Sotirios Grammatikos is a Professor in Polymers and Composites at the Dept. of Manufacturing and Civil Engineering, Director of the Advanced and Sustainable Engineered Materials Laboratory (asemlab.no) and Leader of the Research Group Sustainable Composites. Sotirios is also an Affiliated Professor at Chalmers University of Technology in Sweden.

He is a Materials Science Engineer, specialized in the area of product development, characterization, assessment and structural health monitoring of advanced composite materials and structures in aerospace, automotive and civil engineering applications. His main research interests are polymer composites, smart features of cement and asphalt composites (i.e. self-sensing, etc.) enabled by nanotechnology, natural (green) materials, recycling and durability aspects. Before joining NTNU, he was a Research Fellow at Chalmers University of Technology, Sweden (2016-2017) and previously a Research Associate at the University of Bath, UK (2014-2015) and a Post-doc at the University of Ioannina (2013). Sotirios holds a PhD in Materials Engineering specialized in Structural Integrity of Aerostructures (2009-2013), a MSc in Chemistry & Technology of Materials (2008-2010) and a diploma in Materials Science & Engineering from the University of Ioannina, Greece (2003-2008). Sotirios has received training in lightweight aerospace composites from the Hellenic Aerospace Industry (HAI), Athens, Greece (2008).

Professional activities

• Scientific Member of the European Energy Materials Industrial Research Initiative EMIRI
• Scientific member of ECTP
• Member of COST Action CA15107 [MULTI-FUNCTIONAL NANO-CARBON COMPOSITE MATERIALS NETWORK]
• Scientific member of Sustainable Process Industry through Resource and Energy Efficiency European Association - SPIRE
• Scientific member of European Lightweight Cluster Alliance - ELCA
• Scientific member of Polytre Norwegian cluster
• Scientific member of NCMT Norwegian cluster 

Teaching

Bachelor

• TEK3091 Design and construction of composite and polymeric materials
• TEK3101 Production methods for plastic and composite
• TEK2113/TEK2012 - Material science II -Polymers and Composites

Master

• TØL4205 Polymer materials and processes

PhD

• VB8008 Advanced polymer composites
• VB8007 Life cycle assessment of polymers and composites

Research Grants

• Durasens – Vinnova (Swedish National Agency) - Vinnova Strategiska Innovationsprogrammet för Grafen [Project reference: 2016-01636, Long-term performance monitoring of concrete structures using a novel graphene-based DURAble SENSor - 2016] (Main contact)
• Rune Berhardsson’s Graphene fund – Chalmers University of Technology [2016-2017] (Coordinator)
• Recytal – Vinnova/Energimyndigheten (Swedish National Agency) - RESource utlysning 2 (2016-2017) [Project reference: 2017-001986, Application of RECYcled/recovered glass fibre-reinforced composite insulaTors and discArded gLass fibres in construction – 2016-2017] (Main contact)
• ADAPT – Areas of Advance, Chalmers University of Technology [Modulated Road Pavements – 2017] (Coordinator)
• Development of novel multifunctional bio-based insulation systems with “smart materials” for buildings refurbishment. Liverpool John Moores University - PhD scholarship 2017-2019
• WOODcompo – EIT Climate-KIC, EU – Horizon2020 [Ideation Award - Wood composites - 2018] (Main contact)
• ATHENA – ESPA (Greek National Research Funding Agency) [Advanced Nanoenabled Hierarchical Composites with Thermoelectrically self-powered sensing functionalities for Smart structures in Aerospace & Automotive Industry – 2018-2020] (Main contact)
• PREDICT – RFF Innlandet, Norwegian Research Council [Prediction of service life of fibre-reinforced polymer composites used for gas cylinders – 2019-2020] (Coordinator)
• bioSIP – Oppland Fylkeskommune [bio-based Smart Industrial Park – 2019-2021] (Coordinator)
• Ambulance drone – NTNU internal grant [2018] (Main contact)
• PACKOOL – European Defence Agency [Ref: PACKOOL-TAV-16-007, PACKAGING AND COOLING ADVANCED TECHNOLOGIES – 2019-2021] (Main contact) 
• MULTICOMP – COST Action CA15107 [MULTI-FUNCTIONAL NANO-CARBON COMPOSITE MATERIALS NETWORK]
• MEGAMOULD – Norwegian Research Council [Ref: 256819, Extra large injection molded components]
• RAPID TOOLING 4.0 - Norwegian Research Council [2018-2021]
• APPEARS - EU H2020-MSCA-ITN-2018, Project ID: 814158 [Appearance Printing - European Advanced Research School] 
• LightSURF – Vinnova [Lighter through surface protection (2019-2021 (2019-02623))] (Main contact)
• LIFETIME, Norwegian research Council, Ref: 309943 [From lifetime prediction to safer and more sustainable polymer composite products, 2020-2022]
• MAAS, Norwegian research Council, Ref: 300989 [Multiparameter Active Antenna Sensor, 2023]
• imPURE, H2020, NMBP, Ref: 101016262 [Injection Moulding Repurposing for Medical Supplies enabled by Additive Manufacturing, 2020, 2022]

