{"title":"晶界滑动:有限但无界的极限","authors":"D. Mclean","doi":"10.1179/MSC.1970.4.1.144","DOIUrl":null,"url":null,"abstract":"AbstractIn polycrystals, geometrical reasoning shows that grain-boundary sliding and diffusion can combine to give nearly unlimited deformation (as observed in superplastic alloys), but the genuine sliding cannot contribute much more than half the total deformation, although measured offsets may be erroneously large.","PeriodicalId":103313,"journal":{"name":"Metal Science Journal","volume":"8 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"11","resultStr":"{\"title\":\"Grain-Boundary Sliding: A Finite but Unbounded Limit\",\"authors\":\"D. Mclean\",\"doi\":\"10.1179/MSC.1970.4.1.144\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"AbstractIn polycrystals, geometrical reasoning shows that grain-boundary sliding and diffusion can combine to give nearly unlimited deformation (as observed in superplastic alloys), but the genuine sliding cannot contribute much more than half the total deformation, although measured offsets may be erroneously large.\",\"PeriodicalId\":103313,\"journal\":{\"name\":\"Metal Science Journal\",\"volume\":\"8 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"11\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Metal Science Journal\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1179/MSC.1970.4.1.144\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Metal Science Journal","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1179/MSC.1970.4.1.144","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Grain-Boundary Sliding: A Finite but Unbounded Limit
AbstractIn polycrystals, geometrical reasoning shows that grain-boundary sliding and diffusion can combine to give nearly unlimited deformation (as observed in superplastic alloys), but the genuine sliding cannot contribute much more than half the total deformation, although measured offsets may be erroneously large.
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