Experimental characterization of the tensile behaviour of Nicalon fibre-reinforced calcium aluminosilicate composites
- 66 Downloads
Mechanical behaviour studies were conducted on Nicalon SiC/calcium aluminosilicate (CAS) composites. Tensile tests were carried out to study the stress-strain behaviour, as well as to identify the failure mechanisms, of unidirectional and cross-ply SiC/CAS composites. The evolution of the various damage modes and the synergistic effects among them were investigated. The effect of the 90° ply thickness on the damage modes was also determined. The composite stiffness reduction during damage evolution was evaluated. A tensile test specimen was designed for glass and glass-ceramic composites to avoid end-tab shear failure and expensive machining as well as to reduce the effect of bending due to misalignment. The results of this work provide insight into the stress-strain behaviour and damage mechanisms of continuous fibre-reinforced ceramic composites which can be very valuable in design with these materials.
KeywordsTensile Test Failure Mechanism Aluminosilicate Damage Mechanism Shear Failure
Unable to display preview. Download preview PDF.
- 1.L. J. Schioler and J. J. Stiglich, Amer. Ceram. Soc. Bull. 65 (1986) 289.Google Scholar
- 2.K. Prewo, J. J. Brennan and G. K. Layden, ibid. 65 (1986) 305.Google Scholar
- 6.J. Aveston, G. A. Cooper and A. Kelly, in “Proceeding of the Conference on Properties of Fiber Composites”, National Physical Laboratory (Guildford IPC Science and Technology Press, Surrey, 1971) p. 15.Google Scholar
- 12.D. J. Wilkins, J. R. Eisenmann, R. A. Camin, W. S. Margolis and R. A. Benson, in “Damage in Composite Materials”, edited by K. L. Reifsnider, ASTM STP 775 (American Society for Testing and Materials, Philadelphia, PA, 1982) p. 168.Google Scholar
- 13.A. S. D. Wang, in “Interlaminar Responses in Composite Laminates”, edited by N. J. Pagano (Elsevier Applied Science, 1989) pp. 69–108.Google Scholar
- 14.S. R. Soni and R. Y. Kim, in “Composite Materials: Testing and Design”, ASTM STP 893, edited by J. M. Whitney (American Society for Testing and Materials, Philadelphia, PA, 1986) p. 287.Google Scholar
- 17.F. W. Crossman and A. S. D. Wang, in “Damages in Composite Materials”, edited by K. L. Reifsnider, ASTM STP 775 (American Society for Testing and Materials, Philadelphia, PA, 1982) p. 118.Google Scholar
- 19.Idem., in “Fracture”, Vol. 3, edited by D. M. R. Taplin (University of Waterloo Press, Waterloo, Ontario, Canada, 1977) p. 409.Google Scholar
- 22.J. Adams, in “92nd Annual Meeting of the American Ceramic Society”, Dallas, Texas, April 1990.Google Scholar