N. Tamari, I. Kondo, S. Sodeoka, K. Ueno, Y. Toibana
{"title":"Si3N4-SiC晶须复合材料的烧结","authors":"N. Tamari, I. Kondo, S. Sodeoka, K. Ueno, Y. Toibana","doi":"10.2109/JCERSJ1950.94.1095_1177","DOIUrl":null,"url":null,"abstract":"Si3N4-SiC whisker composites with whisker content up to 30wt% were prepared by heating 1700° to 2000°C for 60min in 1MPa N2. Fully dense composites were obtained at 2000°C. The optimum content of sintering aids, Y2O3 plus La2O3, was 20 and 30mol% for the whisker content of 10 and 20wt% respectively. The room temperature bending strength were 596 and 560MPa for 10 and 20wt% additions of whisker, respectively. Moreover, these composites had strengths more than 80% of the room temperature value at 1300°C. Improvement in the strength was achieved by using sieved whisker.","PeriodicalId":17274,"journal":{"name":"Journal of the Ceramic Association, Japan","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1986-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Sintering of Si3N4-SiC Whisker Composite\",\"authors\":\"N. Tamari, I. Kondo, S. Sodeoka, K. Ueno, Y. Toibana\",\"doi\":\"10.2109/JCERSJ1950.94.1095_1177\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Si3N4-SiC whisker composites with whisker content up to 30wt% were prepared by heating 1700° to 2000°C for 60min in 1MPa N2. Fully dense composites were obtained at 2000°C. The optimum content of sintering aids, Y2O3 plus La2O3, was 20 and 30mol% for the whisker content of 10 and 20wt% respectively. The room temperature bending strength were 596 and 560MPa for 10 and 20wt% additions of whisker, respectively. Moreover, these composites had strengths more than 80% of the room temperature value at 1300°C. Improvement in the strength was achieved by using sieved whisker.\",\"PeriodicalId\":17274,\"journal\":{\"name\":\"Journal of the Ceramic Association, Japan\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1986-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of the Ceramic Association, Japan\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2109/JCERSJ1950.94.1095_1177\",\"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 Ceramic Association, Japan","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2109/JCERSJ1950.94.1095_1177","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Si3N4-SiC whisker composites with whisker content up to 30wt% were prepared by heating 1700° to 2000°C for 60min in 1MPa N2. Fully dense composites were obtained at 2000°C. The optimum content of sintering aids, Y2O3 plus La2O3, was 20 and 30mol% for the whisker content of 10 and 20wt% respectively. The room temperature bending strength were 596 and 560MPa for 10 and 20wt% additions of whisker, respectively. Moreover, these composites had strengths more than 80% of the room temperature value at 1300°C. Improvement in the strength was achieved by using sieved whisker.
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