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Stress-strain Behavior and Failure of Uniaxial Composites in Combined Compression and Shear-II

S. B. Batdorf

出版	School of Engineering and Applied Science, University of California, 1985
URL	http://books.google.com.hk/books?id=H2ybPgAACAAJ&hl=&source=gbs_api

註釋

This paper presents a theoretical approach to the problem of finding the stress-strain relations for composites under combined compression and shear. To this end, the 1-element model, presented in Part I of this paper, is replaced by a 2-element model. Both elastic and inelastic composites are explored employing graphical methods. A numerical example is worked out to illustrate the effects of combined loads on the stiffness and strength of a composite. The present theory employs a nonlinear algebraic equation. An alternative approach would be to use a linear incremental theory, leading to a linear differential equation. An analysis is offered to show that the latter approach leads to substantially the same results as the 1-element model. Keywords: Stress-strain relations; Unidirectional composites; Mechanics of failure; Combined compression and shear; Geometric nonlinearity; Material nonlinearity; Carbon-carbon composites; Initial misalignment; Kinking.