Effect of plasma nitriding on fatigue behavior of Ti-6Al-4V alloy

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dc.contributor.authorCASTRO, MICHELE C.B. de
dc.contributor.authorCOUTO, ANTONIO A.
dc.contributor.authorALMEIDA, GISELE F.C.
dc.contributor.authorMASSI, MARCOS
dc.contributor.authorLIMA, NELSON B. de
dc.contributor.authorSILVA SOBRINHO, ARGEMIRO da
dc.contributor.authorCASTAGNET, MARIANO
dc.contributor.authorXAVIER, GLEICY L.
dc.contributor.authorOLIVEIRA, RENE R.
dc.coverageInternacionalpt_BR
dc.creator.eventoINTERNATIONAL CONFERENCE ON ADVANCED COMPUTATIONAL ENGINEERING AND EXPERIMENTING, 12thpt_BR
dc.date.accessioned2019-02-04T12:35:04Z
dc.date.available2019-02-04T12:35:04Z
dc.date.eventoJuly 1-5, 2018pt_BR
dc.description.abstractThe Ti-6Al-4V alloy is widely used in the manufacture of components that should have low density, 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 Ti-6Al-4V alloy with a lamellar microstructure (Widmanstätten type). Nitriding was executed at 720 °C for 4 hours in an atmosphere with N2, Ar and H2. Samples microstructure characterization 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 revealed the matrix phases α and β, and the phases Ɛ-Ti2N and δ-TiN in the nitrided alloy. 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, both conditions exhibit similar behavior. The fracture surface of the fatigue tested specimens clearly revealed the lamellar microstructure. The fracture mechanism appears to be due to cracking at the interface of α and β 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.event.siglaACE-Xpt_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. Effect of plasma nitriding on fatigue behavior of Ti-6Al-4V alloy. In: INTERNATIONAL CONFERENCE ON ADVANCED COMPUTATIONAL ENGINEERING AND EXPERIMENTING, 12th, July 1-5, 2018, Amsterdam. <b>Proceedings...</b> DOI: <a href="https://dx.doi.org/10.20944/preprints201812.0326.v1">10.20944/preprints201812.0326.v1</a>. Disponível em: http://repositorio.ipen.br/handle/123456789/29470.
dc.identifier.doi10.20944/preprints201812.0326.v1pt_BR
dc.identifier.orcidaguardandopt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-6444-9224
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/29470
dc.local.eventoAmsterdampt_BR
dc.rightsopenAccesspt_BR
dc.titleEffect of plasma nitriding on fatigue behavior of Ti-6Al-4V alloypt_BR
dc.typeTexto completo de eventopt_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.recebimento19-02pt_BR
ipen.event.datapadronizada2018pt_BR
ipen.identifier.ipendoc25258pt_BR
ipen.notas.internasProceedingspt_BR
ipen.type.genreArtigo
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sigepi.autor.atividadeCASTRO, MICHELE C.B. DE:14362:730:Spt_BR
sigepi.autor.atividadeCOUTO, ANTONIO A.:394:730:Npt_BR
sigepi.autor.atividadeALMEIDA, GISELE F.C.:11407:730:Npt_BR
sigepi.autor.atividadeLIMA, NELSON B. DE:550:730:Npt_BR
sigepi.autor.atividadeCASTAGNET, MARIANO:610:730:Npt_BR
sigepi.autor.atividadeXAVIER, GLEICY L.:12100:730:Npt_BR
sigepi.autor.atividadeOLIVEIRA, RENE R.:942:730:Npt_BR
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