Keynote Lecture: Grain size effects in polycrystalline homogenization: strain gradient and mean-free path contributions
J. Segurado, D. Rodríguez, S. Haouala, I. Romero and J. LLorca

Crack growth resistance in gradient plasticity solids
E. Martínez-Pañeda, V.S. Deshpande, C.F. Niordson and N.A. Fleck

From dislocation plasticity to compaction of snow – internal length scales and size effects
S. Sandfeld

A 3D-, SGP-based model to study the effects of distribution of particle size and spacing on the plastic flow properties of precipitation-hardened materials
M.A. Asgharzadeh and J. Faleskog

On the finite element implementation of higher-order gradient plasticity theories
A. Panteghini and L. Bardella