Supervision, consulting, ideas

• Feel free to get in contact

Peer-reviewed journal papers

• Akter N, Das SC, Grammatikos SA, Saha J, Khan MA. Development of sustainable jute geotextiles by bitumen emulsion and polyester resin: Effect of gamma radiation. Journal of Engineered Fibers and Fabrics. 2020;15.
• A. Romano, A. Bras, S. Grammatikos, M. Riley. Physicochemical characterisation of bio-based insulation to explain their hygrothermal behavior. Construction and Building Materials, 2020;258.
• Papatzani S, Grammatikos S, Paine K. Interesting Remarks on the Comparison of Organomodified Nanomontmorillonites in Fibre-Cement Nanohybrids. IOP Conference Series: Materials Science and Engineering. 2020;842:012008.
• Grammatikos S, Papatzani S, Evernden M. Is Hygrothermal Aging of Construction Polymer Composites a Reversible Process? IOP Conference Series: Materials Science and Engineering. 2020;842:012004.
• Grammatikos S, Bertin Jøsendal H, Papatzani S, Boura O, Hajmohammadian Baghban M. Recycled Wood Plastic Composites as Floor Panels for Ship Containers. IOP Conference Series: Materials Science and Engineering. 2020;842:012006.
• Grammatikos S, Tsampas S, Papatzani S, Luping T, Löfgren I, Petterson J. On the Mechanical Recycling of Decommisioned Insulation Polymer Composite Components. IOP Conference Series: Materials Science and Engineering. 2020;842:012002.
• Tzounis L, Petousis M, Liebscher M, Grammatikos S, Vidakis N. Three-Dimensional (3D) Conductive Network of CNT-Modified Short Jute Fiber-Reinforced Natural Rubber: Hierarchical CNT-Enabled Thermoelectric and Electrically Conductive Composite Interfaces. Materials. 2020;13(11):2668.
• Tzounis L, Petousis M, Grammatikos S, Vidakis N. 3D Printed Thermoelectric Polyurethane/Multiwalled Carbon Nanotube Nanocomposites: A Novel Approach towards the Fabrication of Flexible and Stretchable Organic Thermoelectrics. Materials. 2020;13(12):2879.
• Goel, S, Daminabo, S. C., Grammatikos, S. A., Nezhad, H. Y. and Thakur, V. K. (2020). FDM-based Additive Manufacturing (3D Printing): Techniques for Polymer Material Systems. Materials Today Chemistry.
• S. Papatzani, S. Grammatikos, K. Paine, Permeable Nanomontmorillonite and Fibre Reinforced Cementitious Bindersm, Materials 2019, 12(19), 3245.
• A. D. La Rosa, S. Grammatikos, R. C. Ciobanu, C. M. Schreiner, Electromagnetic shielding for buildings using hybrid polymer composites: a life cycle assessment study. Key Engineering Materials, 2020, In press.
• S. Grammatikos, M. M. Dahl, V. S. Brøndbo, A. D. La Rosa, On the use of carbon nanotubes to develop durable structural electrodes for self-sensing applications. Key Engineering Materials, 2020, In press.
• A. Romano, A. Bras, S. Grammatikos, A. Shaw, M. Riley. Dynamic behaviour of bio-based and recycled materials for indoor environmental comfort, Construction and Building Materials, 211, 730-743.
• M. H. Baghban, M. Kioumarsi, S. Grammatikos. Prediction Models for Thermal Conductivity of Cement-based Composites. Nordic Concrete Research Journal. 2018.
• S.A. Grammatikos, E.Z. Kordatos, T.E. Matikas, A.S. Paipetis. On the fatigue response of a bonded repaired aerospace composite using thermography. Composite Structures. 2018;188:461-469.
• R. Mirzanamadi, S.A. Grammatikos, P. Johansson. Thermal properties of asphalt concrete: a numerical and experimental study. Construction and Building Materials. 2018;158: 774-785.
• S. Papatzani, S.A. Grammatikos, K. Paine. Pore-Structure and Microstructural Investigation Of Organomodified / Inorganic Nano-montmorillonite Cementitious Nanocomposites. AIP Conference Proceedings, 2018.
• S.A. Grammatikos, R.J. Ball, M. Evernden, R. Jones. Impedance spectroscopy as a tool for real time moisture absorption monitoring in engineering polymer composites. Composites Part A: Applied Science and Manufacturing. 2018;105:108-117.
• Z. Ullah, L. Kaczmarczyk, S.A. Grammatikos, M.C. Evernden, C.J. Pearce. Multi-scale computational homogenisation to predict the long-term durability of composite structures. Computers and Structures. 2017;181:21-31.
• S.A. Grammatikos, M. Evernden, J. Mitchels, B. Zafari, J.T. Mottram, G.C. Papanicolaou. On the response to hygrothermal aging of pultruded FRPs used in the civil engineering sector. Materials & Design. 2016;96:283-95.
• S.A. Grammatikos, R.G. Jones, M. Evernden, J.R. Correia. Thermal cycling effects on the durability of a pultruded GFRP material for off-shore civil engineering structures. Composite Structures. 2016;153:297-310.
• S. Pavlopoulou, S.A. Grammatikos, E.Z. Kordatos, K. Worden, A. Paipetis, T. Matikas, C. Soutis. Continuous debonding monitoring of a patch repaired helicopter stabilizer: Damage assessment and analysis. Composite Structures. 2015;127(0):231-44.
• S.A. Grammatikos, B. Zafari, M. Evernden, J.T. Mottram, J.M. Mitchels. Moisture uptake characteristics of a pultruded fibre reinforced polymer flat sheet subjected to hot/wet aging. Polymer Degradation and Stability. 2015;121:407-19.
• S.A. Grammatikos, E. Z. Kordatos, T. E. Matikas, A. S. Paipetis. Current injection phase thermography for low-velocity impact damage identification. Materials and Design. 55 (2014) 429-441.
• O. Boura, E.K. Diamanti, S.A. Grammatikos, D. Gournis, A.S. Paipetis. Carbon nanotube growth on high modulus carbon fibres: Morphological and interfacial characterization. Surface and Interface Analysis. 2013;45:1372-81.
• S.A. Grammatikos, E.Z. Kordatos, T.E. Matikas, A.S. Paipetis, Real-Time Debonding Monitoring of Composite Repaired Materials via Electrical, Acoustic, and Thermographic Methods, J. of Materi Eng and Perform. (2013) 1-12.
• S.A. Grammatikos and A.S. Paipetis. On the electrical properties of multi scale reinforced composites for damage accumulation monitoring. Composites Part B: Engineering. 2012;43 (6):2687-96.
• S.A. Grammatikos, E.Z. Kordatos, N.M. Barkoula, T.E. Matikas, and A. S. Paipetis. Innovative non-destructive evaluation and damage characterization of composite aerostructures using thermography. Plastics, Rubber and Composites. 2011;40 (6-7):342-8.

