{"title":"雪中的危险缺陷分布","authors":"G. Michot, H. Kirchner","doi":"10.1080/01418610208240434","DOIUrl":null,"url":null,"abstract":"Abstract Because of an ever-present random distribution of flaws, the yield stress of snow is not a unique function of density but follows a statistical Weibull distribution. For snow of density 140 kgm−3, 50% of the specimen breaks at 6300 Pa, and the Weibull exponent is m = 2.1, very low compared with metals or even ceramics. This indicates that snow is inhomogeneous and full of flaws.","PeriodicalId":114492,"journal":{"name":"Philosophical Magazine A","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2002-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Dangerous defect distributions in snow\",\"authors\":\"G. Michot, H. Kirchner\",\"doi\":\"10.1080/01418610208240434\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Abstract Because of an ever-present random distribution of flaws, the yield stress of snow is not a unique function of density but follows a statistical Weibull distribution. For snow of density 140 kgm−3, 50% of the specimen breaks at 6300 Pa, and the Weibull exponent is m = 2.1, very low compared with metals or even ceramics. This indicates that snow is inhomogeneous and full of flaws.\",\"PeriodicalId\":114492,\"journal\":{\"name\":\"Philosophical Magazine A\",\"volume\":\"1 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2002-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Philosophical Magazine A\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1080/01418610208240434\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Philosophical Magazine A","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/01418610208240434","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Abstract Because of an ever-present random distribution of flaws, the yield stress of snow is not a unique function of density but follows a statistical Weibull distribution. For snow of density 140 kgm−3, 50% of the specimen breaks at 6300 Pa, and the Weibull exponent is m = 2.1, very low compared with metals or even ceramics. This indicates that snow is inhomogeneous and full of flaws.
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