{"title":"Moiré method for measuring strains under welds","authors":"J.M. Cargill","doi":"10.1016/0374-3926(70)90041-4","DOIUrl":null,"url":null,"abstract":"<div><p>A moiré fringe technique has been developed for measuring strains which arise from welding. A grating is etched onto the sample and, after straining, is compared with a mismatch of the original grating. The pitch of the moiré fringes produced gives a measure of the strain.</p></div>","PeriodicalId":100989,"journal":{"name":"Optics Technology","volume":"2 3","pages":"Pages 154-157"},"PeriodicalIF":0.0000,"publicationDate":"1970-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0374-3926(70)90041-4","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Optics Technology","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0374392670900414","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
A moiré fringe technique has been developed for measuring strains which arise from welding. A grating is etched onto the sample and, after straining, is compared with a mismatch of the original grating. The pitch of the moiré fringes produced gives a measure of the strain.
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