Yanjun Li

Om

Background:

Yanjun Li (Born 1970), professor of Physical Meallurgy. He obtained his Ph.D in Materials Science and Engineering (1997). He had worked as Research Metallurgist at Hydro Aluminium (2005-2007), and Senior Research Scientist at Group of Materials Physics, SINTEF M&K (2008-2013) before he joined NTNU as a full professor in 2013. In 2019, he worked as a Visiting Professor at the Department of Materials Science and Engineering, MIT, for 6 month.

Research Fields:

Solidification and casting ;
Homogenization, precipitation strengthening and phase transformation;
SPD and bulk NC/UFG materials;
Structure, segregation and strength of grain boundaries in alloys;
Atomic scale simulation of materials (DFT, KMC and MD);
Microstructure scale simulation models (nulceation and growth of grains during soldification, precipitation of dispersoids and age hardening precipitates);
Advanced materials characterization ( SEM, (S)TEM, APT, EBSD and XRD)

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Administration:

Scientific Director of Norwegian Laboratory of Mineral and Materials Characterization (MiMaC), a large scale national infrastructure funded by the Research Coucil of Norway. A series of state-of-the-art instrument have been invested, including LEAP 5000XS APT, FEG-EPMA, Automated Mineralogy System (AMS) and LA-ICP-MS, which are located at NTNU, NGU and SINTEF.
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Teaching:

TMT4215, Advanced solidificaiton and casting (Autumn semester)
TMT4301, Materials Characterization (Spring semester)

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Publication and citation:

Google Scholar profile: https://scholar.google.no/citations?user=dJgu35wAAAAJ&hl=en

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Present group members

Researcher:

Ph.D students:

Simen Eliassen (Modelling the interaction between dislocations and grain boundaries in Mc-Si)
Hanne Sofie Marie Scisly Søreide (APT characterization of precipitation and phase transformation of metal alloys)
Chunan Li (Atom clustering and precipitaiton behavior of 6xxx aluminium alloys)
Xuezhou Wang (Modelling of precipitation hardening behavior in 6xxx aluminium alloys)

Visiting Ph.D students

Ruojin Zang (precipitation behavior of age hardening preciptations in 6xxx alloys)

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Former group members

Postdoc/Researcher

Aina Opsal Bakke (innovative approach for compound casting of Al/Al and Al/steel)
Min Zha (Development of UFG and nano structured aluminium alloys by SPD)
Shenbao Jin (Grain boundary engineering of Al and Ti alloys by dynamic plastic deformation)
Feng Qian (Influence of impurity elements on preciptiation hardening in 3xxx and 6xxx alloys)
Yuanyun Zhao (Develpment of metallic glass alloys for resonator applications )
Dongdong Zhao (Modeling the precipitation behavior of precipitates from bulk to grain boudnaries in aluminium alloys)
Yijiang Xu (Development of microstructure based electrical conductivity model of 6xxx alloys)
Eva Mørtsell (HRTEM characterization of precipitates, grain boundaries and phase transformaton)

Ph.D students

Dongdong Zhao (DFT simulation on the inpurity segregation at GB in Al and Si alloys), 2017
Yijiang Xu (Experimental and numerical modelling study on the nucleation and grain growth of inoculated aluminium alloys), 2017
Hailong Jia (Engineering grain boudnary structuures of aluminium alloys and titanium by high strain and high strain rate deformation), 2018
Shubo Wang (Phase transformation of metal alloys under Electric current heating effect), 2020
Aina Opsal Bakke (Compound casting between Al and dissimillar metal alloys), 2020
Jiawei Yang (Melt filtration of aluminium alloys under the effect of grain refinement), 2021
Bijin Zhou (CSC Ph.D student, Cross grain boundary deformation transferring behavior of Mg alloys), 2021
Shiwei Pan (CSC Ph.D student, Dispersion hardening of aluminium alloys by Zr-containing dispersoids), 2021
Qingbo Yang (CSC Ph.D student, Precipitation behavior of Al-Cu-Li alloys), 2021

Former visiting researchers:

Bijin Zhou (Shanghai Jiaotong University)
Shiwei Pan (USTB)
Qingbo Yang (Chongqing University)
Dr. Yun Deng (University of Oxford)
Dr. Hanka Becker ( TU Bergakademie Freiberg)
Prof. Xiaosong Jiang (Southwest Jiaotong Unversity)
Prof. Hongliang Zheng (Shandong University)
Prof. Mingxiao Shi (Jiangsu University of Science and Technology)

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Forskning

Advanced and Sustainable Aluminium Alloys for High-Pressure Die Cast Components for e-Mobility (AleMo)

IPN project. 2022-2025, . P.nr. 332147, Tildelt til IMA : 3.5 MNOK. NTNU project leader: Yanjun Li. Resource: 1 researcher.

Publikasjoner

2023

Li, Wenzhe; Qian, Feng; Li, Jinyue; Zhu, Yichao; Liang, Yaojian; Xu, Shun. (2023) Design strategy for eliminating cracking and improving mechanical properties of Al-Mg-Si alloys fabricated by laser melting deposition. Additive Manufacturing
Vitenskapelig artikkel
Qian, Feng; Li, Jinyue; Zhao, Dongdong; Jin, Shenbao; Mørtsell, Eva Anne; Li, Yanjun. (2023) Comparative study of Cd addition effects on precipitation in different aluminium alloys. Materials Science and Technology
Vitenskapelig artikkel
Mao, Hongkui; Lian, Peng; Wei, Qi; Wang, Yu; Xu, Hong; Li, Yanjun. (2023) Effect of scandium on grain refinement mechanism and mechanical properties of Al–7Si–0.6 Mg alloy at different cooling rates. Journal of Materials Research and Technology (JMR&T)
Vitenskapelig artikkel
Pan, Shiwei; Li, Chunan; Qian, Feng; Hao, Longlong; Li, Yanjun. (2023) Diffusion controlled early-stage L1<inf>2</inf>-D0<inf>23</inf> transitions within Al<inf>3</inf>Zr. Scripta Materialia
Vitenskapelig artikkel
Mørtsell, Eva Anne; Zhao, Dongdong; Autruffe, Antoine; Chen, Yimeng; Sabatino, Marisa Di; Li, Yanjun. (2023) The nature of a low angle grain boundary in a Si bi-crystal with added Fe impurities. Acta Materialia
Vitenskapelig artikkel
Xu, Yijiang; Langelandsvik, Geir; Bunaziv, Ivan; Li, Yanjun. (2023) Understanding the inoculation of aluminium grains during welding under the influences of high cooling rate and high temperature gradient. IOP Conference Series: Materials Science and Engineering
Vitenskapelig artikkel
Bugten, Andreas Voll; Michels, L; Brurok, R.B.; Hartung, C.; Ott, E.; Vines, Lasse. (2023) The Role of Boron in Low Copper Spheroidal Graphite Irons. Metallurgical and Materials Transactions A
Vitenskapelig artikkel
Pan, Shiwei; Wang, Zidong; Li, Chunan; Wan, Di; Chen, Xiaohua; Chen, Kaixuan. (2023) Achieving superior dispersion-strengthening effect in an AA5xxx Al-Mg-Mn alloy by mico-alloying. Materials & design
Vitenskapelig artikkel

2016

Casari, Daniele; Mirihanage, Wajira; Falch, Ken Vidar; Ringdalen, Inga Gudem; Friis, Jesper; Schmid-Fetzer, Rainer. (2016) α-Mg primary phase formation and dendritic morphology transition in solidification of a Mg-Nd-Gd-Zn-Zr casting alloy. Acta Materialia
Vitenskapelig artikkel
Jin, Shenbao; Marthinsen, Knut; Li, Yanjun. (2016) Formation of {11-21} twin boundaries in titanium by kinking mechanism through accumulative dislocation slip. Acta Materialia
Vitenskapelig artikkel
Zhao, Dongdong; Løvvik, Ole Martin; Marthinsen, Knut; Li, Yanjun. (2016) Impurity effect of Mg on the generalized planar fault energy of Al. Journal of Materials Science
Vitenskapelig artikkel
Di Giovanni, Giovanni; Cerri, E.; Saito, Takeshi; Akhtar, Shahid; Åsholt, P.; Li, Yanjun. (2016) Effect of copper additions and heat treatment optimization of Al-7% Si Aluminum Alloy. La Metallurgia Italiana
Vitenskapelig artikkel

