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Mobility of Non-Planar Screw Dislocations ahead of a Mode III Crack Tip

Published online by Cambridge University Press:  15 February 2011

A.H.W. Ngan  and
H.F. Zhang
A.H.W. Ngan
Affiliation:
Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, P.R. China
H.F. Zhang
Affiliation:
Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, P.R. China
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Abstract

The generalised Peierls-Nabarro model is used to study the transformation of screw dislocation cores from the three-fold, non-planar state to the planar, glissile state ahead of a mode mll crack tip.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 539: Symposium M – Fracture & Ductile vs. Brittle Behavior - Theory, Modelling… , 1998 , 69
Copyright
Copyright © Materials Research Society 1999

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References

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