Peer-reviewed conference papers

• Romano, A. Bras, S. Grammatikos, P. Kot, A. Shaw. Dynamic behaviour of bio-based and recycled materials for indoor environmental comfort. ICBBM2019, Belfast, 2019
• A. Romano, A. Bras, S. Grammatikos, A. Shaw, M. Riley. Bio-fibre earth composite mortar: a structural and hygrothermal assessment. Fifth International Conference on Sustainable Construction Materials and Technologies (SCMT5), 2019.
• A. D. La Rosa, S. Grammatikos, R. C. Ciobanu, C. M. Schreiner, Electromagnetic shielding for buildings using hybrid polymer composites: a life cycle assessment study. International Conference on Fracture and Damage Mechanics, Rhodes, Greece. 16-18th September 2019.
• S. Grammatikos, M. M. Dahl, V. S. Brøndbo, A. D. La Rosa, On the use of carbon nanotubes to develop durable structural electrodes for self-sensing applications. International Conference on Fracture and Damage Mechanics, Rhodes, Greece. 16-18th September 2019.
• M. Evernden, S. Grammatikos, S. Papatzani. Investigating the reversibility of moisture uptake on the behavior of a pultruded polymer composite used in construction. ECCM18, Athens, Greece.
• S. Grammatikos, S. Tsampas, J. Petterson, T. Luping, I. Löfgren. Recycling and re-purposing retarded construction polymer composites for construction applications. ECCM18, Athens, Greece.
• H. B. Jøsendal, S. Grammatikos. Recycled wood plastic composite floor panels for off-shore shipping containers. ECCM18, Athens, Greece.
• E. Zhang, S. Grammatikos, I. löfgren, T. Luping, L. Ye, J. Liu. Electrical monitoring of concrete using a novel structural sensor based on conductive cementitious mortar. ECCM18, Athens, Greece.
• A. Romano, A. Bras, S. Grammatikos, P. Kot, A. Shaw. On the development of self-controlled bio-based panels for buildings thermal management. ECCM18, Athens, Greece.
• S. Papatzani, S.A. Grammatikos, K. Paine. Nanomontmorillonite / fibre cementitious nanocomposites for pervious substrates. NICOM6, Hong Kong, 2018.
• S.A. Grammatikos, I. Löfgren, T. Luping, L. Ye, J. Liu. On the development of a durable graphene-based sensor for concrete performance monitoring. Coms2017 conference, 2017, Zagreb, Croatia.
• S.A. Grammatikos, M. Evernden, R.J. Ball. Non-linear response of environmentally aged polymer composites: a physicochemical and mechanical study. ECCM-17 conference, 2016, Munich, Germany.
• D. Bekas, S.A. Grammatikos, C. Kouimtzi, A.S. Paipetis. Linear and non-linear electrical dependency of carbon nanotube reinforced composites to internal damage. IOP Conference Series: Materials Science and Engineering, 2015.
• S.A. Grammatikos, E.Z. Kordatos, T.E. Matikas, A.S. Paipetis. Service and maintenance damage assessment of composite structures using various modes of infrared thermography. IOP Conference Series: Materials Science and Engineering, 2015.
• S.A. Grammatikos, R.J. Ball, M. Evernden. On the environmental degradation assessment of pultruded fibre reinforced polymers. Malta, ICCE-22, 2015.
