An Alternative Decomposition of the Strain Gradient Tensor

[+] Author and Article Information
H. Jiang, T. F. Guo, K. C. Hwang

Failure Mechanics Laboratory, Department of Engineering Mechanics, Tsinghua University, Beijing 100084, China

Y. Huang

Department of Mechanical and Industrial Engineering, University of Illinois, Urbana, IL 61801

J. Appl. Mech 69(2), 139-141 (Jul 18, 2001) (3 pages) doi:10.1115/1.1430666 History: Received January 18, 2001; Revised July 18, 2001
Copyright © 2002 by ASME
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Grahic Jump Location
The effective stress σe normalized by the uniaxial yield stress σY versus the normalized distance to the crack tip, r/l, ahead of the crack tip, where l is the intrinsic material length in strain gradient plasticity; the plastic work hardening exponent N=0.2, Poisson’s ratio ν=0.3, the ratio of yield stress to elastic modulus σY/E=0.2percent, and the remotely applied elastic stress intensity factor KIYl1/2=20




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