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 composite; cross-ply laminate; transverse crack; changes of elastic properties

Interface characterization; single fiber fragmentation

Academic background

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

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

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

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


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

Conductive Regenerated Cellulose Fibers by Electroless Plating (2019)

Al-Maqdasi. Z, Hajlane. A, Renbi. A, Ouarga. A, Chouhan. S, Joffe. R
Fibers, Vol. 7, nr. 5
Article in journal

Effect of food chemicals and temperature on mechanical reliability of bio-based glass fibers reinforced polyamide (2019)

Basso. M, Piselli. A, Simonato. M, Furlanetto. R, Pupure. L, Joffe. R, et al.
Composites Part B, Vol. 157, s. 140-149