Toughening analysis of mode III crack in transformation toughened ceramics |
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| Authors: | Qing-Ping Sun Yong Huang Shou-Wen Yu and Keh-Chih Huang |
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| Institution: | (1) Tsinghua University, Beijing, China |
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| Abstract: | The fracture toughness enhancement of mode III crack in transformation toughened ceramics such as Ce-TZP and Mg-PSZ is predicted by using a pressure sensitive transformation criterion and the weight function method. The theoretical analyses of the toughening effect for both stationary and steady-state growing crack are given, respectively. The results show that the toughening is only associated with crack growth and there is no toughening effect for stationary crack.The project was supported by the National Science Foundation of China |
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| Keywords: | transformation toughening mode I crack stationary and growing crack |
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