Calculation of the Ultimate State of Reinforced Plastics and Unoriented Polymers in Asymmetric High-Cycle Tension–Compression

The fatigue failure of reinforced plastics and unoriented polymers under a joint action of static and high-cycle loadings is considered. The fatigue failure strength is estimated from stress range diagrams with a static tensile component. The models of ultimate state are constructed based on the hyp...

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Published inMechanics of composite materials Vol. 40; no. 1; pp. 45 - 56
Main Authors Golub, V. P., Krizhanovskii, V. I., Pogrebniak, A. D.
Format Journal Article
LanguageEnglish
Published 01.01.2004
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Summary:The fatigue failure of reinforced plastics and unoriented polymers under a joint action of static and high-cycle loadings is considered. The fatigue failure strength is estimated from stress range diagrams with a static tensile component. The models of ultimate state are constructed based on the hypothesis of existence of a unified ultimate diagram invariant with respect to the number of cycles to failure. The unified diagram is given by a transcendental power function whose exponent characterizes the sensitivity of the material to the stress-cycle asymmetry. The models of ultimate state make it possible to span practically all forms of ultimate diagrams of composite and polymer materials, including concave, rectilinear, S-shaped, and convex ones.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
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ISSN:0191-5665
DOI:10.1023/B:MOCM.0000018463.09110.97