2015

Zha, Min; Li, Yanjun; Mathiesen, Ragnvald; Bjørge, Ruben; Roven, Hans Jørgen. (2015) High ductility bulk nanostructured Al-Mg binary alloy processed by equal channel angular pressing and inter-pass annealing. Scripta Materialia
Vitenskapelig artikkel
Zha, Min; Li, Yanjun; Mathiesen, Ragnvald; Bjørge, Ruben; Roven, Hans Jørgen. (2015) Microstructure evolution and mechanical behavior of a binary Al-7Mg alloy processed by equal-channel angular pressing. Acta Materialia
Vitenskapelig artikkel
Jin, Shenbao; Zhang, Kai; Bjørge, Ruben; Tao, NR; Marthinsen, Knut; Lu, K. (2015) Formation of incoherent deformation twin boundaries in a coarse-grained Al-7Mg alloy. Applied Physics Letters
Vitenskapelig artikkel

2014

Løvvik, Ole Martin; Sagvolden, Espen; Li, Yanjun. (2014) Prediction of solute diffusivity in Al assisted by first-principles molecular dynamics. Journal of Physics: Condensed Matter
Vitenskapelig artikkel
Zha, Min; Li, Yanjun; Mathiesen, Ragnvald; Roven, Hans Jørgen. (2014) Development and characterization of high solid solution Al-Mg alloys and an immiscible Al-Bi alloy processed by ECAP and annealing. Doktoravhandlinger ved NTNU (2014: 149)
Doktorgradsavhandling
Du, Qiang; Li, Yanjun. (2014) An extension of the Kampmann-Wagner numerical model towards as-cast grain size prediction of multicomponent aluminum alloys. Acta Materialia
Vitenskapelig artikkel
Muggerud, Astrid Marie Flattum; Li, Yanjun; Holmestad, Randi; Andersen, Sigmund Jarle. (2014) Mackay icosahedron explaining orientation relationship of dispersoids in aluminium alloys. Acta Crystallographica Section B: Structural Science
Vitenskapelig artikkel

2013

Wang, Ning; Marthinsen, Knut; Li, Yanjun; Holmedal, Bjørn; Engler, Olaf. (2013) Softening behaviour of Al-Mn-Fe-Si alloys during isothermal annealing. Doktoravhandlinger ved NTNU (358)
Doktorgradsavhandling
Zhao, Qinglong; Holmedal, Bjørn; Marthinsen, Knut; Li, Yanjun. (2013) The influence of Mn, Fe and Si on the work hardening of aluminium alloys. Doktoravhandlinger ved NTNU (16)
Doktorgradsavhandling
Zhao, Qinglong; Holmedal, Bjørn; Li, Yanjun. (2013) Influence of dispersoids on microstructure evolution and work hardening of aluminium alloys during tension and cold rolling. Philosophical Magazine
Vitenskapelig artikkel
Muggerud, Astrid Marie F; Mørtsell, Eva Anne; Li, Yanjun; Holmestad, Randi. (2013) Dispersoid strengthening in AA3xxx alloys with varying Mn and Si content during annealing at low temperatures,. Materials Science & Engineering: A
Vitenskapelig artikkel

2012

Li, Yanjun; Muggerud, Astrid Marie F; Furu, Trond; Olsen, Arne. (2012) Precipitation of partially coherent alpha-Al(Mn,Fe)Si dispersoids and their strengthening effect in AA 3003 alloy. Acta Materialia
Vitenskapelig artikkel
Li, Yanjun; Zhang, WZ; Marthinsen, Knut. (2012) Precipitation crystallography of plate-shaped Al-6(Mn,Fe) dispersoids in AA5182 alloy. Acta Materialia
Vitenskapelig artikkel

2011

Mathiesen, Ragnvald; Arnberg, Lars; Li, Yanjun; Meier, Vivienne; Schaffer, Paul; Snigireva, Irina. (2011) X-Ray Videomicroscopy Studies of Eutectic Al-Si Solidification in Al-Si-Cu. Metallurgical and Materials Transactions A
Vitenskapelig artikkel
Chen, Yongjun; Li, Yanjun; Walmsley, John; Dumoulin, Stephane; Subbarayan, Sapthagireesh; Armada Nieto, Sergio. (2011) Quantitative analysis of grain refinement in titanium during equal channel angular pressing. Scripta Materialia
Vitenskapelig artikkel

2010

Li, Yanjun; Chen, Yongjun; Walmsley, John; Dumoulin, Stephane; Mathiesen, Ragnvald; Roven, Hans Jørgen. (2010) Faceted interfacial structure of {1011} twins in Ti formed during equal channel angular pressing. Scripta Materialia
Vitenskapelig artikkel

2006

Li, Yanjun; Brusethaug, S; Olsen, Arne. (2006) Influence of Cu on the mechanical properties and precipitation behavior of AlSi7Mg0.5 alloy during aging treatment. Scripta Materialia
Vitenskapelig artikkel

2004

Li, Yanjun; Arnberg, Lars. (2004) A eutectoid phase transformation for the primary intermetallic particle from Alm(Fe,Mn) to Al3(Fe,Mn)in AA5182 alloy. Acta Materialia
Vitenskapelig artikkel
Li, Yanjun; Arnberg, Lars. (2004) Solidification structures and phase selection of iron-bearing eutectic particles in a DC-cast AA5182 alloy. Acta Materialia
Vitenskapelig artikkel
Heng, Chenglin; Finstad, Terje; Storås, Preben; Li, Yanjun; Gunnæs, Anette Eleonora; Nilsen, Ola. (2004) The 1.54 µm photoluminescence from an (Er,Ge) co-doped SiO2 film deposited on Si by rf magnettron sputtering. Applied Physics Letters
Vitenskapelig artikkel

2003

Li, Yanjun; Arnberg, Lars. (2003) Quantitative study in the precipitation behavior of dispersoids in DC-cast AA3003 alloy during heating and homogenization. Acta Materialia
Vitenskapelig artikkel
Li, Yanjun; Arnberg, Lars. (2003) Evolution of eutectic intermetallic particles in DC-cast AA3003 alloy during heating and homogenization. Materials Science and Engineering
Vitenskapelig artikkel