• S.A. Grammatikos, M. Evernden, R.J. Ball. Combined characterization of the effects of hot/wet aging on a pultruded GFRP plate. In: 20th International Conference on Composite Materials (ICCM 20), 2015-07-19 - 2015-07-24, Copenhagen, Denmark, 2015.
• S.A. Grammatikos, M. Evernden, R.J. Ball. Effects of hygrothermal aging on pultruded glass fibre reinforced polymers: a complimentary study. In: Advanced Composites in Construction (ACIC 2015), 2015-09-09 - 2015-09-11, Cambridge, United Kingdom, 2015.
• S.A. Grammatikos, E.Z. Kordatos, T.E. Matikas and A.S. Paipetis. A combination of novel thermographic and electrical techniques for low-velocity impact damage identification in multifunctional composites. San Diego, CA, USA, 2013, SPIE (Invited paper)
• S.A. Grammatikos, M.-E. Kouli, G. Gkikas, A.S. Paipetis. Structural health monitoring of aerospace materials used in industry using electrical potential mapping methods. San Diego, CA, USA, 2012, SPIE.
• S.A. Grammatikos, E.Z. Kordatos, T.E. Matikas, A.S. Paipetis. Low-velocity impact damage identification using a novel current injection thermographic technique. San Diego, CA, USA, 2012, SPIE.
• S.A. Grammatikos, E.Z. Kordatos, D.G. Aggelis, T.E. Matikas, A.S. Paipetis. Critical and subcritical damage monitoring of bonded composite repairs using innovative non-destructive techniques. San Diego, CA, USA, 2012, SPIE. (Invited paper)
• G. Gkikas, S.A. Grammatikos, D.G. Aggelis and A.S. Paipetis. Simultaneous acoustic and dielectric real time curing monitoring of epoxy systems. San Diego, CA, USA, 2012, SPIE.
• G. Gkikas, C. Saganas, S.A. Grammatikos, G.M. Maistros, N.-M. Barkoula, A.S. Paipetis. Dispersion monitoring of carbon nanotube modified epoxy systems. San Diego, CA, USA, 2012, SPIE.
• S.A. Grammatikos, E.Z. Kordatos, T.E. Matikas and A.S. Paipetis. Bonded repair integrity monitoring of aerospace materials using combined non-destructive methods. Brussels, Belgium, 2012, Duracosys2012.
• S.A. Grammatikos, G Gkikas, A.S. Paipetis. Monitoring strain and damage in multi phase composite materials using electrical resistance methods. vol. 79822011. San Diego, CA, USA, 2011, SPIE.
• A.S. Paipetis, S.A. Grammatikos, E.Z. Kordatos, N.-M. Barkoula, T.E. Matikas. In service damage assessment of bonded composite repairs with full field thermographic techniques. vol. 79832011. San Diego, CA, USA, 2011, SPIE.
• S.A. Grammatikos, D.G. Aggelis, A.S. Paipetis. Continuous monitoring of setting and hardening of epoxy resin. RILEM Bookseries, 2012, pp. 491-6.
• S.A. Grammatikos and A.S. Paipetis. Electrical resistance and electrical potential studies for the detection and monitoring of damage in hybrid composites. ETNDT5, 2011, Ioannina.
• S.A. Grammatikos, E.Z. Kordatos, N.-M. Barkoula, T.E. Matikas, A.S. Paipetis. Innovative non-destructive evaluations and damage characterization of composite aerostructures. ECCM14, Budapest, 2010.
• S.A. Grammatikos, E.Z. Kordatos, N.-M. Barkoula, T.E. Matikas, A.S. Paipetis. Repair integrity monitoring of composite aerostructures using thermographic imaging. San Diego, CA, USA, 2010, SPIE, 76491D-76412.

