{"title":"淬火和回火钢中流动裂纹的控制条件","authors":"C. L. Formby","doi":"10.1179/MSC.1967.1.1.152","DOIUrl":null,"url":null,"abstract":"AbstractMeasurements of the differences between the minimum crack lengths to cause failure for stationary and fast-running cracks are described. The experiments were performed at room temperature on quenched and tempered steels having a range of ductilities. The results are explained in terms of the variation of effective surface energy with strain rate and the influence of plate thickness. An estimate is made of the effect of kinetic energy in reducing the critical running-crack length.","PeriodicalId":103313,"journal":{"name":"Metal Science Journal","volume":"38 4","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Conditions for Arrest of a Running Crack in Quenched and Tempered Steels\",\"authors\":\"C. L. Formby\",\"doi\":\"10.1179/MSC.1967.1.1.152\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"AbstractMeasurements of the differences between the minimum crack lengths to cause failure for stationary and fast-running cracks are described. The experiments were performed at room temperature on quenched and tempered steels having a range of ductilities. The results are explained in terms of the variation of effective surface energy with strain rate and the influence of plate thickness. An estimate is made of the effect of kinetic energy in reducing the critical running-crack length.\",\"PeriodicalId\":103313,\"journal\":{\"name\":\"Metal Science Journal\",\"volume\":\"38 4\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Metal Science Journal\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1179/MSC.1967.1.1.152\",\"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.1967.1.1.152","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Conditions for Arrest of a Running Crack in Quenched and Tempered Steels
AbstractMeasurements of the differences between the minimum crack lengths to cause failure for stationary and fast-running cracks are described. The experiments were performed at room temperature on quenched and tempered steels having a range of ductilities. The results are explained in terms of the variation of effective surface energy with strain rate and the influence of plate thickness. An estimate is made of the effect of kinetic energy in reducing the critical running-crack length.
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