Mechanical properties of silicon impregnated C/C composite material at elevated temperature

Authors: Fujimoto K.; Shioya T.; Satoh K.

Source: Advanced Composite Materials, Volume 11, Number 4, 2002 , pp. 393-403(11)

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Abstract:

Fracture tests were conducted for silicon impregnated C/C composite material at elevated temperature. Two kinds of carbon fiber orientations were used; one was (0/90) cross-ply and the other was (+45/-45) cross-ply. The fracture mode of this material is discussed compared with that of the conventional C/C composite material. The roughness of the fracture surface of silicon impregnated C/C composite material is much smaller than that of C/C composite material. The delamination between layers is not so remarkable in the fracture of silicon impregnated C/C composite material while it is predominant on the fracture surface of C/C composite material. The anisotropy of the tensile strength of silicon impregnated C/C composite material is small compared with that of conventional C/C composite material.

Keywords: Silicon impregnated C/C composite; C/C composite; fracture; fracture surface; delamination.

Document Type: Research article

DOI: http://dx.doi.org/10.1163/156855102321669208

Publication date: 2002-12-01