Participation in conferences without paper

• A. Romano, A. Bras, S. Grammatikos, S. Wylie, P. Kot. Development of novel multifunctional bio-based insulation system with smart materials for buildings refurbishment. Faculty Research Week, LJMU, 2018.
• S.A. Grammatikos, I. Löfgren, T. Luping, L. Ye, J. Liu. Concrete setting and hardening monitoring using a novel graphene-based sensor. ICF14 conference, 2017, Rhodes, Greece.
• S.A. Grammatikos, R. Ball, and M. Evernden. Real-time moisture absorption monitoring of polymer matrix composites via electrical impedance spectroscopy. MechComp2016 conference, 2016, Porto, Portugal.
• S.A. Grammatikos and M. Evernden. A ‘complete’ characterization study of anomalous behaviour of hygrothermally aged FRPs. In: 6th International Conference on Structural Analysis of Advanced Materials (ICSAAM 2015), 2015, Porto, Portugal.
• S.A. Grammatikos and M. Evernden. On the estimates of durability of glass fibre reinforced polymers subjected to hot /wet aging. In: 10th International Conference on Composite Science and Technology (ICCST/10), 2015, Lisbon, Portugal.
• S.A. Grammatikos, R. Ball, and M. Evernden. Structural deformation assessment of glass fibre reinforced polymers subjected to hygrothermal ageing. In: 18th International Conference on Composite Structures (ICCS18), 2015, Lisbon, Portugal.
• S.A. Grammatikos, R. Ball, and M. Evernden. Environmental degradation assessment of pultruded FRP profiles. Tokyo, Japan, Duracosys2014.
• S.A. Grammatikos, E.Z. Kordatos, D.G. Aggelis, T.E. Matikas and A.S. Paipetis. Critical and subcritical damage monitoring of bonded composite repairs using innovative non-destructive techniques. In: TRANSPORT RESEARCH ARENA-YEAR 2012 (Finalist of the Young European Arena of Research 2012), 2012, Athens, Greece. (Invited participation)
• S.A. Grammatikos, E.Z. Kordatos, N.M. Barkoula, T.E. Matikas and A. S. Paipetis. Innovative non-destructive evaluations and damage characterization of composites. In: First Greek and First Greek – Ukrainian Conference on Fracture Mechanics of Materials and Structures, 2010, Xanthi, Greece.

Awards/scholarships

• PhD Scholarship by the Department of Materials Science and Engineering, University of Ioannina, Hellas (IAPETUS EU FP7, No: ACP8-GA-2009-234333)
• Student finalist of the student competition YEAR2012, EU, FP7, PILLAR V: Design and production of the EU conference TRA2012
• Post-doctoral scholarship awarded by the ‘Science Without Borders’ organization (Young talent category, CNPq-CAPES), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil (2013-2014)