Strain hardening and softening in a nanocrystalline Ni-Fe alloy induced by severe plastic deformation

Article ID	Journal	Published Year	Pages	File Type
10646075	Materials Science and Engineering: A	2011	6 Pages	PDF

Abstract

âº Structure-hardness relationship of a nc Ni-Fe alloy processed by HPT was studied. âº Strain hardening, softening and hardening again occurred progressively. âº The hardness evolution is primarily controlled by dislocation density evolution. âº Grain growth and de-twinning played minor roles on the hardness evolution.

Keywords

Dislocation density Severe plastic deformation Strain hardening Nanocrystalline materials strain softening

Related Topics

Physical Sciences and Engineering Materials Science Materials Science (General)

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Strain hardening and softening in a nanocrystalline Ni-Fe alloy induced by severe plastic deformation

Authors

S. Ni, Y.B. Wang, X.Z. Liao, S.N. Alhajeri, H.Q. Li, Y.H. Zhao, E.J. Lavernia, S.P. Ringer, T.G. Langdon, Y.T. Zhu,