Detailed analysis of debonding and frictional sliding in fiber-reinforced brittle matrix composites
- Univ. of Toyko (Japan)
Using axisymmetric cylindrical composite model, a comprehensive finite element analysis was carried out for fiber pullout and crack bridging conditions. The analysis completely satisfied the mechanical boundary conditions and mechanical continuities over fiber-matrix interface. Energy release rate for a debonding crack tip was calculated. Residual stresses due to thermal expansion mismatch and the interfacial Coulomb frictional shear stress transfer at the debonded interface were considered in the calculations. The debond length was determined based on the energy release rate analysis. The stress distributions along the fiber-matrix interface and the singular stress field in the crack tip were also obtained. Discussions were made on the calculated results.
- OSTI ID:
- 135770
- Report Number(s):
- CONF-9508127-; TRN: 95:006889-0033
- Resource Relation:
- Conference: 2. international conference on high temperature ceramic matrix composites, Santa Barbara, CA (United States), 21-25 Aug 1995; Other Information: PBD: 1995; Related Information: Is Part Of Ceramic transactions: High-temperature ceramic-matrix composites I: Design, durability, and performance. Volume 57; Evans, A.G.; Naslain, R. [eds.]; PB: 517 p.
- Country of Publication:
- United States
- Language:
- English
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