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dc.contributor.authorFarias A.
dc.contributor.authorBatalha G.F.
dc.contributor.authorPrados E.F.
dc.contributor.authorMagnabosco R.
dc.contributor.authorDelijaicov S.
dc.date.accessioned2019-08-20T00:13:12Z
dc.date.accessioned2023-05-03T20:38:31Z
dc.date.available2019-08-20T00:13:12Z
dc.date.available2023-05-03T20:38:31Z
dc.date.issued2013
dc.identifier.citationFARIAS, Adalto de; BATALHA, G. F.; Batalha, G.F.; PRADOS, E.F.; MAGNABOSCO, R.; DELIJAICOV, Sergio. Tool wear evaluations in friction stir processing of commercial titanium Ti-6Al-4V. Wear (Lausanne), v. 302, n. 1-2, p. 1327-1333, 2013.
dc.identifier.issn0043-1648
dc.identifier.urihttps://hdl.handle.net/20.500.12032/89597
dc.description.abstractThis research addresses the application of friction stir welding (FWS) of titanium alloy Ti-6Al-4V. Friction stir welding is a recent process, developed in the 1990s for aluminum joining; this joining process is being increasingly applied in many industries from basic materials, such as steel alloys, to high performance alloys, such as titanium. It is a process in great development and has its economic advantages when compared to conventional welding. For high performance alloys such as titanium, a major problem to overcome is the construction of tools that can withstand the extreme process environment. In the literature, the possibilities approached are only few tungsten alloys. Early experiments with tools made of cemented carbide (WC) showed optimistic results consistent with the literature. It was initially thought that WC tools may be an option to the FSW process since it is possible to improve the wear resistance of the tool. The metallographic analysis of the welds did not show primary defects of voids (tunneling) or similar internal defects due to processing, only defects related to tool wear which can cause loss of weld quality. The severe tool wear caused loss of surface quality and inclusions of fragments inside the joining, which should be corrected or mitigated by means of coating techniques on tool, or the replacement of cemented carbide with tungsten alloys, as found in the literature. © 2012 Elsevier B.V..
dc.relation.ispartofWear
dc.rightsAcesso Restrito
dc.titleTool wear evaluations in friction stir processing of commercial titanium Ti-6Al-4V
dc.typeArtigo


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