SYMPOSIA PAPER Published: 01 January 1996

Analysis of the Thermo-Mechanical Fatigue Response of Metal Matrix Composite Laminates with Interfacial Normal and Shear Failure


In this study, an analysis of the thermo-mechanical fatigue (TMF) behavior of titanium-based metal matrix composites (MMCs) is accomplished by employing a modified method of cells micromechanics model coupled with a fiber/matrix interfacial failure scheme and the Bodner-Partom unified constitutive theory. Interfacial failure is based on a probabilistic failure criterion which considers the equivalent interfacial compliance to be a function of the interfacial stress. In this approach, the effects of both normal and shear failure of the interface have been included. MMC laminates with angle-ply and quasi-isotropic layups are analyzed for monotonic, cyclic, and thermo-mechanical fatigue loads, and where it is appropriate, comparisons with experimental data are made.

Author Information

Robertson, DD
Air Force Institute of Technology, Wright-Patterson AFB, OH
Mall, S
Air Force Institute of Technology, Wright-Patterson AFB, OH
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Developed by Committee: E08
Pages: 236–251
DOI: 10.1520/STP16456S
ISBN-EB: 978-0-8031-5325-7
ISBN-13: 978-0-8031-2001-3