{"title":"耐热合金蠕变过程中晶界断裂的萌生及增韧机制:A辑:固体力学，材料强度","authors":"Manabu Tanaka, H. Iizuka","doi":"10.1299/KIKAIA.53.483","DOIUrl":null,"url":null,"abstract":"A discussion was made on the initiation of grain-boundary fracture during creep and the toughening mechanism in heat-resisting alloys, using two kinds of continuum mechanics models which incorporated the recovery effect by diffusion of atoms. The result of the calculation based on these models was compared with that of the creep rupture tests on austenitic 21Cr-4Ni-9Mn steel. These models were than applied to the prediction of the rupture life in creep. A good correlation was found between the result of the calculation based on the models and that of the experiment. Further, a simple heat treatment was proposed for the improvement of the creep-rupture properties.","PeriodicalId":286527,"journal":{"name":"JSME international journal : bulletin of the JSME","volume":"152 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1987-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"The Initiation of Grain-Boundary Fracture During Creep and the Toughening Mechanism in Heat-Resisting Alloys : Series A : Solid-Mechanics, Strength of Materials\",\"authors\":\"Manabu Tanaka, H. Iizuka\",\"doi\":\"10.1299/KIKAIA.53.483\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A discussion was made on the initiation of grain-boundary fracture during creep and the toughening mechanism in heat-resisting alloys, using two kinds of continuum mechanics models which incorporated the recovery effect by diffusion of atoms. The result of the calculation based on these models was compared with that of the creep rupture tests on austenitic 21Cr-4Ni-9Mn steel. These models were than applied to the prediction of the rupture life in creep. A good correlation was found between the result of the calculation based on the models and that of the experiment. Further, a simple heat treatment was proposed for the improvement of the creep-rupture properties.\",\"PeriodicalId\":286527,\"journal\":{\"name\":\"JSME international journal : bulletin of the JSME\",\"volume\":\"152 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1987-11-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"JSME international journal : bulletin of the JSME\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1299/KIKAIA.53.483\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"JSME international journal : bulletin of the JSME","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1299/KIKAIA.53.483","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The Initiation of Grain-Boundary Fracture During Creep and the Toughening Mechanism in Heat-Resisting Alloys : Series A : Solid-Mechanics, Strength of Materials
A discussion was made on the initiation of grain-boundary fracture during creep and the toughening mechanism in heat-resisting alloys, using two kinds of continuum mechanics models which incorporated the recovery effect by diffusion of atoms. The result of the calculation based on these models was compared with that of the creep rupture tests on austenitic 21Cr-4Ni-9Mn steel. These models were than applied to the prediction of the rupture life in creep. A good correlation was found between the result of the calculation based on the models and that of the experiment. Further, a simple heat treatment was proposed for the improvement of the creep-rupture properties.
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