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Roberts Joffe
Roberts Joffe

Roberts Joffe

Professor and Head of Subject
Luleå University of Technology
Polymeric Composite Materials
Materials Science
Department of Engineering Sciences and Mathematics
+46 (0)920 491940
E295 Luleå


Polymer composites, damage in composites, durability of composites, high-temperature polymers, aging, degradation of properties, multi-functional materials, long-term performance, natural fibers, bio-based composites.

Academic background

2019: Chair Professor in Polymeric Composite Materials, LTU

2012: Professor of Polymeric Composite Materials, LTU

2007: Associate Professor (Associate Professor) in Polymeric Composite Materials, LTU

1999: PhD, Thesis title: "Damage Accumulation and Stiffness Degradation in Composite Laminates".

1996: Licentiate of Engineering at Luleå University of Technology. Thesis title: "Matrix cracking and interfacial debonding in polymer composites".

1994: Combined PhD student, Luleå University of Technology and University of Latvia.

1992: M.Sc. in Continuum Mechanics at University of Latvia, Faculty of Physics and Mathematics, Riga, Latvia.



Article in journal

Numerical analysis of stresses in double-lap adhesive joint under thermo-mechanical load (2021)

Al-Ramahi. N, Joffe. R, Varna. J
Engineering structures, Vol. 233
Article in journal

Characterization of Wood and Graphene Nanoplatelets (GNPs) Reinforced Polymer Composites (2020)

Al-Maqdasi. Z, Gong. G, Nyström. B, Emami. N, Joffe. R
Materials, Vol. 13, nr. 9
Article in journal

Mechanical properties of natural fiber composites produced using dynamic sheet former (2020)

Pupure. L, Varna. J, Joffe. R, Berthold. F, Miettinen. A
Wood Material Science & Engineering, Vol. 15, nr. 2, s. 76-86
Conference paper

Numerical stress analysis for single-lap adhesive joint under thermo-mechanical load using non-linear material (2020)

Al-Ramahi. N, Joffe. R, Varna. J
Part of: The 3rd International Conference on Sustainable Engineering Techniques (ICSET20), Institute of Physics (IOP), 2020, 012070
Article in journal

Numerical stress analysis in adhesively bonded joints under thermo-mechanical loading (2020)

Al-Ramahi. N, Joffe. R, Varna. J
Advances in Mechanical Engineering, Vol. 12, nr. 10