{"title":"复合材料wywyoming - modified双轨剪切试验夹具","authors":"A. Hussain, D. Adams","doi":"10.1520/CTR10984J","DOIUrl":null,"url":null,"abstract":"A significantly modified two-rail shear fixture with a new clamping concept and enhanced gripping capability has been designed, fabricated, and evaluated. This new fixture solves some of the major shortcomings associated with the ASTM Standard D 4255 Two-Rail Shear test procedure, including limited specimen gripping ability, the need for specimens with holes, and potential failure by out-of-plane buckling. The in-plane unidirectional ply shear properties of AS4/3501-6 carbon/epoxy were measured using specimens of [0/90]3S cross-ply orientation. Repeatable results and acceptable failure modes were obtained. The excellent gripping capability of the new test fixture was also demonstrated in tests of an AS4/3501-6 carbon/epoxy [±45]4S angle-ply composite, a very high shear strength material.","PeriodicalId":15514,"journal":{"name":"Journal of Composites Technology & Research","volume":"19 1","pages":"215-223"},"PeriodicalIF":0.0000,"publicationDate":"1999-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"17","resultStr":"{\"title\":\"The Wyoming-Modified Two-Rail Shear Test Fixture for Composite Materials\",\"authors\":\"A. Hussain, D. Adams\",\"doi\":\"10.1520/CTR10984J\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A significantly modified two-rail shear fixture with a new clamping concept and enhanced gripping capability has been designed, fabricated, and evaluated. This new fixture solves some of the major shortcomings associated with the ASTM Standard D 4255 Two-Rail Shear test procedure, including limited specimen gripping ability, the need for specimens with holes, and potential failure by out-of-plane buckling. The in-plane unidirectional ply shear properties of AS4/3501-6 carbon/epoxy were measured using specimens of [0/90]3S cross-ply orientation. Repeatable results and acceptable failure modes were obtained. The excellent gripping capability of the new test fixture was also demonstrated in tests of an AS4/3501-6 carbon/epoxy [±45]4S angle-ply composite, a very high shear strength material.\",\"PeriodicalId\":15514,\"journal\":{\"name\":\"Journal of Composites Technology & Research\",\"volume\":\"19 1\",\"pages\":\"215-223\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1999-10-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"17\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Composites Technology & Research\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1520/CTR10984J\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Composites Technology & Research","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1520/CTR10984J","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The Wyoming-Modified Two-Rail Shear Test Fixture for Composite Materials
A significantly modified two-rail shear fixture with a new clamping concept and enhanced gripping capability has been designed, fabricated, and evaluated. This new fixture solves some of the major shortcomings associated with the ASTM Standard D 4255 Two-Rail Shear test procedure, including limited specimen gripping ability, the need for specimens with holes, and potential failure by out-of-plane buckling. The in-plane unidirectional ply shear properties of AS4/3501-6 carbon/epoxy were measured using specimens of [0/90]3S cross-ply orientation. Repeatable results and acceptable failure modes were obtained. The excellent gripping capability of the new test fixture was also demonstrated in tests of an AS4/3501-6 carbon/epoxy [±45]4S angle-ply composite, a very high shear strength material.
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