Geometrically necessary dislocation and size-dependent plasticity

Huajian Gao; Yonggang Huang

doi:10.1016/S1359-6462(02)00329-9

Geometrically necessary dislocation and size-dependent plasticity

Huajian Gao^*, Yonggang Huang

^*Corresponding author for this work

Civil and Environmental Engineering

Research output: Contribution to journal › Article

263 Scopus citations

Abstract

The geometrically necessary dislocation (GND) and size-dependent plasticity in metals were discussed. The role of GND in the development of continuum plasticity theories with an intrinsic material length scale was presented. It was found that the metallic materials displayed significant size effects when the charcteristic length scale of non-uniform plastic deformation was close to a micron.

Original language	English (US)
Pages (from-to)	113-118
Number of pages	6
Journal	Scripta Materialia
Volume	48
Issue number	2
DOIs	https://doi.org/10.1016/S1359-6462(02)00329-9
State	Published - Jan 1 2003

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Keywords

Geometrically necessary dislocations
Metals
Plasticity
Strain gradient plasticity

ASJC Scopus subject areas

Materials Science(all)
Electronic, Optical and Magnetic Materials
Metals and Alloys

Cite this

Gao, H., & Huang, Y. (2003). Geometrically necessary dislocation and size-dependent plasticity. Scripta Materialia, 48(2), 113-118. https://doi.org/10.1016/S1359-6462(02)00329-9

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10.1016/S1359-6462(02)00329-9