Crazing of laminates

Jean Lemaitre*, Frederick A. Leckie, Dov Sherman

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The main features of the behavior of a brittle-ductile type of laminates are derived from a one-dimensional study which emphasizes the mechanism of cracking-debonding. The analysis is based upon a shear lag model and the experiments are performed on an alumina-graphite expoxy laminate. The sequence of cracking-debonding giving rise to crazes is pointed out with a limiting value of the crack spacing due to a debonding length found to be of the same order of magnitude as the thickness of the layers. The reduction of stiffness due to crazes is also calculated, measured and used to find the homogenized behavior of the laminate as an elastic damaged material.

Original languageEnglish
Pages (from-to)289-304
Number of pages16
JournalEuropean Journal of Mechanics, A/Solids
Volume11
Issue number3
StatePublished - 1992
Externally publishedYes

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