The strong interest in ceramic matrix composite for high temperature application arises primarily from their ability to retain good creep behavior. The objective of this work is to investigate the creep behavior of quasi-isotropic woven silicon carbide fabric reinforced silicon-nitrogen-carbon (SiC/SiNC) ceramic composite at stress levels which are above and below the monotonic proportional limit strength. Constant-load tensile creep-rupture tests were performed on SiC/SiNC ceramic matrix composite on an Instron 8502 material test system. The creep behavior of SiC/SiNC matrix composites were investigated at various temperatures (700°C and 1000°C) and stress levels (55%, 65% of ultimate strength, σult). The strain vs. time curves consisted of primary and secondary (steady state) creep regions were established. The stress exponent and activation energy of SiC/SiNC ceramic matrix composite were also determined at these temperatures. The creep data followed the traditional power law exhibiting an exponential relationship between creep rate and stress.
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ASME 2004 International Mechanical Engineering Congress and Exposition
November 13–19, 2004
Anaheim, California, USA
Conference Sponsors:
- Materials Division
ISBN:
0-7918-4712-8
PROCEEDINGS PAPER
Long-Term Creep and Creep Rupture Behavior of Woven Ceramic Matrix Composites at Elevated Temperatures
Mohammad M. Rahman,
Mohammad M. Rahman
University of Delaware
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Shaik Jeelani
Shaik Jeelani
Tuskegee University
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Siarajus Salekeen
Tuskegee University
Mohammad M. Rahman
University of Delaware
Hassan Mahfuz
Tuskegee University
Shaik Jeelani
Tuskegee University
Paper No:
IMECE2004-60936, pp. 17-30; 14 pages
Published Online:
March 24, 2008
Citation
Salekeen, S, Rahman, MM, Mahfuz, H, & Jeelani, S. "Long-Term Creep and Creep Rupture Behavior of Woven Ceramic Matrix Composites at Elevated Temperatures." Proceedings of the ASME 2004 International Mechanical Engineering Congress and Exposition. Materials. Anaheim, California, USA. November 13–19, 2004. pp. 17-30. ASME. https://doi.org/10.1115/IMECE2004-60936
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