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A stochastic approach to fatigue damage of carbon fiber composites

โœ Scribed by Ihara Chiaki; Misawa Tetsuya; Shigeyama Yosihide

Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
643 KB
Volume
33
Category
Article
ISSN
0013-7944

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โœฆ Synopsis

Ahatract-A stochastic approach a fatigue damage of carbon fiber composites (CFRP) is proposed. It is based on the constitutive equation for fatigue damage in continuum damage mechanics. By introducing the stochastic process to this equation, a stochastic differential equation of It6 type is derived. The sample path and life distribution of fatigue damage of CFRP are obtained by using the solution of the stochastic differential equation and its probability density, respectively. These theoretical results are compared with the experimental data for a carbon eight-harness-satin/epoxy laminate.

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