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grain size effect

Crystal plasticity simulations reveal cooperative plasticity mechanisms leading to enhanced strength and toughness in gradient nanostructured metals

Submitted by Ramathasan The… on
research
crystal plasticity models
# Finite Element modeling
Gradient Plasticity
grain size effect
#strainhardening

Dear Colleagues,

Effects of grain size and microstructure rigid rotations on the bending behavior of nanocrystalline material beams

Submitted by M. Shaat on
research
nanocrystalline materials
micro/nano beams
nanostructured materials
couple stress theory
grain size effect

Due to the intensive decrease in grain sizes of nanocrystalline materials (NcMs), a large volume fraction of atoms reside in the interface regions between crystals forming an atom-cloud phase with a distinct atomic structure. Moreover, the surface to volume ratio of the grain increases, thus its surface energy will significantly affect the mechanical properties of NcMs.

 

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