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Article: Study on the mechanical heterogeneity of electron beam welded thick TC4-DT joints

TitleStudy on the mechanical heterogeneity of electron beam welded thick TC4-DT joints
Authors
KeywordsDamage-Tolerant Ti-6Al-4V
Electron Beam Welding
Mechanical Properties
Issue Date2012
PublisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/msea
Citation
Materials Science And Engineering A, 2012, v. 540, p. 135-141 How to Cite?
AbstractTensile properties and microhardness of electron beam welded thick damage-tolerant Ti-6Al-4V joints with the weld cross-section of parallel shaped and taper shaped configurations were examined. Moreover, the mechanical heterogeneity along the weld depth was studied. The results indicate that for both the shaped joints, the weld metal exhibits increased strength and microhardness, while decreased ductility and toughness as compared with the base metal. The mechanical properties of the weld metal are heterogeneous along the weld depth. With the increase of weld depth, the strength and microhardness increase. The weld middle position has smaller mechanical heterogeneity than the weld top and weld root. Moreover, the heterogeneity of parallel shaped welds along the weld depth is lower than that of taper shaped welds. It is also found that the change of mechanical properties such as strength and microhardness has microstructure dependent trend. The mechanical heterogeneity along the weld depth is dependent on the grain size change of β phase and martensite. © 2012 Elsevier B.V.
Persistent Identifierhttp://hdl.handle.net/10722/168638
ISSN
2014 Impact Factor: 2.567
2014 SCImago Journal Rankings: 2.211
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLu, Wen_US
dc.contributor.authorLi, Xen_US
dc.contributor.authorLei, Yen_US
dc.contributor.authorShi, Yen_US
dc.date.accessioned2012-10-08T03:23:48Z-
dc.date.available2012-10-08T03:23:48Z-
dc.date.issued2012en_US
dc.identifier.citationMaterials Science And Engineering A, 2012, v. 540, p. 135-141en_US
dc.identifier.issn0921-5093en_US
dc.identifier.urihttp://hdl.handle.net/10722/168638-
dc.description.abstractTensile properties and microhardness of electron beam welded thick damage-tolerant Ti-6Al-4V joints with the weld cross-section of parallel shaped and taper shaped configurations were examined. Moreover, the mechanical heterogeneity along the weld depth was studied. The results indicate that for both the shaped joints, the weld metal exhibits increased strength and microhardness, while decreased ductility and toughness as compared with the base metal. The mechanical properties of the weld metal are heterogeneous along the weld depth. With the increase of weld depth, the strength and microhardness increase. The weld middle position has smaller mechanical heterogeneity than the weld top and weld root. Moreover, the heterogeneity of parallel shaped welds along the weld depth is lower than that of taper shaped welds. It is also found that the change of mechanical properties such as strength and microhardness has microstructure dependent trend. The mechanical heterogeneity along the weld depth is dependent on the grain size change of β phase and martensite. © 2012 Elsevier B.V.en_US
dc.languageengen_US
dc.publisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/mseaen_US
dc.relation.ispartofMaterials Science and Engineering Aen_US
dc.subjectDamage-Tolerant Ti-6Al-4Ven_US
dc.subjectElectron Beam Weldingen_US
dc.subjectMechanical Propertiesen_US
dc.titleStudy on the mechanical heterogeneity of electron beam welded thick TC4-DT jointsen_US
dc.typeArticleen_US
dc.identifier.emailLu, W:luwei@hku.hken_US
dc.identifier.authorityLu, W=rp00754en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.msea.2012.01.117en_US
dc.identifier.scopuseid_2-s2.0-84862813501en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84862813501&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume540en_US
dc.identifier.spage135en_US
dc.identifier.epage141en_US
dc.identifier.isiWOS:000302511600018-
dc.publisher.placeSwitzerlanden_US
dc.identifier.scopusauthoridLu, W=27868087600en_US
dc.identifier.scopusauthoridLi, X=54967324700en_US
dc.identifier.scopusauthoridLei, Y=7201592928en_US
dc.identifier.scopusauthoridShi, Y=7404964763en_US
dc.identifier.citeulike10429946-

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