Crack growth behavior of SiCf/SiC composite at room and high temperatures

S. Raghuraman, J. F. Stubbins, M. K. Ferber, A. A. Wereszczak

Research output: Contribution to journalConference articlepeer-review


The fiber reinforced ceramic composite, SiCfSiC, exhibits enhanced crack growth resistance at room temperature due to fiber related toughening processes. In order to assess the effect of cyclic loading on crack growth, center notched specimens were tested under tension/tension cyclic loading. Under cyclic loading there is a progressive loss of toughening, and the crack growth rate increases with decreasing load ratio, R (R = minimum load/maximum load). For high temperature tests, flexure specimens were used. At high temperatures, additional damage processes such as creep and oxidation take place, and affect the crack growth behavior. The test results and microstructural aspects of crack growth behavior will be discussed.

Original languageEnglish (US)
Pages (from-to)827-834
Number of pages8
JournalCeramic Engineering and Science Proceedings
Issue number5
StatePublished - Sep 1994
EventProceedings of the 18th Annual Conference on Composites and Advanced Ceramic Materials - B. Part 2 (of 2) - Cocoa Beach, FL, USA
Duration: Jan 9 1993Jan 14 1993

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry


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