Fatigue behavior of a cross-ply ceramic matrix composite subjected to tension-tension cycling with hold time. Master`s thesis
This study was carried out to investigate the elevated temperature behavior of the SiC-MAS5 cross- ply (O/9O)4S ceramic matrix composite manufactured by Corning Inc. to fatigue with loading waveforms that combine the characteristics of stress rupture and high cycle fatigue. The test results were compiled in the form of S-N (cycles to failure), S-T (exposure time versus cycles to failure), S-S (energy exposure versus cycles to failure), normalized modulus degradation, strain progression, and hysteresis loop progression. From the mechanical behavior demonstrated by these curves, relationships between the effect of the environment and loading waveform were developed. In addition, a post-mortem SEM analysis of the fracture surface was conducted and the results compared to the mechanical behavior.
- Research Organization:
- Air Force Inst. of Tech., Wright-Patterson AFB, OH (United States). School of Engineering
- OSTI ID:
- 91736
- Report Number(s):
- AD-A-289418/6/XAB; AFIT/GAE/ENY-94D-16; TRN: 52120333
- Resource Relation:
- Other Information: TH: Master`s thesis; PBD: Dec 1994
- Country of Publication:
- United States
- Language:
- English
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