The effect of plasma nitriding on the fatigue behavior of the Ti-6Al-4V alloy

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dc.contributor.authorCASTRO, MICHELE C.B. dept_BR
dc.contributor.authorCOUTO, ANTONIO A.pt_BR
dc.contributor.authorALMEIDA, GISELE F.C.pt_BR
dc.contributor.authorMASSI, MARCOSpt_BR
dc.contributor.authorLIMA, NELSON B. dept_BR
dc.contributor.authorSILVA SOBRINHO, ARGEMIRO dapt_BR
dc.contributor.authorCASTAGNET, MARIANOpt_BR
dc.contributor.authorXAVIER, GLEICY L.pt_BR
dc.contributor.authorOLIVEIRA, RENE R.pt_BR
dc.coverageInternacionalpt_BR
dc.date.accessioned2019-08-08T12:16:02Z
dc.date.available2019-08-08T12:16:02Z
dc.date.issued2019pt_BR
dc.description.abstractThe Ti-6Al-4V alloy is widely used in the manufacture of components that must have low density and high corrosion resistance and fatigue strength. The fatigue strength can be improved by surface modification. The aim of this study was to determine the influence of plasma nitriding on the fatigue behavior of a Ti-6Al-4V alloy with a lamellar microstructure (Widmanstätten type). Nitriding was executed at 720 C for 4 h in an atmosphere with N2, Ar, and H2. Microstructure characterization of the samples was carried out by X-ray diffraction analysis, optical microscopy, and scanning electron microscopy. The average roughness of the specimens was determined, and fatigue tests were executed in a bending–rotating machine with reverse tension cycles (R = 􀀀1). X-ray diffraction analysis of the nitrided alloy revealed the following matrix phases: , , "-Ti2N, and -TiN. A nitrogen diffusion layer was formed between the substrate and the titanium nitrides. Plasma nitriding resulted in an increase in low-cycle fatigue strength, whereas at high cycles of 200 MPa, both conditions exhibited similar behaviors. The fracture surface of the fatigue-tested specimens clearly revealed the lamellar microstructure. The fracture mechanism in the non-nitrided specimens appears to be due to cracking at the interface of the and phases of the lamellar microstructure.pt_BR
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)pt_BR
dc.description.sponsorshipIDCAPES: PROEX 01-2018pt_BR
dc.format.extent1-13pt_BR
dc.identifier.citationCASTRO, MICHELE C.B. de; COUTO, ANTONIO A.; ALMEIDA, GISELE F.C.; MASSI, MARCOS; LIMA, NELSON B. de; SILVA SOBRINHO, ARGEMIRO da; CASTAGNET, MARIANO; XAVIER, GLEICY L.; OLIVEIRA, RENE R. The effect of plasma nitriding on the fatigue behavior of the Ti-6Al-4V alloy. <b>Materials</b>, v. 12, n. 3, p. 1-13, 2019. DOI: <a href="https://dx.doi.org/10.3390/ma12030520">10.3390/ma12030520</a>. Disponível em: http://repositorio.ipen.br/handle/123456789/30040.
dc.identifier.doi10.3390/ma12030520pt_BR
dc.identifier.fasciculo3pt_BR
dc.identifier.issn1996-1944pt_BR
dc.identifier.orcid0000-0002-6444-9224pt_BR
dc.identifier.orcid0000-0003-1503-1582pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-6444-9224
dc.identifier.percentilfi58.121
dc.identifier.percentilfiCiteScore62.00
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/30040
dc.identifier.vol12pt_BR
dc.relation.ispartofMaterialspt_BR
dc.rightsopenAccesspt_BR
dc.subjecttitanium alloys
dc.subjectaluminium alloys
dc.subjectvanadium alloys
dc.subjectplasma
dc.subjectnitridation
dc.subjectthermochemical processes
dc.subjectfatigue
dc.titleThe effect of plasma nitriding on the fatigue behavior of the Ti-6Al-4V alloypt_BR
dc.typeArtigo de periódicopt_BR
dspace.entity.typePublication
ipen.autorMARIANO CASTAGNET
ipen.autorGLEICE DE LIMA XAVIER
ipen.autorRENE RAMOS DE OLIVEIRA
ipen.autorNELSON BATISTA DE LIMA
ipen.autorGISELE FABIANE COSTA ALMEIDA
ipen.autorANTONIO AUGUSTO COUTO
ipen.autorMICHELE CRISTINA BIONDO DE CASTRO
ipen.codigoautor610
ipen.codigoautor12100
ipen.codigoautor942
ipen.codigoautor550
ipen.codigoautor11407
ipen.codigoautor394
ipen.codigoautor14362
ipen.contributor.ipenauthorMARIANO CASTAGNET
ipen.contributor.ipenauthorGLEICE DE LIMA XAVIER
ipen.contributor.ipenauthorRENE RAMOS DE OLIVEIRA
ipen.contributor.ipenauthorNELSON BATISTA DE LIMA
ipen.contributor.ipenauthorGISELE FABIANE COSTA ALMEIDA
ipen.contributor.ipenauthorANTONIO AUGUSTO COUTO
ipen.contributor.ipenauthorMICHELE CRISTINA BIONDO DE CASTRO
ipen.date.recebimento19-08
ipen.identifier.fi3.057pt_BR
ipen.identifier.fiCiteScore3.5
ipen.identifier.ipendoc25833pt_BR
ipen.identifier.iwosWoSpt_BR
ipen.range.fi3.000 - 4.499
ipen.range.percentilfi50.00 - 74.99
ipen.type.genreArtigo
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sigepi.autor.atividadeOLIVEIRA, RENE R.:942:730:Npt_BR
sigepi.autor.atividadeXAVIER, GLEICY L.:12100:730:Npt_BR
sigepi.autor.atividadeCASTAGNET, MARIANO:610:730:Npt_BR
sigepi.autor.atividadeLIMA, NELSON B. de:550:730:Npt_BR
sigepi.autor.atividadeALMEIDA, GISELE F.C.:11407:730:Npt_BR
sigepi.autor.atividadeCOUTO, ANTONIO A.:394:730:Npt_BR
sigepi.autor.atividadeCASTRO, MICHELE C.B. de:14362:730:Spt_BR
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