Tidsskriftspublikasjoner

Li, Wenzhe; Qian, Feng; Li, Jinyue; Zhu, Yichao; Liang, Yaojian; Xu, Shun. (2023) Design strategy for eliminating cracking and improving mechanical properties of Al-Mg-Si alloys fabricated by laser melting deposition. Additive Manufacturing
Vitenskapelig artikkel
Qian, Feng; Li, Jinyue; Zhao, Dongdong; Jin, Shenbao; Mørtsell, Eva Anne; Li, Yanjun. (2023) Comparative study of Cd addition effects on precipitation in different aluminium alloys. Materials Science and Technology
Vitenskapelig artikkel
Mao, Hongkui; Lian, Peng; Wei, Qi; Wang, Yu; Xu, Hong; Li, Yanjun. (2023) Effect of scandium on grain refinement mechanism and mechanical properties of Al–7Si–0.6 Mg alloy at different cooling rates. Journal of Materials Research and Technology (JMR&T)
Vitenskapelig artikkel
Pan, Shiwei; Li, Chunan; Qian, Feng; Hao, Longlong; Li, Yanjun. (2023) Diffusion controlled early-stage L1<inf>2</inf>-D0<inf>23</inf> transitions within Al<inf>3</inf>Zr. Scripta Materialia
Vitenskapelig artikkel
Mørtsell, Eva Anne; Zhao, Dongdong; Autruffe, Antoine; Chen, Yimeng; Sabatino, Marisa Di; Li, Yanjun. (2023) The nature of a low angle grain boundary in a Si bi-crystal with added Fe impurities. Acta Materialia
Vitenskapelig artikkel
Xu, Yijiang; Langelandsvik, Geir; Bunaziv, Ivan; Li, Yanjun. (2023) Understanding the inoculation of aluminium grains during welding under the influences of high cooling rate and high temperature gradient. IOP Conference Series: Materials Science and Engineering
Vitenskapelig artikkel
Bugten, Andreas Voll; Michels, L; Brurok, R.B.; Hartung, C.; Ott, E.; Vines, Lasse. (2023) The Role of Boron in Low Copper Spheroidal Graphite Irons. Metallurgical and Materials Transactions A
Vitenskapelig artikkel
Pan, Shiwei; Wang, Zidong; Li, Chunan; Wan, Di; Chen, Xiaohua; Chen, Kaixuan. (2023) Achieving superior dispersion-strengthening effect in an AA5xxx Al-Mg-Mn alloy by mico-alloying. Materials & design
Vitenskapelig artikkel
Hell, Christoph Martin; Søreide, Hanne-Sofie Marie Scisly; Bjørge, Ruben; Marioara, Calin Daniel; Li, Yanjun; Holmestad, Randi. (2022) Influence of natural aging and ramping before artificial aging on the microstructure of two different 6xxx alloys. Journal of Materials Research and Technology (JMR&T)
Vitenskapelig artikkel
Wang, Leyun; Song, Zhe; Zhang, Xuan; Park, Jun-Sang; Almer, Jonathan; Zhu, Gaoming. (2022) Developing ductile and isotropic Ti alloy with tailored composition for laser powder bed fusion. Additive Manufacturing
Vitenskapelig artikkel
Wu, Shenghua; Søreide, Hanne-Sofie; Chen, Bin; Bian, Jianjun; Yang, Chong; Li, Chunan. (2022) Freezing solute atoms in nanograined aluminum alloys via high-density vacancies. Nature Communications
Vitenskapelig artikkel
Zang, Ruojin; Ning, Yaru; Ding, Lipeng; Jia, Zhihong; Xiang, Kaiyun; Liu, Qing. (2022) Study on properties and precipitation behavior of 6000 series alloys with high Mg/Si ratios and Cu contents. Materials Characterization
Vitenskapelig artikkel
Jin, Shenbao; Su, Haokai; Qian, Feng; Li, Yanjun; Sha, Gang. (2022) Effects of atom probe analysis parameters on composition measurement of precipitates in an Al-Mg-Si-Cu alloy. Ultramicroscopy
Vitenskapelig artikkel
Ma, Ning; Zhao, Dongdong; Shi, Chunsheng; He, Chunnian; Liu, Enzuo; Sha, Junwei. (2022) Unraveling the enhanced stability and strength of Al Σ9 (221)[ 1 1 ¯ 0 ] symmetric tilt grain boundary with Mg segregation. Journal of Materials Science
Vitenskapelig artikkel
Liu, Siqi; Wan, Di; Peng, Ding; Lu, Xu; Ren, Xiaobo; Fu, Yuequn. (2022) Effect of heat input on nanomechanical properties of wire-arc additive manufactured Al 4047 alloys. Materials Science & Engineering: A
Vitenskapelig artikkel
Zhou, Bijin; Li, Yanjun; Wang, Leyun; Jia, Hailong; Zeng, Xiaoqin. (2022) The role of grain boundary plane in slip transfer during deformation of magnesium alloys. Acta Materialia
Vitenskapelig artikkel
Yang, Jiawei; Xu, Yijiang; Bao, Sarina; Akhtar, Shahid; Tundal, Ulf; Tjøtta, Stig. (2022) Effect of Inclusion and Filtration on Grain Refinement Efficiency of Aluminum Alloy. Metallurgical and Materials Transactions A
Vitenskapelig artikkel
Zhou, Bijin; Wang, Leyun; Wang, Jinhui; Maldar, Alireza; Zhu, Gaoming; Jia, Hailong. (2022) Dislocation behavior in a polycrystalline Mg-Y alloy using multi-scale characterization and VPSC simulation. Journal of Materials Science & Technology
Vitenskapelig artikkel
Chen, Jinmei; Jiang, Xiaosong; Lyu, Lan; Li, Yanjun; Skaret, Pål Christian; Sun, Hongliang. (2021) Microstructure and properties of nano-C and in-situ Al2O3 reinforced aluminum matrix composites processed by high-pressure torsion. Composite interfaces (Print)
Vitenskapelig artikkel
Zha, Min; Zhang, Hong-Min; Meng, Xiang-Tao; Jia, Hailong; Jin, Shen-Bao; Sha, Gang. (2021) Stabilizing a severely deformed Al–7Mg alloy with a multimodal grain structure via Mg solute segregation. Journal of Materials Science & Technology
Vitenskapelig artikkel
Pan, Shiwei; Qian, Feng; Li, Chunan; Wang, Zidong; Li, Yanjun. (2021) Synergistic strengthening by nano-sized α-Al (Mn, Fe) Si and Al3Zr dispersoids in a heat-resistant Al–Mn–Fe–Si–Zr alloy. Materials Science & Engineering: A
Vitenskapelig artikkel
Wu, Shenghua; Xue, H.; Yang, C.; Kuang, J.; Zhang, P.; Zhang, J. Y.. (2021) Hierarchical structure in Al-Cu alloys to promote strength/ductility synergy. Scripta Materialia
Vitenskapelig artikkel
Qian, Feng; Jin, Shenbao; Wan, Di; Li, Wenzhe; Cheng, X; Sha, Gang. (2021) Synergistic effects of Cd, Si and Cr additions on precipitation strengthening and thermal stability of dispersoids in AA3003 alloy. Materials Science & Engineering: A
Vitenskapelig artikkel
Xu, Yijiang; Deng, Yun; Casari, Daniele; Mathiesen, Ragnvald; Liu, Xiangfa; Li, Yanjun. (2021) Growth kinetics of primary Si particles in hypereutectic Al-Si alloys under the influence of P inoculation: Experiments and modelling. Journal of Alloys and Compounds
Vitenskapelig artikkel
Yang, Jiawei; Bao, Sarina; Akhtar, Shahid; Li, Yanjun. (2021) The Interactions Between Oxide Film Inclusions and Inoculation Particles TiB2 in Aluminum Melt. Metallurgical and Materials Transactions B
Vitenskapelig artikkel
Yang, Jiawei; Bao, Sarina; Akhtar, Shahid; Tundal, Ulf; Tjøtta, Stig; Li, Yanjun. (2021) The Influences of Grain Refiner, Inclusion Level, and Filter Grade on the Filtration Performance of Aluminum Melt. Metallurgical and Materials Transactions B
Vitenskapelig artikkel
Bakke, Aina Opsal; Arnberg, Lars; Li, Yanjun. (2021) Achieving high-strength metallurgical bonding between A356 aluminum and copper through compound casting. Materials Science & Engineering: A
Vitenskapelig artikkel
Chen, Jinmei; Jiang, Xiaosong; Lyu, Lan; Li, Yanjun; Skaret, Pål Christian; Sun, Hongliang. (2021) Microstructures and mechanical properties of nano-C and in situ Al2O3 reinforced aluminium matrix composites processed by equal-channel angular pressing. Journal of Alloys and Compounds
Vitenskapelig artikkel
Bakke, Aina Opsal; Nordmark, Arne; Arnberg, Lars; Li, Yanjun. (2021) Sn-Aided Joining of Cast Aluminum and Steel Through a Compound Casting Process. Metallurgical and Materials Transactions B
Vitenskapelig artikkel
Zhao, Yuan-Yun; Qian, Feng; Shen, Wenfeng; Zhao, Chengliang; Wang, Jianguo; Xie, Chunxiao. (2021) Facile synthesis of metal and alloy nanoparticles by ultrasound-assisted dealloying of metallic glasses. Journal of Materials Science & Technology
Vitenskapelig artikkel
