Assessment of cumulative damage by using ultrasonic C-scan on carbon fiber/epoxy composites under thermal cycling

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dc.contributor.authorShiino, Marcos Yutaka [UNESP]
dc.contributor.authorFaria, Maria Candida Magalhães [UNESP]
dc.contributor.authorBotelho, Edson Cocchieri [UNESP]
dc.contributor.authorOliveira, Pedro Carlos de
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-20T13:28:23Z
dc.date.available2014-05-20T13:28:23Z
dc.date.issued2012-08-01
dc.description.abstractIn recent years, structural composites manufactured by carbon fiber/epoxy laminates have been employed in large scale in aircraft industries. These structures require high strength under severe temperature changes of -56° until 80 °C. Regarding this scenario, the aim of this research was to reproduce thermal stress in the laminate plate developed by temperature changes and tracking possible cumulative damages on the laminate using ultrasonic C-scan inspection. The evaluation was based on attenuation signals and the C-scan map of the composite plate. The carbon fiber/epoxy plain weave laminate underwent temperatures of -60° to 80 °C, kept during 10 minutes and repeated for 1000, 2000, 3000 and 4000 times. After 1000 cycles, the specimens were inspected by C-scanning. A few changes in the laminate were observed using the inspection methodology only in specimens cycled 3000 times, or so. According to the found results, the used temperature range did not present enough conditions to cumulative damage in this type of laminate, which is in agreement with the macro - and micromechanical theory.en
dc.description.affiliationUNESP Guaratinguetá Faculty of Engineering Materials and Technology Department
dc.description.affiliationUniversity of São Paulo Escola de Engenharia de Lorena - EEL
dc.description.affiliationUnespUNESP Guaratinguetá Faculty of Engineering Materials and Technology Department
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipIdFAPESP: 11/01937-0
dc.description.sponsorshipIdFAPESP: 09/04123-4
dc.description.sponsorshipIdFAPESP: 06/02121-6
dc.description.sponsorshipIdFAPESP: 05/54358-7
dc.format.extent495-499
dc.identifierhttp://dx.doi.org/10.1590/S1516-14392012005000062
dc.identifier.citationMaterials Research. ABM, ABC, ABPol, v. 15, n. 4, p. 495-499, 2012.
dc.identifier.doi10.1590/S1516-14392012005000062
dc.identifier.fileS1516-14392012000400002.pdf
dc.identifier.issn1516-1439
dc.identifier.lattes4378078337343660
dc.identifier.lattes0000-0001-8338-4879
dc.identifier.lattes2160957529151025
dc.identifier.scieloS1516-14392012000400002
dc.identifier.urihttp://hdl.handle.net/11449/9442
dc.identifier.wosWOS:000308134300002
dc.language.isoeng
dc.publisherABM, ABC, ABPol
dc.relation.ispartofMaterials Research
dc.relation.ispartofjcr1.103
dc.relation.ispartofsjr0,398
dc.rights.accessRightsAcesso aberto
dc.sourceSciELO
dc.subjectcarbon fiber reinforcement plastics (CFRP)en
dc.subjectultrasonicen
dc.subjectthermal cyclingen
dc.titleAssessment of cumulative damage by using ultrasonic C-scan on carbon fiber/epoxy composites under thermal cyclingen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/mr/paboutj.htm
unesp.author.lattes4378078337343660[3]
unesp.author.lattes0000-0001-8338-4879[3]
unesp.author.lattes2160957529151025
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Engenharia, Guaratinguetápt

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