{"title":"Attenuation measurement and flaw detection in graphite epoxy composites with random phase transducers","authors":"C. Soufflet, M. Fink","doi":"10.1109/ULTSYM.1988.49535","DOIUrl":null,"url":null,"abstract":"Random phase transducers were used to measure the attenuation of graphite epoxy composites of different porosity. It is shown that the random phase transducer allows attenuation estimation from the speckle noise coming from the sample volume. This technique is compared with the spatial compounding technique. Flaw detection is also performed with random phase transducers, and it is shown that specular reflector echoes are enhanced, compared with scattering noise, with this type of transducer.<<ETX>>","PeriodicalId":263198,"journal":{"name":"IEEE 1988 Ultrasonics Symposium Proceedings.","volume":"85 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1988-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE 1988 Ultrasonics Symposium Proceedings.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ULTSYM.1988.49535","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 3
Abstract
Random phase transducers were used to measure the attenuation of graphite epoxy composites of different porosity. It is shown that the random phase transducer allows attenuation estimation from the speckle noise coming from the sample volume. This technique is compared with the spatial compounding technique. Flaw detection is also performed with random phase transducers, and it is shown that specular reflector echoes are enhanced, compared with scattering noise, with this type of transducer.<>
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