Zha, Min; Zhang, Hongmin; Jia, Hailong; Gao, Yipeng; Jin, Shenbao; Sha, Gang. (2021) Prominent role of multi-scale microstructural heterogeneities on superplastic deformation of a high solid solution Al–7Mg alloy. International journal of plasticity
Vitenskapelig artikkel
Zhao, Yuan-Yun; Qian, Feng; Zhao, Chengliang; Xie, Chunxiao; Wang, Jianguo; Chang, Chuntao. (2020) Facile fabrication of ultrathin freestanding nanoporous Cu and Cu-Ag films with high SERS sensitivity by dealloying Mg-Cu(Ag)-Gd metallic glasses. Journal of Materials Science & Technology
Vitenskapelig artikkel
Qian, Feng; Zhao, Dongdong; Mørtsell, Eva Anne; Jin, Shenbao; Wang, Junsheng; Marioara, Calin Daniel. (2020) Enhanced nucleation and precipitation hardening in Al-Mg-Si(-Cu) alloys with minor Cd additions. Materials Science & Engineering: A
Vitenskapelig artikkel
Zhao, Dongdong; Xu, Yijiang; Gouttebroze, Sylvain; Friis, Jesper; Li, Yanjun. (2020) Modelling the Age-Hardening Precipitation by a Revised Langer and Schwartz Approach with Log-Normal Size Distribution. Metallurgical and Materials Transactions A
Vitenskapelig artikkel
Bakke, Aina Opsal; Arnberg, Lars; Løland, Jan-Ove; Jørgensen, Svein; Kvinge, Jan; Li, Yanjun. (2020) Formation and evolution of the interfacial structure in Al/steel compound castings during solidification and heat treatment. Journal of Alloys and Compounds
Vitenskapelig artikkel
Xu, Yijiang; Deng, Yun; Casari, Daniele; Mathiesen, Ragnvald; Liu, Xiangfa; Li, Yanjun. (2020) Revealing the nucleation kinetics of primary Si particles in hypereutectic Al-Si alloys under the influence of P inoculation. Journal of Materials Science
Vitenskapelig artikkel
Zhou, Bijin; Wang, Leyun; Liu, Wenjun; Zeng, Xiaoqin; Li, Yanjun. (2020) Revealing the Subsurface Basal <a> Dislocation Activity in Magnesium Through Lattice Rotation Analysis. Metallurgical and Materials Transactions A
Vitenskapelig artikkel
Zhao, Jian; Shi, Mingxiao; Li, Yanjun; Ma, Xiang; Zhenxing, Fan; Yan, Hua. (2020) Laser welding of niobium to AISI 304 steel using a copper interlayer. Journal of Adhesion Science and Technology
Vitenskapelig artikkel
Yang, Jiawei; Bao, Sarina; Akhtar, Shahid; Shen, Ping; Li, Yanjun. (2020) Influence of grain refiners on the wettability of Al2O3 substrate by aluminum melt. Metallurgical and Materials Transactions B
Vitenskapelig artikkel
Bakke, Aina Opsal; Løland, Jan-Ove; Jørgensen, Svein; Kvinge, Jan; Arnberg, Lars; Li, Yanjun. (2020) Interfacial Microstructure Formation in Al7SiMg/Cu Compound Castings. International Journal of metalcasting
Vitenskapelig artikkel
Yang, Chenglin; Zhao, Qinglong; Zhang, Zhenjun; Li, Linlin; Tian, Weisi; Liu, Rui. (2020) Nanoparticle additions promote outstanding fracture toughness and fatigue strength in a cast Al–Cu alloy. Materials & design
Vitenskapelig artikkel
Xu, Yijiang; Deng, Yun; Casari, Daniele; Mathiesen, Ragnvald; Li, Yanjun. (2020) In-situ X-radiographic study of nucleation and growth behaviour of primary silicon particles during solidification of a hypereutectic Al-Si alloy. Journal of Alloys and Compounds
Vitenskapelig artikkel
Zhou, Bijin; Wang, Leyun; Jin, Peipeng; Jia, Hailong; Roven, Hans Jørgen; Zeng, Xiaoqin. (2020) Revealing slip-induced extension twinning behaviors dominated by micro deformation in a magnesium alloy. International journal of plasticity
Vitenskapelig artikkel
Wang, Shubo; Jia, Hailong; Li, Yanjun. (2019) Accelerated recrystallization by electric current flash heating in cold-rolled Al-5Cu alloy under the influence of concurrent precipitation. Journal of Alloys and Compounds
Vitenskapelig artikkel
Weng, Yaoyao; Ding, Lipeng; Zhang, Zezhong; Jia, Zhihong; Wen, Boyang; Liu, Yingying. (2019) Effect of Ag addition on the precipitation evolution and interfacial segregation for Al?Mg?Si alloy. Acta Materialia
Vitenskapelig artikkel
Mørtsell, Eva Anne; Qian, Feng; Marioara, Calin Daniel; Li, Yanjun. (2019) Precipitation in an A356 foundry alloy with Cu additions - A transmission electron microscopy study. Journal of Alloys and Compounds
Vitenskapelig artikkel
Jia, Hailong; Li, Yanjun. (2019) Texture evolution of an Al-8Zn alloy during ECAP and post-ECAP isothermal annealing. Materials Characterization
Vitenskapelig artikkel
Mirihanage, Wajira; Falch, Ken Vidar; Casari, Daniele; McFadden, Shaun; Browne, David J.; Snigireva, I.. (2019) Non-steady 3D dendrite tip growth under diffusive and weakly convective conditions. Materialia
Vitenskapelig artikkel
Zhao, Zhanyong; Bai, Peikang; Misra, RDK; Dong, Mengyao; Guan, Renguo; Li, Yanjun. (2019) AlSi10Mg alloy nanocomposites reinforced with aluminum-coated graphene: Selective laser melting, interfacial microstructure and property analysis. Journal of Alloys and Compounds
Vitenskapelig artikkel
Di Giovanni, Maria Teresa; Mørtsell, Eva Anne; Saito, Takeshi; Akhtar, Shahid; Di Sabatino Lundberg, Marisa; Li, Yanjun. (2019) Influence of Cu addition on the heat treatment response of A356 foundry alloy. Materials Today Communications
Vitenskapelig artikkel
Shi, Mingxiao; Li, Yanjun; Ma, Xiang. (2019) Cu Interlayer-Induced High-Strength Laser-Welded AISI 304 Steel-Niobium Joint. Journal of materials engineering and performance (Print)
Vitenskapelig artikkel
Zhao, Dongdong; Li, Yanjun. (2019) Revealing the factors influencing grain boundary segregation of P, As in Si: Insights from first-principles. Acta Materialia
Vitenskapelig artikkel
Bakke, Aina Opsal; Arnberg, Lars; Li, Yanjun. (2019) Microstructure in A356/AA6xxx after bimetallic casting with flux coating. IOP Conference Series: Materials Science and Engineering
Vitenskapelig artikkel
Eliassen, Simen Nut Hansen; Friis, Jesper; Ringdalen, Inga Gudem; Mousseau, Normand; Trochet, Mickaël; Li, Yanjun. (2019) Atomistic approach to simulate kink migration and kink-pair formation in silicon: The kinetic activation-relaxation technique. Physical review B (PRB)
Vitenskapelig artikkel
Jia, Hailong; Marthinsen, Knut; Li, Yanjun. (2019) Revealing abnormal {11-21} twins in commercial purity Ti subjected to split Hopkinson pressure bar. Journal of Alloys and Compounds
Vitenskapelig artikkel
Becker, Hanka; Bergh, Tina; Vullum, Per Erik; Leineweber, Andreas; Li, Yanjun. (2019) β- and δ-Al-Fe-Si intermetallic phase, their intergrowth and polytype formation. Journal of Alloys and Compounds
Vitenskapelig artikkel
Becker, Hanka; Bergh, Tina; Vullum, Per Erik; Leineweber, Andreas; Li, Yanjun. (2019) Effect of Mn and cooling rates on α-, β- and δ-Al–Fe–Si intermetallic phase formation in a secondary Al–Si alloy. Materialia
Vitenskapelig artikkel
Zhao, Dongdong; Li, Yanjun. (2018) Carbon segregation at Σ3 {1 1 2} grain boundaries in silicon. Computational Materials Science
Vitenskapelig artikkel
Zhao, Dongdong; Løvvik, Ole Martin; Marthinsen, Knut; Li, Yanjun. (2018) Segregation of Mg, Cu and their effects on the strength of Al Σ5 (210)[001] symmetrical tilt grain boundary. Acta Materialia
Vitenskapelig artikkel
Tang, Kai; Du, Qiang; Li, Yanjun. (2018) Modelling microstructure evolution during casting, homogenization and ageing heat treatment of Al-Mg-Si-Cu-Fe-Mn alloys. Calphad
Vitenskapelig artikkel
Jiang, Xiaosong; liu, Wanxia; Li, Yanjun; Shao, Zhenyi; luo, Zhiping; zhu, Degui. (2018) Microstructures and mechanical properties of Cu/Ti3SiC2/C/graphene nanocomposites prepared by vacuum hot-pressing sintering and hot isostatic pressing. Composites Part B: Engineering
Vitenskapelig artikkel
Jia, Hailong; Bjørge, Ruben; Cao, Lingfei; Hui, Song; Marthinsen, Knut; Li, Yanjun. (2018) Quantifying the grain boundary segregation strengthening induced by post-ECAP aging in an Al-5Cu alloy. Acta Materialia
