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Mode-III Fracture Propagation in a Two-Dimensional Continuum Model with Frictional Dissipation

Published online by Cambridge University Press:  15 February 2011

Emily S.C. Ching  and
Hiizu Nakanishi
Emily S.C. Ching
Affiliation:
Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong, [email protected]
Hiizu Nakanishi
Affiliation:
Department of Physics, Kyushu University33, Fukuoka 812-81, Japan
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Abstract

Mode-III fracture propagation in a two-dimensional continuum model is studied the- oretically. The material is assumed to be isotropic and linearly elastic with a frictional dissipation, and the crack-tip r-gion is modeled by a cohesive zone. As the externally ap- plied load increases, the steady-state crack speed increases to a maximum value which can be substantially smaller than the sound speed when the dissipation is large. The fracture energy also becomes dependent on the velocity.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 539: Symposium M – Fracture & Ductile vs. Brittle Behavior - Theory, Modelling… , 1998 , 75
Copyright
Copyright © Materials Research Society 1999

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