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Computer Simulation of Fracture in Brittle Polycrystalline Solids: Effect of Modulus Amisotropy

Published online by Cambridge University Press:  01 January 1992

Shiun Ling  and
Michael P. Anderson
Shiun Ling
Affiliation:
Exxon Corporate Research Science Laboratories Annandale, New Jersey 08801, U.S.A.
Michael P. Anderson
Affiliation:
Exxon Corporate Research Science Laboratories Annandale, New Jersey 08801, U.S.A.
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Abstract

A simulation procedure based on the spring network model has been developed for studying the fracture behavior in brittle, polycrystalline solids. In this 2-D model, the effect of crystalline symmetry is accounted for by imparting to individual bonds a constitutive relationship using the material compliance matrix. Using this model, it was found that the fracture morphology becomes more intragranular in nature with increasing modulus anisotropy. Careful analysis suggests that this is due to the wider stress distributions, and the resulting larger number of cracks generated in the interior of anisotropic grains.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 291: Symposium O – Materials Theory and Modeling , 1992 , 467
Copyright
Copyright © Materials Research Society 1993

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References

REFERENCES

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