Study on springback from thermal-mechanical boundary condition imposed to V-bending and L-bending processes coupled with infrared rays local heating

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dc.contributor.authorLee, Eun Hoko
dc.contributor.authorYoon, Jeong Whanko
dc.contributor.authorYang, Dong-Yolko
dc.date.accessioned2018-06-16T06:36:33Z-
dc.date.available2018-06-16T06:36:33Z-
dc.date.created2017-12-19-
dc.date.created2017-12-19-
dc.date.issued2018-05-
dc.identifier.citationINTERNATIONAL JOURNAL OF MATERIAL FORMING, v.11, no.3, pp.417 - 433-
dc.identifier.issn1960-6206-
dc.identifier.urihttp://hdl.handle.net/10203/242426-
dc.description.abstractThis paper shows differences of thermal-mechanical boundary condition and springback between V-bending and L-bending processes. Although a recently conducted study showed that an infrared (IR) local heating method substantially reduces springback of dual-phase (DP) 980 steel sheet in V-bending, its application to L-bending, which is one of widely used forming processes in industrial applications, has not been sufficiently reported. In the L-bending experiment conducted in this work, springback does not sufficiently decrease as much as it does in the V-bending test, even though the sheet is deformed under the same temperature condition. For analysis of the difference in springback, thermo-elastic-plastic simulation for both V-bending and L-bending processes were conducted. The numerical analysis shows that the V-bending and L-banding processes have significantly different thermal and mechanical boundary conditions even though both processes go through a bending deformation. The differences in the boundary conditions have a strong effect on the thermal-mechanical behavior of the blank, so that the springback results are different between the two bending processes. Finally, it is also shown that the L-bending process requires a higher temperature condition than the V-bending process in order to sufficiently reduce springback.-
dc.languageEnglish-
dc.publisherSPRINGER FRANCE-
dc.subjectSTRENGTH STEEL SHEETS-
dc.subjectHOT-
dc.subjectWARM-
dc.subjectBEHAVIOR-
dc.titleStudy on springback from thermal-mechanical boundary condition imposed to V-bending and L-bending processes coupled with infrared rays local heating-
dc.typeArticle-
dc.identifier.wosid000431926100008-
dc.identifier.scopusid2-s2.0-85028975673-
dc.type.rimsART-
dc.citation.volume11-
dc.citation.issue3-
dc.citation.beginningpage417-
dc.citation.endingpage433-
dc.citation.publicationnameINTERNATIONAL JOURNAL OF MATERIAL FORMING-
dc.identifier.doi10.1007/s12289-017-1375-2-
dc.contributor.localauthorYoon, Jeong Whan-
dc.contributor.localauthorYang, Dong-Yol-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorV-bending-
dc.subject.keywordAuthorL-bending-
dc.subject.keywordAuthorInfrared local heating-
dc.subject.keywordAuthorSpringback-
dc.subject.keywordAuthorThermal-mechanical boundary condition-
dc.subject.keywordPlusSTRENGTH STEEL SHEETS-
dc.subject.keywordPlusHOT-
dc.subject.keywordPlusWARM-
dc.subject.keywordPlusBEHAVIOR-
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