Vitenskapelig artikkel
Zha, Min; Yu, Zhi-Yuan; Qian, Feng; Wang, Huiyuan; Li, Yanjun; Mathiesen, Ragnvald. (2018) Achieving dispersed fine soft Bi particles and grain refinement in a hypermonotectic Al–Bi alloy by severe plastic deformation and annealing. Scripta Materialia
Vitenskapelig artikkel
Qian, Feng; Jin, Shenbao; Sha, Gang; Li, Yanjun. (2018) Enhanced dispersoid precipitation and dispersion strengthening in an Al alloy by microalloying with Cd. Acta Materialia
Vitenskapelig artikkel
Qian, Feng; Mørtsell, Eva Anne; Marioara, Calin Daniel; Andersen, Sigmund Jarle; Li, Yanjun. (2018) Improving ageing kinetics and precipitation hardening in an Al-Mg-Si alloy by minor Cd addition. Materialia
Vitenskapelig artikkel
Xu, Yijiang; Zhao, Dongdong; Li, Yanjun. (2018) A Thermodynamic Study on the Effect of Solute on the Nucleation Driving Force, Solid?Liquid Interfacial Energy, and Grain Refinement of Al Alloys. Metallurgical and Materials Transactions A
Vitenskapelig artikkel
Xu, Yijiang; Casari, Daniele; Mathiesen, Ragnvald; Li, Yanjun. (2018) Revealing the heterogeneous nucleation behavior of equiaxed grains of inoculated Al alloys during directional solidification. Acta Materialia
Vitenskapelig artikkel
Løvvik, Ole Martin; Zhao, Dongdong; Li, Yanjun; Bredesen, Rune; Peters, Thijs. (2018) Grain boundary segregation in Pd-Cu-Ag alloys for high permeability hydrogen separation membranes. Membranes
Vitenskapelig artikkel
Jia, Hailong; Bjørge, Ruben; Marthinsen, Knut; Li, Yanjun. (2017) The deformation and work hardening behaviour of a SPD processed Al-5Cu alloy. Journal of Alloys and Compounds
Vitenskapelig artikkel
Xu, Yijiang; Casari, Daniele; Du, Qiang; Mathiesen, Ragnvald; Arnberg, Lars; Li, Yanjun. (2017) Heterogeneous nucleation and grain growth of inoculated aluminium alloys: An integrated study by in-situ X-radiography and numerical modelling. Acta Materialia
Vitenskapelig artikkel
Zhao, Dongdong; Li, Yanjun. (2017) Lattice distortion induced site dependent carbon gettering at twin boundaries in silicon. Journal of Alloys and Compounds
Vitenskapelig artikkel
Zhao, Dongdong; Løvvik, Ole Martin; Marthinsen, Knut; Li, Yanjun. (2017) Combined effect of Mg and vacancy on the generalized planar fault energy of Al. Journal of Alloys and Compounds
Vitenskapelig artikkel
Casari, Daniele; Mirihanage, Wajira; Falch, Ken Vidar; Ringdalen, Inga Gudem; Friis, Jesper; Schmid-Fetzer, Rainer. (2016) α-Mg primary phase formation and dendritic morphology transition in solidification of a Mg-Nd-Gd-Zn-Zr casting alloy. Acta Materialia
Vitenskapelig artikkel
Jin, Shenbao; Marthinsen, Knut; Li, Yanjun. (2016) Formation of {11-21} twin boundaries in titanium by kinking mechanism through accumulative dislocation slip. Acta Materialia
Vitenskapelig artikkel
Zhao, Dongdong; Løvvik, Ole Martin; Marthinsen, Knut; Li, Yanjun. (2016) Impurity effect of Mg on the generalized planar fault energy of Al. Journal of Materials Science
Vitenskapelig artikkel
Di Giovanni, Giovanni; Cerri, E.; Saito, Takeshi; Akhtar, Shahid; Åsholt, P.; Li, Yanjun. (2016) Effect of copper additions and heat treatment optimization of Al-7% Si Aluminum Alloy. La Metallurgia Italiana
Vitenskapelig artikkel
Zha, Min; Li, Yanjun; Mathiesen, Ragnvald; Bjørge, Ruben; Roven, Hans Jørgen. (2015) High ductility bulk nanostructured Al-Mg binary alloy processed by equal channel angular pressing and inter-pass annealing. Scripta Materialia
Vitenskapelig artikkel
Zha, Min; Li, Yanjun; Mathiesen, Ragnvald; Bjørge, Ruben; Roven, Hans Jørgen. (2015) Microstructure evolution and mechanical behavior of a binary Al-7Mg alloy processed by equal-channel angular pressing. Acta Materialia
Vitenskapelig artikkel
Jin, Shenbao; Zhang, Kai; Bjørge, Ruben; Tao, NR; Marthinsen, Knut; Lu, K. (2015) Formation of incoherent deformation twin boundaries in a coarse-grained Al-7Mg alloy. Applied Physics Letters
Vitenskapelig artikkel
Løvvik, Ole Martin; Sagvolden, Espen; Li, Yanjun. (2014) Prediction of solute diffusivity in Al assisted by first-principles molecular dynamics. Journal of Physics: Condensed Matter
Vitenskapelig artikkel
Du, Qiang; Li, Yanjun. (2014) An extension of the Kampmann-Wagner numerical model towards as-cast grain size prediction of multicomponent aluminum alloys. Acta Materialia
Vitenskapelig artikkel
Muggerud, Astrid Marie Flattum; Li, Yanjun; Holmestad, Randi; Andersen, Sigmund Jarle. (2014) Mackay icosahedron explaining orientation relationship of dispersoids in aluminium alloys. Acta Crystallographica Section B: Structural Science
Vitenskapelig artikkel
Zhao, Qinglong; Holmedal, Bjørn; Li, Yanjun. (2013) Influence of dispersoids on microstructure evolution and work hardening of aluminium alloys during tension and cold rolling. Philosophical Magazine
Vitenskapelig artikkel
Muggerud, Astrid Marie F; Mørtsell, Eva Anne; Li, Yanjun; Holmestad, Randi. (2013) Dispersoid strengthening in AA3xxx alloys with varying Mn and Si content during annealing at low temperatures,. Materials Science & Engineering: A
Vitenskapelig artikkel
Li, Yanjun; Muggerud, Astrid Marie F; Furu, Trond; Olsen, Arne. (2012) Precipitation of partially coherent alpha-Al(Mn,Fe)Si dispersoids and their strengthening effect in AA 3003 alloy. Acta Materialia
Vitenskapelig artikkel
Li, Yanjun; Zhang, WZ; Marthinsen, Knut. (2012) Precipitation crystallography of plate-shaped Al-6(Mn,Fe) dispersoids in AA5182 alloy. Acta Materialia
Vitenskapelig artikkel
Mathiesen, Ragnvald; Arnberg, Lars; Li, Yanjun; Meier, Vivienne; Schaffer, Paul; Snigireva, Irina. (2011) X-Ray Videomicroscopy Studies of Eutectic Al-Si Solidification in Al-Si-Cu. Metallurgical and Materials Transactions A
Vitenskapelig artikkel
Chen, Yongjun; Li, Yanjun; Walmsley, John; Dumoulin, Stephane; Subbarayan, Sapthagireesh; Armada Nieto, Sergio. (2011) Quantitative analysis of grain refinement in titanium during equal channel angular pressing. Scripta Materialia
Vitenskapelig artikkel
Li, Yanjun; Chen, Yongjun; Walmsley, John; Dumoulin, Stephane; Mathiesen, Ragnvald; Roven, Hans Jørgen. (2010) Faceted interfacial structure of {1011} twins in Ti formed during equal channel angular pressing. Scripta Materialia
Vitenskapelig artikkel
Li, Yanjun; Brusethaug, S; Olsen, Arne. (2006) Influence of Cu on the mechanical properties and precipitation behavior of AlSi7Mg0.5 alloy during aging treatment. Scripta Materialia
Vitenskapelig artikkel
Li, Yanjun; Arnberg, Lars. (2004) A eutectoid phase transformation for the primary intermetallic particle from Alm(Fe,Mn) to Al3(Fe,Mn)in AA5182 alloy. Acta Materialia
Vitenskapelig artikkel
Li, Yanjun; Arnberg, Lars. (2004) Solidification structures and phase selection of iron-bearing eutectic particles in a DC-cast AA5182 alloy. Acta Materialia
Vitenskapelig artikkel
Heng, Chenglin; Finstad, Terje; Storås, Preben; Li, Yanjun; Gunnæs, Anette Eleonora; Nilsen, Ola. (2004) The 1.54 µm photoluminescence from an (Er,Ge) co-doped SiO2 film deposited on Si by rf magnettron sputtering. Applied Physics Letters
Vitenskapelig artikkel
Li, Yanjun; Arnberg, Lars. (2003) Quantitative study in the precipitation behavior of dispersoids in DC-cast AA3003 alloy during heating and homogenization. Acta Materialia
Vitenskapelig artikkel
Li, Yanjun; Arnberg, Lars. (2003) Evolution of eutectic intermetallic particles in DC-cast AA3003 alloy during heating and homogenization. Materials Science and Engineering
Vitenskapelig artikkel

