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A model for compressive mean stress effects in compression failure of carbon/epoxy composites

โœ Scribed by Stephen R. Swanson; Yong Ju Jee

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
661 KB
Volume
27
Category
Article
ISSN
1359-8368

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โœฆ Synopsis

Compression loadings in thick composites can in some cases lead to three-dimensional states of stress with a compressive mean stress. Models are examined in the present work that attempt to predict the effects of this compressive mean stress on the compression strength of carbon/epoxy fiber composites. The models assume that the fibers have an initial misalignment, and that composite failure occurs when the fiber matrix bond strength is exceeded. Literature values for the effect of pressure on bond strength are included. Comparisons with experimental data from the literature support the predicted increase in comparison strength with pressure.

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