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Relationship between microstructure, microhardness and corrosion sensitivity of an AA 2024-T3 friction stir welded joint

dc.contributor.authorBOUSQUET, Emilie
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorPOULON-QUINTIN, Angeline
dc.contributor.authorPUIGGALI, Monique
dc.contributor.authorDEVOS, Olivier
dc.contributor.authorTOUZET, Marie
dc.date.issued2011
dc.identifier.issn0010-938X
dc.description.abstractEnCorrosion sensitivity of a friction stir welded (FSW) AA2024-T3 aluminum alloy has been investigated using both normalized intergranular corrosion test (ASTM-G110) and local electrochemical open circuit potential measurements. In addition, Vickers microhardness and microstructural analysis have been performed. The HAZ close to the TMAZ is the most sensitive to intergranular corrosion because of the presence of continuous lines of S′(S) intergranular precipitates at grain boundaries. Pitting corrosion is due to the intermetallic particles. Their fragmentation produced by stirring effect modifies the pitting corrosion behavior. Microhardness variations depend on the relative volume fraction of GPB zones and S′(S) intragranular precipitates.
dc.language.isoen
dc.publisherElsevier
dc.subject.enAluminum alloys
dc.subject.enWelding
dc.subject.enPitting corrosion
dc.subject.enIntergranular corrosion
dc.title.enRelationship between microstructure, microhardness and corrosion sensitivity of an AA 2024-T3 friction stir welded joint
dc.typeArticle de revue
dc.identifier.doi10.1016/j.corsci.2011.05.049
dc.subject.halChimie/Matériaux
bordeaux.journalCorrosion Science
bordeaux.page3026-3034
bordeaux.volume53
bordeaux.issue9
bordeaux.peerReviewedoui
hal.identifierhal-00608544
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00608544v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Corrosion%20Science&rft.date=2011&rft.volume=53&rft.issue=9&rft.spage=3026-3034&rft.epage=3026-3034&rft.eissn=0010-938X&rft.issn=0010-938X&rft.au=BOUSQUET,%20Emilie&POULON-QUINTIN,%20Angeline&PUIGGALI,%20Monique&DEVOS,%20Olivier&TOUZET,%20Marie&rft.genre=article


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