Rapport

Zha, Min; Li, Yanjun; Mathiesen, Ragnvald; Roven, Hans Jørgen. (2014) Development and characterization of high solid solution Al-Mg alloys and an immiscible Al-Bi alloy processed by ECAP and annealing. Doktoravhandlinger ved NTNU (2014: 149)
Doktorgradsavhandling
Wang, Ning; Marthinsen, Knut; Li, Yanjun; Holmedal, Bjørn; Engler, Olaf. (2013) Softening behaviour of Al-Mn-Fe-Si alloys during isothermal annealing. Doktoravhandlinger ved NTNU (358)
Doktorgradsavhandling
Zhao, Qinglong; Holmedal, Bjørn; Marthinsen, Knut; Li, Yanjun. (2013) The influence of Mn, Fe and Si on the work hardening of aluminium alloys. Doktoravhandlinger ved NTNU (16)
Doktorgradsavhandling

Undervisning

Emner

Formidling

2022

Vitenskapelig foredrag

Li, Yanjun. (2022) Grain refinement and grain size prediction during solidification of metal alloys. Universidade NOVA de Lisboa Summer School of Wire Arc Additive Manufacturing , Lisbon 2022-10-13 - 2022-10-18
Vitenskapelig foredrag

Li, Yanjun; Wang, Shubo; Mathiesen, Ragnvald. (2022) Electric current flash heating (ECFH) induced abnormal nucleation and grain growth behavior during recrystallization of deformed aluminium alloys. The 8th International Conference on Solid -Solid Phase Transformations in Inorganic Materials , Xi'an 2022-06-27 - 2022-07-01
Vitenskapelig foredrag

Bugten, Andreas Voll; Di Sabatino Lundberg, Marisa; Li, Yanjun; Arnberg, Lars; Michels Brito Miranda, Leander Edward. (2022) The Role of Boron in Low Copper Spheroidal Graphite Irons. SFI PhysMet SFI PhysMet consortium meeting November 2022 , Raufoss Næringspark ANS 2022-11-09 - 2022-11-10
Vitenskapelig foredrag

Bugten, Andreas Voll; Di Sabatino Lundberg, Marisa; Li, Yanjun; Arnberg, Lars; Michels Brito Miranda, Leander Edward. (2022) On the Effects of Boron in Ductile Cast iron. SFI PhysMet SFI PhysMet consortium meeting May 2022 , Trondheim 2022-05-31 - 2022-06-01
Vitenskapelig foredrag

Li, Yanjun; Bakke, Aina Opsal. (2022) Achieving strong interface metallic bonding in Al/steel and Al/Cu compound castings . Chongqing University 6th International Symposium on advanced structural materials , Chongqing 2022-11-05 - 2022-11-06

2021

Vitenskapelig foredrag

Bugten, Andreas Voll; Di Sabatino Lundberg, Marisa; Li, Yanjun; Arnberg, Lars; Michels Brito Miranda, Leander Edward. (2021) The Effect of Trace Elements on the Microstructure and Properties of Ductile Cast Iron. SFI PhysMet SFI PhysMet consortium meeting October 2021 , Trondheim 2021-10-26 - 2021-10-27

2020

Vitenskapelig foredrag

Tang, Kai; Du, Qiang; Wang, Zhaohui; Li, Yanjun; Marthinsen, Knut; Marioara, Calin Daniel. (2020) Modelling the Cu-containing Metastable Phases in the Al-Mg-Si System. 17th International Conference on Aluminium Alloys , Virtual Conference 2020-10-26 - 2020-10-29
Vitenskapelig foredrag

Drivenes, Kristian; Hagen-Peter, Graham; Lebed, Pablo; Li, Yanjun; Mårdalen, Jostein; Schiellerup, Henrik. (2020) Norwegian Laboratory for Mineral and Materials Characterization (MiMaC) – A new microanalytical facility in Trondheim. Norsk Geologisk Forening Nordic Geological Winter Meeting , Oslo 2020-01-07 - 2020-01-10

2019

Vitenskapelig foredrag

Eliassen, Simen Nut Hansen; Friis, Jesper; Ringdalen, Inga Gudem; Li, Yanjun. (2019) Atomic simulations of dislocation interactions with coincidence site lattice boundaries in silicon. Technion, Israel Institute of Technology Dislocations , Haifa 2019-09-15 - 2019-09-20
Vitenskapelig foredrag

Yang, JiaWei; Bao, Sarina; Akhtar, Shahid; Li, Yanjun. (2019) Research of controllable inclusion addition methods in Al melt. TMS 2019 Annual meeting and Exhibition , San antonio 2019-03-10 - 2019-03-14
Vitenskapelig foredrag

Zhao, Dongdong; Gouttebroze, Sylvain; Friis, Jesper; Li, Yanjun. (2019) Modelling of Grain Boundary Segregation and Bulk Precipitation in Multi-component Al Alloys Subjected to Heat Treatment. TMS 2019 Annual Meeting & Exhibition , San Antonio 2019-03-10 - 2019-03-14

2018

Vitenskapelig foredrag

Mørtsell, Eva Anne; Paulsen, Øyvind; Marioara, Calin Daniel; Andersen, Sigmund Jarle; Reiso, Oddvin; Røyset, Jostein. (2018) PRECIPITATION HARDENING OPTIMIZATION BY PARTIAL SUBSTITUTION OF Si AND Mg WITH Ge AND Li IN LEAN 6XXX ALLOYS . MetSoc ICAA16 , Montreal 2018-06-17 - 2018-06-21
Vitenskapelig foredrag

Jia, Hailong; Marthinsen, Knut; Li, Yanjun; Bjørge, Ruben. (2018) Deformation and aging behavior of an SPD processed Al5%Cu alloy, -and associated strengthening mechanisms. University of Toyama CAMRIC Forum-4 , Toyama 2018-10-31 - 2018-11-03
Vitenskapelig foredrag

Xu, Yijiang; Zhao, Dongdong; Li, Yanjun. (2018) Modeling the microstructure and electrical conductivity evolution during aging of Al-Mg-Si alloys. Osaka University The 9th International Conference on Multiscale Materials Modeling (MMM2018) , Osaka 2018-10-28 - 2018-11-02
Vitenskapelig foredrag

Wang, Shubo; Jia, Hailong; Rostad, Kjetil Steen; Li, Yanjun. (2018) Effect of Electricity Current on the Recrystallization Behavior of Cold Rolled Al-5Cu under Concurrent Precipitation. The 16th International Conference on Aluminium Alloys , Montreal 2018-06-17 - 2018-06-21
Vitenskapelig foredrag

Eliassen, Simen Nut Hansen; Mousseau, Normand; Trochet, Mickaël; Tsoutsouva, Maria; Li, Yanjun; Friis, Jesper. (2018) Investigation of the energy pathway for generation of dislocations in silicon at Σ3 grain boundaries with the kinetic Activation-Relaxation Technique. Multiscale Materials Modelling , Osaka 2018-10-28 - 2018-11-02

2017

Vitenskapelig foredrag

Casari, Daniele; Mirihanage, Wajira; Falch, Ken Vidar; Ringdalen, Inga Gudem; Friis, Jesper; Schmid-Fetzer, Rainer. (2017) Morphological Transition of a-Mg Dendrites During Near-Isothermal Solidification of a Mg–Nd–Gd–Zn–Zr Casting Alloy. TMS TMS 2017 , San Diego 2017-02-26 - 2017-03-02
Vitenskapelig foredrag

Zhao, Dongdong; Friis, Jesper; Løvvik, Ole Martin; Marthinsen, Knut; Li, Yanjun. (2017) Atomistic simulations in Aluminium alloy development. Faculty of Engineering, Univ. of Toyama 3rd Forum of Center for Advanced Materials Research and International (CAMRIC3)/ 13th Light Metals International Workshop By Japan Institute of Light Metals , Toyama 2017-10-12 - 2017-12-13
Vitenskapelig foredrag

Xu, Yijiang; Casari, Daniele; Mathiesen, Ragnvald; Liu, X.F.; Li, Yanjun. (2017) Nucleation and Growth of Primary Si during Solidification of Hypereutectic Al-Si Alloys: A Combined in situ X-radiography and ex situ TP-1 Type Test. BCAST, Brunel Univ. London, UK Solidification Processing 2017 (SP17) , Beaumont Estate, Old Windsor, UK 2017-07-25 - 2017-07-28
Vitenskapelig foredrag

Casari, Daniele; Mirihanage, Wajira; Falch, Ken Vidar; Ringdalen, Inga Gudem; Friis, Jesper; Schmid-Fetzer, Rainer. (2017) Morphological Transition of alpha-Mg Dendrites during Near-Isothermal Solidification of an Mg-Nd-Gd-Zn-Zr Casting Alloy. BCAST, Brunel Univ. London, UK Solidification Processing 2017 (SP17) , Beaumont Estate, Old Windsor, UK 2017-07-25 - 2017-07-29
Vitenskapelig foredrag

Mørtsell, Eva Anne; Qian, Feng; Li, Yanjun. (2017) HAADF-STEM and Elemental Mapping of Precipitates in an Al-356 Alloy with Cu. SCANDEM Scandem , Reykjavik 2017-06-05 - 2017-06-09
Faglig foredrag

Marthinsen, Knut; Zhao, Dongdong; Li, Yanjun. (2017) A first-principles study on impurity segregation towards grain boundaries and stacking faults in aluminium. Technical University, Kosice, Slovakia 12th International Conference on the Physical Properties and Application of Advanced Materials , Kosice, Slovakia 2017-08-06 - 2017-09-09
Vitenskapelig foredrag

Marthinsen, Knut; Zhao, Dongdong; Li, Yanjun. (2017) Atomistic simulations in aluminium alloy development. Univ. of Toyama, Japan Int. of Light Metals 13th Light Metals International Workshop by Japan Institute of Light Metals; 2017-10-12 - 2017-10-13 , Toyama 2017-10-12 - 2017-10-13

2016

Vitenskapelig foredrag

Roven, Hans Jørgen; Liu, Manping; Zha, Min; Li, Yanjun; Yu, Yingda; Skaret, Pål Christian. (2016) Microstructure and Mechanical Behavior of UFG Al-xMg alloys Fabricated by Severe Plastic Deformation. TMS TMS 2016 Annual Meeting , Nashville, Tennessee 2016-02-14 - 2016-02-18
Vitenskapelig foredrag

