Abstract
The transformation field analysis (TFA) of inelastic composite materials (Dvorak 1992) is extended here to fibrous composite laminates. Loading is limited to uniform in-plane stresses and out-of-plane normal stress, and to uniform changes in temperature. The solution for local stresses or strains in the plies is found in terms of elastic transformation influence functions and concentration factors which reflect a selected microgeometry representation of a unidirectional composite, and the constraints imposed on the in-plane strains of the perfectly bonded plies. This methodology is applied in simulations of hot isostatic pressing and subsequent loading of a (0/90)s Sigma/Timetal 21S laminate under axial tension/tension stress cycles applied at constant temperature.
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Dvorak, G.J., Bahei-El-Din, Y.A. (1995). Transformation Analysis of Inelastic Laminates. In: Pyrz, R. (eds) IUTAM Symposium on Microstructure-Property Interactions in Composite Materials. Solid Mechanics and Its Applications, vol 37. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0059-5_8
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DOI: https://doi.org/10.1007/978-94-011-0059-5_8
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