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High-Pressure Assisted Sintering of Ti-20Si-10B and Ti-10Si-5B Powders

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dc.contributor.authorPereira, Wladimir Leite
dc.contributor.authorTrindade Ramos, Erika Coaglia
dc.contributor.authorRamos, Alfeu Saraiva [UNESP]
dc.contributor.authorSilva, Alexandra Nakano
dc.contributor.authorCaetano Lima, Filipe Tavares
dc.contributor.authorFilgueira, Marcello
dc.contributor.authorSalgado, L.
dc.contributor.authorAmbrozio, F.
dc.contributor.institutionUniv Fed Alfenas
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniv Vale Paraiba
dc.contributor.institutionUniv Estadual Norte Fluminese Darcy Ribeiro
dc.date.accessioned2020-12-10T19:30:47Z
dc.date.available2020-12-10T19:30:47Z
dc.date.issued2012-01-01
dc.description.abstractThis work presents the structural characterization of Ti-10Si-5B and Ti-20Si-10B (at-%) alloys produced by high-pressure assisted sintering. Sintering was performed in air at 1100 and 1200 degrees C for 60 s using pressure levels of 5 GPa. Structural evaluation of sintered samples was conducted by means of scanning electron microscopy and energy dispersive spectrometry. Samples were successfully consolidated after sintering, which presented theoretical density values higher than 99%. The microstructures of the sintered Ti-10Si-5B and Ti-20Si-10B alloys revealed the presence of the Ti-SS, TiB, TiB2, Ti5Si3, Ti5Si4, TiSi, and TiSi2. phases. A small amount of Ti6Si2B was formed after high-pressure assisted sintering of the Ti-20Si-10B alloy (5GPa, 1100 degrees C for 60 s) indicating that equilibrium structures were not achieved during short sintering times. No oxygen and carbon contamination was detected in structures of Ti-Si-B alloys after high-pressure sintering at 1100 and 1200 degrees C without controlled atmosphere.en
dc.description.affiliationUniv Fed Alfenas, Inst Ciencia & Tecnol, Campus Pocos de Caldas,Rodovia Jose Aurelio Vilel, BR-37715400 Pocos De Caldas, MG, Brazil
dc.description.affiliationUniv Estadual Paulista, Fac Engn Guaratingueta, Dept Mat Technol, BR-12506410 Guaratingueta, SP, Brazil
dc.description.affiliationUniv Vale Paraiba, Inst Pesquisa Desenvolvimento, BR-12244000 Sao Jose Dos Campos, SP, Brazil
dc.description.affiliationUniv Estadual Norte Fluminese Darcy Ribeiro, Ctr Ciencia Tecnol, BR-28013600 Goytacazes, RJ, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Fac Engn Guaratingueta, Dept Mat Technol, BR-12506410 Guaratingueta, SP, Brazil
dc.description.sponsorshipAlfeu Saraiva Ramos
dc.description.sponsorshipErika Coaglia Trindade Ramos
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipIdAlfeu Saraiva Ramos: 01/07025-1
dc.description.sponsorshipIdErika Coaglia Trindade Ramos: 99/09327-3
dc.format.extent462-+
dc.identifierhttp://dx.doi.org/10.4028/www.scientific.net/MSF.727-728.462
dc.identifier.citationAdvanced Powder Technology Viii, Pts 1 And 2. Durnten-zurich: Trans Tech Publications Ltd, v. 727-728, p. 462-+, 2012.
dc.identifier.doi10.4028/www.scientific.net/MSF.727-728.462
dc.identifier.issn0255-5476
dc.identifier.urihttp://hdl.handle.net/11449/196022
dc.identifier.wosWOS:000310714100082
dc.language.isoeng
dc.publisherTrans Tech Publications Ltd
dc.relation.ispartofAdvanced Powder Technology Viii, Pts 1 And 2
dc.sourceWeb of Science
dc.subjecttitanium alloys
dc.subjectelectron microscope
dc.subjectpowder metallurgy
dc.subjectsintering
dc.titleHigh-Pressure Assisted Sintering of Ti-20Si-10B and Ti-10Si-5B Powdersen
dc.typeTrabalho apresentado em evento
dcterms.rightsHolderTrans Tech Publications Ltd
dspace.entity.typePublication
unesp.departmentMateriais e Tecnologia - FEGpt

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Guaratinguetá - FEG - Faculdade de Engenharia e Ciências