{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1360004232075813376.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1016/j.compositesa.2016.07.008"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S1359835X16302287?httpAccept=text/xml"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S1359835X16302287?httpAccept=text/plain"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"Visualization and size estimation of fiber waviness in multidirectional CFRP laminates using eddy current imaging"}],"description":[{"notation":[{"@value":"Abstract   This paper presents an eddy current method to visualize fiber waviness in multidirectional carbon fiber reinforced plastics. Since eddy currents induced by a driver coil flow along carbon fibers, waviness can be visualized if the eddy current path is visualized. We proposed a new complex plane analysis method to visualize an eddy current path from magnetic field measurements. The validity of the method was verified by finite element method analyses. Experiments were performed for multidirectional carbon fiber reinforced plastic specimens. In-plane waviness with misalignment angle from 6.9° to 24.9° were artificially induced in the specimens. An eddy current path was visualized from magnetic field data and it corresponded to the shape of induced waviness. The sizes of the wavy eddy current path were compared with waviness sizes measured by X-ray computed tomography and from optical images. Experimental results indicate that the surface waviness size can be estimated accurately, whereas the subsurface waviness size is underestimated."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380004232075813382","@type":"Researcher","foaf:name":[{"@value":"Koichi Mizukami"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004232075813378","@type":"Researcher","foaf:name":[{"@value":"Yoshihiro Mizutani"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004232075813380","@type":"Researcher","foaf:name":[{"@value":"Kenshi Kimura"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004232075813377","@type":"Researcher","foaf:name":[{"@value":"Akiyoshi Sato"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004232075813379","@type":"Researcher","foaf:name":[{"@value":"Akira Todoroki"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004232075813376","@type":"Researcher","foaf:name":[{"@value":"Yoshiro Suzuki"}]},{"@id":"https://cir.nii.ac.jp/crid/1380004232075813381","@type":"Researcher","foaf:name":[{"@value":"Yoshiaki Nakamura"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"1359835X"}],"prism:publicationName":[{"@value":"Composites Part A: Applied Science and Manufacturing"}],"dc:publisher":[{"@value":"Elsevier BV"}],"prism:publicationDate":"2016-11","prism:volume":"90","prism:startingPage":"261","prism:endingPage":"270"},"reviewed":"false","dc:rights":["https://www.elsevier.com/tdm/userlicense/1.0/"],"url":[{"@id":"https://api.elsevier.com/content/article/PII:S1359835X16302287?httpAccept=text/xml"},{"@id":"https://api.elsevier.com/content/article/PII:S1359835X16302287?httpAccept=text/plain"}],"createdAt":"2016-07-10","modifiedAt":"2018-09-10","project":[{"@id":"https://cir.nii.ac.jp/crid/1040282256813239552","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"15J05456"},{"@type":"JGN","@value":"JP15J05456"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-15J05456/"}],"notation":[{"@language":"ja","@value":"ＣＦＲＰ深部欠陥およびＧＦＲＰ内部損傷を検出可能な渦電流試験法の開発"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360002215874742784","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Detection of in-plane fiber waviness in cross-ply CFRP laminates using layer selectable eddy current method"}]},{"@id":"https://cir.nii.ac.jp/crid/1360002215875019776","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Detection of in-plane and out-of-plane fiber waviness in unidirectional carbon fiber reinforced composites using eddy current testing"}]},{"@id":"https://cir.nii.ac.jp/crid/1360011144007184384","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Residual stresses in thermoplastic composites – a study of the literature. 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