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Archive of Applied Mechanics
Published in: Archive of Applied Mechanics 8/2017

12-04-2017 | Original

Effect of dislocation absorption by surfaces on strain hardening of single crystalline thin films

Authors: Xiang-Long Peng, Gan-Yun Huang

Published in: Archive of Applied Mechanics | Issue 8/2017

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Abstract

In the paper, by taking advantage of a strain gradient crystal plasticity theory with consideration of dislocation absorption by surfaces, plastic behaviors of thin films with two active slip systems under constrained shear is analytically studied. It is found that the critical loads for the onset of dislocations absorption by surfaces for the two slip systems are size dependent and are greatly affected by the latent hardening in the grain interior, and dislocations absorption by surfaces can significantly change the distributions of the plastic deformation and dislocation density and hence the strain-hardening behaviors.
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Appendix
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Metadata
Title
Effect of dislocation absorption by surfaces on strain hardening of single crystalline thin films
Authors
Xiang-Long Peng
Gan-Yun Huang
Publication date
12-04-2017
Publisher
Springer Berlin Heidelberg
Published in
Archive of Applied Mechanics / Issue 8/2017
Print ISSN: 0939-1533
Electronic ISSN: 1432-0681
DOI
https://doi.org/10.1007/s00419-017-1253-x

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