{"title":"多孔陶瓷的断裂强度:应力集中与最小固体面积模型","authors":"F. Nyongesa, B. O. Aduda","doi":"10.4314/AJST.V5I2.15336","DOIUrl":null,"url":null,"abstract":"In this study, we have reviewed recently published strength-porosity data of porous ceramics, and compared these data with those computed from both the minimum contact solid area (MCA) and the pore stress concentration effect (SCE) models. We observed that the theoretical data (MCA model) matched better the experimental results of ceramics in the low volume fraction porosity range (P 0.25), the SCE model better predicts the experimental results. African Journal of Science and Technology Vol. 5(2) 2004: 19-27","PeriodicalId":7641,"journal":{"name":"African Journal of Science and Technology","volume":"112 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2006-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"6","resultStr":"{\"title\":\"FRACTURE STRENGTH OF POROUS CERAMICS: STRESS CONCENTRATION VS MINIMUM SOLID AREA MODELS\",\"authors\":\"F. Nyongesa, B. O. Aduda\",\"doi\":\"10.4314/AJST.V5I2.15336\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this study, we have reviewed recently published strength-porosity data of porous ceramics, and compared these data with those computed from both the minimum contact solid area (MCA) and the pore stress concentration effect (SCE) models. We observed that the theoretical data (MCA model) matched better the experimental results of ceramics in the low volume fraction porosity range (P 0.25), the SCE model better predicts the experimental results. African Journal of Science and Technology Vol. 5(2) 2004: 19-27\",\"PeriodicalId\":7641,\"journal\":{\"name\":\"African Journal of Science and Technology\",\"volume\":\"112 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2006-05-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"6\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"African Journal of Science and Technology\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.4314/AJST.V5I2.15336\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"African Journal of Science and Technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.4314/AJST.V5I2.15336","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
FRACTURE STRENGTH OF POROUS CERAMICS: STRESS CONCENTRATION VS MINIMUM SOLID AREA MODELS
In this study, we have reviewed recently published strength-porosity data of porous ceramics, and compared these data with those computed from both the minimum contact solid area (MCA) and the pore stress concentration effect (SCE) models. We observed that the theoretical data (MCA model) matched better the experimental results of ceramics in the low volume fraction porosity range (P 0.25), the SCE model better predicts the experimental results. African Journal of Science and Technology Vol. 5(2) 2004: 19-27
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