Damage evolution in metal matrix composites subjected to thermomechanical fatigue
Conference
·
OSTI ID:82493
- Texas A and M Univ., College Station, TX (United States). Center for Mechanics of Composites
- Sandia National Labs., Albuquerque, NM (United States)
A thermomechanical analysis of unidirectional continuous fiber metal matrix composites is presented. The analysis includes the effects of processing induced residual thermal stresses, interface cracking, and inelastic matrix behavior on damage evolution. Due to the complexity of the nonlinear effects, the analysis is performed computationally using the finite element method. The interface fracture is modeled by a nonlinear constitutive model. The problem formulation is summarized and results are presented for a four-ply unidirectional SCS-6/{beta}21S titanium composite under high temperature isothermal mechanical fatigue.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (United States)
- Sponsoring Organization:
- Department of the Air Force, Washington, DC (United States)
- DOE Contract Number:
- AC04-94AL85000
- OSTI ID:
- 82493
- Report Number(s):
- SAND--95-0833C; CONF-9505115--4; ON: DE95011896
- Country of Publication:
- United States
- Language:
- English
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