Jia, Hailong; Marthinsen, Knut; Li, Yanjun. (2016) Al-5Cu alloy processed by equal-channel angular pressing. TUGraz, Austria Thermec 2016 , Graz 2016-05-29 - 2016-06-03
Vitenskapelig foredrag

Jia, Hailong; Marthinsen, Knut; Li, Yanjun. (2016) The effect of soft Bi particles on grain refinement during severe plastic deformation. Chongqing University ICAA15 , Chongqing 2016-06-12 - 2016-06-16
Vitenskapelig foredrag

Zhao, Dongdong; Løvvik, Ole Martin; Marthinsen, Knut; Li, Yanjun. (2016) Mg and vacancy effect on the generalized planar fault energy of Al: a first-principles study. Chongqing University ICAA15 , Chongqing 2016-06-12 - 2016-06-16
Vitenskapelig foredrag

Zhao, Dongdong; Løvvik, Ole Martin; Marthinsen, Knut; Li, Yanjun. (2016) Impurity effect of Mg on the generalized planar fault energy of Al. TUGraz, Austria Thermec 2016 , Graz 2016-05-29 - 2016-06-03
Vitenskapelig foredrag

Olsbye, Unni; Mudu, Federica; Palcheva, Radostina Dimitrova; Arstad, Bjørnar; Diplas, Spyros; Li, Yanjun. (2016) On the performance of aluminium or gallium substituted lanthanum based perovskite type oxides in methane partial oxidation by framework oxygen. ACS Meeting , San Diego 2016-03-13 - 2016-03-17

2014

Vitenskapelig foredrag

Zha, Min; Li, Yanjun; Mathiesen, Ragnvald; Bjørge, Ruben; Roven, Hans Jørgen. (2014) Influence of Mg content, grain size and strain rate on mechanical properties and deformation behaviors in Al-Mg alloys processed by ECAP and annealing. NTNU ICAA 2014 2014-06-15 - 2014-06-19
Vitenskapelig foredrag

Zha, Min; Li, Yanjun; Mathiesen, Ragnvald; Bjørge, Ruben; Roven, Hans Jørgen. (2014) Development of high strength and high ductility Al-Mg alloys by ECAP and inter-pass annealing. NMS SOMMERMØTE 2014 2014-06-04 - 2014-06-05
Vitenskapelig foredrag

Zha, Min; Li, Yanjun; Mathiesen, Ragnvald; Bjørge, Ruben; Roven, Hans Jørgen. (2014) A bimodal microstructure and improved mechanical properties of an Al-Mg alloy processed by ECAP combined with inter-pass annealing. NanoSPD6 2014-06-29 - 2014-07-04
Vitenskapelig foredrag

Du, Qiang; Li, Yanjun. (2014) Prediction of as-cast grain size of inoculated multicomponent aluminum alloys solidified under non-isothermal condition. the 14th International Conference on Aluminium Alloys , Trondheim 2014-06-15 - 2014-06-19
Vitenskapelig foredrag

Li, Yanjun; Du, Qiang. (2014) Predicting the As-Cast Grain Size of Inoculated Aluminium Alloys. the 4th International Conference on Advances in Solidification Processes , Old Windsor 2014-07-08 - 2014-07-11

2013

Vitenskapelig foredrag

Huang, Ke; Wang, Ning; Li, Yanjun; Marthinsen, Knut. (2013) The effect of homogenization and amount of manganese on the softening behavior of cold-rolled Al-Mn-Fe-Si alloys. The Fifth Chinese–Norwegian Symposium on Light Metals and New Energy , Hangzhou 2013-10-14 - 2013-10-16
Vitenskapelig foredrag

Huang, Ke; Li, Yanjun; Marthinsen, Knut. (2013) Isothermal annealing of a cold-rolled Al-Mn-Fe-Si alloy with different microchemistry states. The Fifth Chinese–Norwegian Symposium on Light Metals and New Energy , Hangzhou 2013-10-14 - 2013-10-16
Vitenskapelig foredrag

Zha, Min; Li, Yanjun; Mathiesen, Ragnvald; Bjørge, Ruben; Roven, Hans Jørgen. (2013) Development of an Al-7Mg alloy with a high strength and good ductility by ECAP. 5th International Conference on Recrystallization & Grain Growth 2013 2013-05-05 - 2013-05-10
Vitenskapelig foredrag

Li, Yanjun; Du, Qiang. (2013) Addressing the influence of solute diffusion layer in solidification front in as-cast grain size prediction models. 6th International Conference on Solidification and Gravity , Miskolc-Lillafured 2013-09-02 - 2013-09-05
Vitenskapelig foredrag

Du, Qiang; Li, Yanjun. (2013) Prediction of as-cast grain size of inoculated multicomponent aluminum alloys. 6th International Conference on Solidification and Gravity , Miskolc-Lillafured 2013-09-02 - 2013-09-05
Vitenskapelig foredrag

Du, Qiang; Li, Yanjun. (2013) Modeling the effect of Cr and Zn on microstructure evolution during homogenization heat treatment of AA3xxx alloys. Asian Conference on Aluminium and Alloys 2013 (ACAA2013) , Beijing 2013-10-13 - 2013-10-17
Vitenskapelig foredrag

Li, Yanjun. (2013) Microstructure evolution during homogenization treatment of non-heat -treatable aluminium alloys. Asian Conference of Aluminium Alloys (ACAA) 2013 , Beijing 2013-10-13 - 2013-10-17
Vitenskapelig foredrag

Li, Yanjun. (2013) Solidification Strcutrue and Homogenization Structure of Non-heat Treatable Aluminium Alloys. Suzhou Institute of Non-ferrous Metalls Invited lecture , Suzhou 2013-10-10 - 2013-10-13

2012

Vitenskapelig foredrag

Li, Yanjun; Håkonsen, Arild; Mortensen, Dag; Furu, Trond. (2012) Modeling the precipitation behavior of semi-stoichiometric dispersoids in 3xxxx alloys. ICAA13: 13th international conference on aluminium alloys 2012-06-03 - 2012-06-07
Vitenskapelig foredrag

Hersent, Emmanuel C; Friis, Jesper; Holmedal, Bjørn; Li, Yanjun; Marthinsen, Knut. (2012) analytical precipitate model fro AA3xxx alloy. ICAA13: International conference on aluminium alloys , Pittsburgh 2012-06-03 - 2012-06-07
Vitenskapelig foredrag

Li, Yanjun; Chen, Yongjun; Walmsley, John Charles; Roven, Hans Jørgen. (2012) Deformation twinning of CP-Ti during severe plastic deformation. TMS 2012, Orlando, USA 2012-03-11 - 2012-03-15
Vitenskapelig foredrag

Li, Yanjun; Friis, Jesper; zhang, wenzheng; Arnberg, Lars. (2012) Crystallography and interfacial energy of Al6(Fe,Mn) dispersoids precipitated in AA5182 alloy. TMS TMS 2012, Orlando , Orlando 2012-03-11 - 2012-03-15
Vitenskapelig foredrag

Zha, Min; Li, Yanjun; Mathiesen, Ragnvald; Roven, Hans Jørgen; Bjørge, Ruben. (2012) Annealing response and strengthening mechanisms of an Al-7Mg alloy processed by ECAP. Norsk Metallurgisk Selskap Nasjonal Konferanse for Materialteknologi, Sommermøte 2012 , Trondheim 2012-05-09 - 2012-05-10
Poster

Zha, Min; Li, Yanjun; Mathiesen, Ragnvald; Roven, Hans Jørgen; Bjørge, Ruben. (2012) Annealing response and strengthening mechanisms of an Al-7,5Mg alloy processed by ECAP. TMS TMS Annual Meeting 2012 , Orlando, Florida 2012-03-11 - 2012-03-15

2011

Vitenskapelig foredrag

Mathiesen, Ragnvald; Arnberg, Lars; Li, Yanjun; Dahle, Arne Kristian. (2011) Al-Si eutectic microstructure formation in directional solidification of Al-Si-Cu alloys. NTNU The fourth Chineese-Norwegian symposium on light metals & new energy , Trondheim 2011-08-24 - 2011-08-26
Vitenskapelig foredrag

Wang, Ning; Li, Yanjun; Flatøy, Jarl Erik; Marthinsen, Knut. (2011) Evolution in microstructure and mechanical properties during cold rolling and subsequent back-annealing of an AlMnFeSi alloy. Strategic Area Materials, NTNU 4th Chinese-Norwegian Seminar on Light Metals and Energy Materials (CNS4) , Trondheim 2011-08-23 - 2011-08-25
Vitenskapelig foredrag

