Crack shielding in Ce-TZP/Al2O3 composites: Comparison of fatigue and sustained load crack growth specimens

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作者：
机构：
[1] Tsai, Jing-Fong
[2] Belnap, J.Daniel
[3] Shetty, Dinesh K.
来源：
Tsai, Jing-Fong | 1600年 / American Ceramic Soc, Westerville, OH, United States卷 / 77期
关键词：
Alumina - Cerium compounds - Crack propagation - Fatigue of materials - Fatigue testing - Nonmetallic matrix composites - Raman spectroscopy - Strain - Stress analysis - Tensile testing - Zirconia;
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摘要：
Crack shielding intensities in in situ loaded compact tension specimens of two types of ceria-partially-stabilized zirconia/alumina composites were evaluated by laser Raman spectroscopy. Crack-tip stress fields and total crack shielding stress intensity were measured. Diminished crack shielding in the fatigue specimens were observed.
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