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Can the Strength of Brittle Materials be Enhanced?

Published online by Cambridge University Press:  01 January 1992

L. Monette ,
M. P. Anderson  and
G. S. Grest
L. Monette
Affiliation:
Corporate Research Science Laboratory, Exxon Research and Engineering Company, Annandale, NJ 08801
M. P. Anderson
Affiliation:
Corporate Research Science Laboratory, Exxon Research and Engineering Company, Annandale, NJ 08801
G. S. Grest
Affiliation:
Corporate Research Science Laboratory, Exxon Research and Engineering Company, Annandale, NJ 08801
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Abstract

We have employed a two-dimensional computer model to study the effect of volume fraction of second phase constituents on load transfer (stiffness) and strength in brittle short-fiber composites, i.e. composites containing a random distribution of aligned fibers, and brittle particulate composites. We find that the efficiency of load transfer to the second phase consituent increases with volume fraction in particulate composites, while it decreases for short-fiber composites. The strength of brittle particulate composites is found to decrease, while the strength of brittle short-fiber composites marginally increases only at fiber volume fractions equal or greater than 0.25.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 291: Symposium O – Materials Theory and Modeling , 1992 , 79
Copyright
Copyright © Materials Research Society 1993

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References

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