Zhao, Qinglong; Holmedal, Bjørn; Li, Yanjun. (2011) The influence of dispersoids on work hardening of Al-Mn-Fe-Si alloy. DGM European Conference on Aluminium Alloys - ECAA 2011 , Bremen 2011-10-05 - 2011-10-07
Vitenskapelig foredrag

Li, Yanjun; Chen, Yongjun; Nordmark, Heidi; Roven, Hans Jørgen. (2011) Microstructure evolution od AA3003 aluminium alloy under equal channel angular pressing. Nanostructured materials by severe plastic deformation 5 (NanoSPD5) , Nanjing 2011-03-21 - 2011-03-25
Vitenskapelig foredrag

Chen, Yongjun; Li, Yanjun; Walmsley, John; Dumoulin, Stephane; Roven, Hans Jørgen. (2011) Quantitative analysis of grain refinement in heavily deformed titanium. Nanostructured materials by severe plastic deformation 5 (NanoSPD5) , Nanjing 2011-03-21 - 2011-03-25
Vitenskapelig foredrag

Wang, Ning; Flatøy, Jarl Erik; Li, Yanjun; Marthinsen, Knut. (2011) Influence of microchemistry on the softening behavior of a cold rolled AlMnFeSi alloy. Deutsche Gesellschaft fuer Metallkunde European Conference on Aluminium Alloys (ECAA2011) , Bremen 2011-10-05 - 2011-10-07
Vitenskapelig foredrag

Zha, Min; Li, Yanjun; Mathiesen, Ragnvald; Bjørge, Ruben; Roven, Hans Jørgen. (2011) Microstructure evolution in an UFG Al-7Mg alloy processed by ECAP during subsequent annealing. The 4th Chinese–Norwegian Symposium on Light Metals 2011-08-24 - 2011-08-28

2010

Vitenskapelig foredrag

Mathiesen, Ragnvald; Arnberg, Lars; Li, Yanjun; Dahle, Arne Kristian. (2010) In-situ X-ray video microscopy studies of Al-Si eutectic solidification. Intl. Aluminium Assoc. ICAA12 , Yokohama 2010-09-06 - 2010-09-09
Vitenskapelig foredrag

Li, Yanjun. (2010) Orientation relationship between Alpha dispersoids and aluminium matrix in 3xxx alloys. School of Materials Science and Engineering, Tsinghua University Invited talk, Tsinghua University, China. , Beijing, China 2010-05-31 - 2010-06-01
Vitenskapelig foredrag

Li, Yanjun. (2010) New Characterization methods for SPD nanostructured materials--invited talk. Department of Materials Science and Engineering, NTNU NTNU, Nano_SPD workshop , Kristiansund, Norway 2010-12-14 - 2010-12-15

2009

Vitenskapelig foredrag

Chen, Yongjun; Li, Yanjun; Walmsley, John C; Dumoulin, S.; Roven, Hans Jørgen. (2009) Microstructural evolution of commercial pure Ti fabricated by Equal channel angular pressing (ECAP). Ufa State Aviation Technological University 2nd Int. Symp BULK NANOSTRUCTURED MATERIALS from fundamentals to innovations , Ufa 2009-09-22 - 2009-09-26
Vitenskapelig foredrag

Chen, Yongjun; Li, Yanjun; Walmsley, John C.; Dumoulin, S; Roven, Hans Jørgen. (2009) Microstructural development during severe plastic deformation of commercial pure titanium. Shanghai Jiao Tong University The 3rd Chinese-Norwegian Symposium on Light Metals , Shanghai 2009-10-19 - 2009-10-23
Vitenskapelig foredrag

Li, Yanjun; Chen, Yongjun; Walmsley, John C; Dumoulin, S.; Roven, Hans Jørgen. (2009) Microstructure evolution in commercially pure titanium during ECAP processing. Ufa State Aviation Technological University The 2nd Int. Symposium on BULK NANOSTRUCTURED MATERIALS: from fundamentals to innovations , Ufa 2009-09-22 - 2009-09-26
Poster

Chen, Yongjun; Roven, Hans Jørgen; Li, Yanjun; Dumoulin, S.; Walmsley, John C; Liu, Manping. (2009) Deformation structures of pure Ti during shear deformation. TMS TMS Annual Meeting 2009 , San Francisco, California 2009-02-15 - 2009-02-19

2008

Vitenskapelig foredrag

Chen, Yongjun; Roven, Hans Jørgen; Li, Y.J.; Dumoulin, S.; Walmsley, John C. (2008) Microstructure development of commercial pure titanium during equal channel angular pressing (ECAP). Norsk metallurgisk Selskap Norsk Metallurgisk Sommermøte 2008 , Trondheim 2008-05-21 - 2008-05-22
Vitenskapelig foredrag

Li, Yanjun; Furu, Trond; Dons, Anne Lise; Marthinsen, Knut; Arnberg, Lars. (2008) Factors influencing the precipitation behaviour of Mn-containing dispersoids during homogenization of AA3xxx aluminium alloys. Deutsche Gesellschaft für Materialkunde e.V 11th International Conference on Aluminium Alloys (ICAA11) , Aachen 2008-09-22 - 2008-09-26

2007

Vitenskapelig foredrag

Mayandi, Jeyanthinath; Finstad, Terje; Heng, Chenglin; Foss, Steinar; Klette, Hallgeir; Li, Yanjun. (2007) Photoluminescence at 1.5 μm from Er in an SiO2 layer with Ge nanoclusters: The local environments of Er atoms and comparison with he case of Si nanoclusters. The Minerals, Metals & Materials Society TMS2007 , Orlando 2007-02-25 - 2007-03-01
Vitenskapelig foredrag

Li, Yanjun; Pettersen, Tanja; Marthinsen, Knut; Furu, Trond. (2007) Influence of Si, Fe and Mn on the solidification structures of Al-Fe-Mn-Si alloys. Deutsche Gesellschaft für Materialkunde, ... European Congress and Exhibition on Advanced Materials and Processes , Nurnberg 2007-09-10 - 2007-09-13

2006

Vitenskapelig foredrag

Mayandi, Jeyanthinath; Finstad, Terje; Heng, Chenglin; Li, Yanjun; Thøgersen, Annett; Foss, Steinar. (2006) Comparison of Er PL emission with Si and Ge ncs embedded in SiO2 on a Si substrate. Nano Science and Technology institute European Nano Systems 2006 , Paris 2006-12-13 -

2005

Vitenskapelig foredrag

Li, Yanjun; Brusethaug, S.; Olsen, Arne. (2005) Influence of Cu on the age hardening behavior of AlSi7Mg0.5 alloy. TMS org. TMS annual conference 2005 , San Francisco, California 2005-02-13 - 2005-02-17
Vitenskapelig foredrag

Li, Yanjun; Olsen, Arne; Arnberg, Lars. (2005) HRTEM study on the phase transformation from Al6(Mn,Fe) to a-Al(Mn,Fe)Si in AA3003 alloy. TMS org. TMS annual Conference 2005 , San Francisco, California 2005-02-13 - 2005-02-17
Vitenskapelig foredrag

Heng, Chenglin; Finstad, Terje; Storås, Preben; Li, Yanjun; Gunnæs, Anette Eleonora. (2005) Photoluminescence from an Er- and Ge-doped SiO2 films: The inpluence of sputter gas and annealing. The Minerals Metals and Materials Society 2005 TMS Annual Meeting, Symposium Frontiers in thin film growth and nanostructured materials , San Francisco 2005-02-13 - 2005-02-17
Vitenskapelig foredrag

Heng, Chenglin; Finstad, Terje; Li, Yanjun; Mayandi, Jeyanthinath; Jørgensen, Sissel; Storås, Preben. (2005) The precipitation of Ge-rich nano particles in an (Er,Ge) co doped SiO2 matrix. IUMRS-ICAM 2005 ICMAT 2005 , Singapore 2005-07-03 - 2005-07-08
Vitenskapelig foredrag

Finstad, Terje; Heng, Chenglin; Li, Yanjun; Mayandi, Jeyanthinath; Olsen, Arne; Jørgensen, Sissel. (2005) Strong luminescence from Er in an environment of Ge nanoclusters in SiO2. First International Workshop on Semiconductor Nanocrystals , Budapest 2005-09-10 - 2005-09-12

2004

Poster

Heng, Chenglin; Finstad, Terje; Storås, Preben; Gunnæs, Anette Eleonora; Li, Yanjun. (2004) The influence of sputter gas and annealing on photoluminescence and Ge nanoparticle formation in SiO2 films doped with Er. Int. Committee, Chairmen M. Henini, I.H.Calderon The 5th Int. Conf. on Low Dimensional Structures and Devices , Cancun 2004-12-12 - 2004-12-17

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Yanjun Li

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Advanced and Sustainable Aluminium Alloys for High-Pressure Die Cast Components for e-Mobility (AleMo)

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