Paper Title:
On Gradient Nanomechanics: Plastic Flow in Nanopolycrystals
| Periodical | Materials Science Forum (Volumes 667 - 669) |
|---|---|
| Main Theme | Nanomaterials by Severe Plastic Deformation: NanoSPD5 |
| Edited by | Jing Tao Wang, Roberto B. Figueiredo and Terence G. Langdon |
| Pages | 991-996 |
| DOI | 10.4028/www.scientific.net/MSF.667-669.991 |
| Citation | Xu Zhang et al., 2010, Materials Science Forum, 667-669, 991 |
| Online since | December, 2010 |
| Authors | Xu Zhang, A.E. Romanov, Elias C. Aifantis |
| Keywords | Gradient Plasticity, Nanomechanics, Nanopolycrystals, Size Effect |
| Price | US$ 28,- |
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Abstract
Gradient nanomechanics is a generalized continuum mechanics framework accounting for “bulk-surface” interactions in the form of gradient terms that enter in the evolution equations of the relevant constitutive variables and/or in the governing field equations. This approach is discussed in the paper by developing appropriate differential equations for the plastic strain and/or the structural defects that bring this about. The effectiveness of the approach is illustrated by considering size-dependent stress-strain curves for nanopolycrystals with varying grain size.
