{"title":"b.c.c晶体中孪生的施密德因子的讨论","authors":"D. Williams","doi":"10.1179/MSC.1967.1.1.94","DOIUrl":null,"url":null,"abstract":"AbstractThe Schmid Factors for the twelve {112}〈111〉 twinning systems in body-centred cubic crystals have been calculated. From these, the orientations that will give a crystal the greatest probability of twinning on one system only are derived. These orientations are [1.189, 2, 2] for crystals tested in compression and [1, 1.667, 2] for crystals tested in tension. As the maximum Schmid Factor for {l01}〈111〉 slip is high and the maximum Schmid Factor for twinning in tension is low at [1, 1.667, 2], it is concluded that testing in compression at [1.189, 2,2] will give the greatest probability of producing one, and only one, family of twins.","PeriodicalId":103313,"journal":{"name":"Metal Science Journal","volume":"40 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":"{\"title\":\"A Discussion of Schmid Factors for Twinning in B.C.C. Crystals\",\"authors\":\"D. Williams\",\"doi\":\"10.1179/MSC.1967.1.1.94\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"AbstractThe Schmid Factors for the twelve {112}〈111〉 twinning systems in body-centred cubic crystals have been calculated. From these, the orientations that will give a crystal the greatest probability of twinning on one system only are derived. These orientations are [1.189, 2, 2] for crystals tested in compression and [1, 1.667, 2] for crystals tested in tension. As the maximum Schmid Factor for {l01}〈111〉 slip is high and the maximum Schmid Factor for twinning in tension is low at [1, 1.667, 2], it is concluded that testing in compression at [1.189, 2,2] will give the greatest probability of producing one, and only one, family of twins.\",\"PeriodicalId\":103313,\"journal\":{\"name\":\"Metal Science Journal\",\"volume\":\"40 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"5\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Metal Science Journal\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1179/MSC.1967.1.1.94\",\"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.1967.1.1.94","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A Discussion of Schmid Factors for Twinning in B.C.C. Crystals
AbstractThe Schmid Factors for the twelve {112}〈111〉 twinning systems in body-centred cubic crystals have been calculated. From these, the orientations that will give a crystal the greatest probability of twinning on one system only are derived. These orientations are [1.189, 2, 2] for crystals tested in compression and [1, 1.667, 2] for crystals tested in tension. As the maximum Schmid Factor for {l01}〈111〉 slip is high and the maximum Schmid Factor for twinning in tension is low at [1, 1.667, 2], it is concluded that testing in compression at [1.189, 2,2] will give the greatest probability of producing one, and only one, family of twins.
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