SYMPOSIA PAPER Published: 01 January 1990
STP25391S

Computational Simulation of High-Temperature Metal Matrix Composites Cyclic Behavior

Source

A procedure was developed and is described that can be used to computationally simulate the cyclic behavior of high-temperature metal matrix composites (HTMMC) and its degradation effects on the structural response. This procedure consists of HTMMC mechanics coupled with a multifactor-mteraction constituent material relationship and with an incremental iterative nonlinear analysis. The procedure is implemented in a computer code that can be used to computationally simulate the thermomechanical behavior of HTMMC starting from the fabrication process and proceeding through thermomechanical cycling, accounting for the interface/interphase region. Results show that combined thermal/mechanical cycling, the interphase, and in situ matrix properties have significant effects on the structural integrity of HTMMC.

Author Information

Chamis, CC
NASA Lewis Research Center, Cleveland, OH
Murthy, PLN
NASA Lewis Research Center, Cleveland, OH
Hopkins, DA
NASA Lewis Research Center, Cleveland, OH
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Details
Developed by Committee: D30
Pages: 56–69
DOI: 10.1520/STP25391S
ISBN-EB: 978-0-8031-5138-3
ISBN-13: 978-0-8031-1385-5