{"title":"晶界扩散率分布对奥氏体钢塑性流动的影响I:显微组织表征。确定晶界扩散系数的分布","authors":"W.A. Swiatnicki, M.W. Grabski","doi":"10.1016/0025-5416(88)90242-X","DOIUrl":null,"url":null,"abstract":"<div><p>Measurements of the kinetics of extrinsic grain boundary dislocations (EGBDs) when spreading and investigations of the microstructure of 0.12C22Cr17Ni austenitic steel subjected to different variants of thermal treatment are presented. Diffusional properties of grain boundaries (GB) were studied by the statistical distribution of activation energy for each state of the material. It was found that the distribution shifts towards higher values when the annealing temperature rises. The discussion deals with the structural and chemical factors responsible for the effects observed. The processes of grain growth, recovery of GB structure, secregation and precipitate dissolution have been taken into consideration.</p></div>","PeriodicalId":100890,"journal":{"name":"Materials Science and Engineering","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1988-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0025-5416(88)90242-X","citationCount":"10","resultStr":"{\"title\":\"Effect of distribution of grain boundary diffusivity on plastic flow of austenitic steel I: Characterization of microstructure. Determining the distribution of grain boundary diffusivity\",\"authors\":\"W.A. Swiatnicki, M.W. Grabski\",\"doi\":\"10.1016/0025-5416(88)90242-X\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Measurements of the kinetics of extrinsic grain boundary dislocations (EGBDs) when spreading and investigations of the microstructure of 0.12C22Cr17Ni austenitic steel subjected to different variants of thermal treatment are presented. Diffusional properties of grain boundaries (GB) were studied by the statistical distribution of activation energy for each state of the material. It was found that the distribution shifts towards higher values when the annealing temperature rises. The discussion deals with the structural and chemical factors responsible for the effects observed. The processes of grain growth, recovery of GB structure, secregation and precipitate dissolution have been taken into consideration.</p></div>\",\"PeriodicalId\":100890,\"journal\":{\"name\":\"Materials Science and Engineering\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1988-04-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0025-5416(88)90242-X\",\"citationCount\":\"10\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Materials Science and Engineering\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/002554168890242X\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Materials Science and Engineering","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/002554168890242X","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Effect of distribution of grain boundary diffusivity on plastic flow of austenitic steel I: Characterization of microstructure. Determining the distribution of grain boundary diffusivity
Measurements of the kinetics of extrinsic grain boundary dislocations (EGBDs) when spreading and investigations of the microstructure of 0.12C22Cr17Ni austenitic steel subjected to different variants of thermal treatment are presented. Diffusional properties of grain boundaries (GB) were studied by the statistical distribution of activation energy for each state of the material. It was found that the distribution shifts towards higher values when the annealing temperature rises. The discussion deals with the structural and chemical factors responsible for the effects observed. The processes of grain growth, recovery of GB structure, secregation and precipitate dissolution have been taken into consideration.
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