{"title":"氧化锆/碳化硅复合陶瓷的裂纹愈合行为及裂纹愈合试样的强度特性","authors":"K. Houjou, Syunsuke Sudo, Koji Takahashi","doi":"10.2472/JSMS.60.742","DOIUrl":null,"url":null,"abstract":"Zirconia/SiC composite ceramics have a high crack-healing ability at low temperature. We investigated the effects of SiC composite, environment on the crack-healing behavior. We also investigated the fatigue strength of heat-treated specimens. The main conclusions are as follows : (1) For crack-healing of ZrO2 ceramics it is necessary both a composite SiC and an oxidation environment. (2) When ZrO2/SiC ceramics are heat-treated in air, a phase-transformation by SiC composite caused not only the crack- healing but improvement of the fracture toughness and bending strength.","PeriodicalId":17366,"journal":{"name":"journal of the Japan Society for Testing Materials","volume":"33 1","pages":"742-747"},"PeriodicalIF":0.0000,"publicationDate":"2011-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":"{\"title\":\"Crack-Healing Behaviour of Zirconia /SiC Composite Ceramics and Strength Properties of Crack-Healing Specimens\",\"authors\":\"K. Houjou, Syunsuke Sudo, Koji Takahashi\",\"doi\":\"10.2472/JSMS.60.742\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Zirconia/SiC composite ceramics have a high crack-healing ability at low temperature. We investigated the effects of SiC composite, environment on the crack-healing behavior. We also investigated the fatigue strength of heat-treated specimens. The main conclusions are as follows : (1) For crack-healing of ZrO2 ceramics it is necessary both a composite SiC and an oxidation environment. (2) When ZrO2/SiC ceramics are heat-treated in air, a phase-transformation by SiC composite caused not only the crack- healing but improvement of the fracture toughness and bending strength.\",\"PeriodicalId\":17366,\"journal\":{\"name\":\"journal of the Japan Society for Testing Materials\",\"volume\":\"33 1\",\"pages\":\"742-747\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2011-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"4\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"journal of the Japan Society for Testing Materials\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2472/JSMS.60.742\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"journal of the Japan Society for Testing Materials","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2472/JSMS.60.742","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Crack-Healing Behaviour of Zirconia /SiC Composite Ceramics and Strength Properties of Crack-Healing Specimens
Zirconia/SiC composite ceramics have a high crack-healing ability at low temperature. We investigated the effects of SiC composite, environment on the crack-healing behavior. We also investigated the fatigue strength of heat-treated specimens. The main conclusions are as follows : (1) For crack-healing of ZrO2 ceramics it is necessary both a composite SiC and an oxidation environment. (2) When ZrO2/SiC ceramics are heat-treated in air, a phase-transformation by SiC composite caused not only the crack- healing but improvement of the fracture toughness and bending strength.
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