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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, Alexandro Nakano
dc.contributor.authorCaetano Lima, Filipe Tavares
dc.contributor.authorFilgueira, Marcello
dc.contributor.institutionInstituto de Ciência e Tecnologia
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionInstituto de Pesquisa e Desenvolvimento
dc.contributor.institutionCentro de Ciência e Tecnologia
dc.date.accessioned2014-05-27T11:27:10Z
dc.date.available2014-05-27T11:27:10Z
dc.date.issued2012-11-26
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°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 TiSS, 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°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°C without controlled atmosphere. © (2012) Trans Tech Publications, Switzerland.en
dc.description.affiliationUniversidade Federal de Alfenas Campus de Poços de Caldas Instituto de Ciência e Tecnologia, Rodovia José Aurélio Vilela 11999, Poços de Caldas-MG 37715-400
dc.description.affiliationUniversidade Estadual Paulista Faculdade de Engenharia de Guaratinguetá Departamento de Materiais e Tecnologia, Av. Ariberto Pereira da Cunha 333, Guaratinguetá-SP 12506-410
dc.description.affiliationUniversidade do Vale do Paraíba Instituto de Pesquisa e Desenvolvimento, Av. Shishima Hifumi 2911, São José dos Campos-SP 12244-000
dc.description.affiliationUniversidade Estadual do Norte Fluminense Darcy Ribeiro Centro de Ciência e Tecnologia, Av. Alberto Lamego 2000, Campos de Goytacazes-RJ 28013-600
dc.description.affiliationUnespUniversidade Estadual Paulista Faculdade de Engenharia de Guaratinguetá Departamento de Materiais e Tecnologia, Av. Ariberto Pereira da Cunha 333, Guaratinguetá-SP 12506-410
dc.format.extent462-467
dc.identifierhttp://dx.doi.org/10.4028/www.scientific.net/MSF.727-728.3462
dc.identifier.citationMaterials Science Forum, v. 727-728, p. 462-467.
dc.identifier.doi10.4028/www.scientific.net/MSF.727-728.3462
dc.identifier.issn0255-5476
dc.identifier.scopus2-s2.0-84869450611
dc.identifier.urihttp://hdl.handle.net/11449/73759
dc.language.isoeng
dc.relation.ispartofMaterials Science Forum
dc.relation.ispartofsjr0,180
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectElectron microscope
dc.subjectPowder metallurgy
dc.subjectSintering
dc.subjectTitanium alloys
dc.subjectCarbon contamination
dc.subjectEnergy dispersive spectrometry
dc.subjectEquilibrium structures
dc.subjectHigh pressure sintering
dc.subjectPressure level
dc.subjectSintered samples
dc.subjectStructural characterization
dc.subjectStructural evaluation
dc.subjectTheoretical density
dc.subjectAlloys
dc.subjectElectron microscopes
dc.subjectScanning electron microscopy
dc.subjectSilicon
dc.subjectTitanium compounds
dc.titleHigh-pressure assisted sintering of Ti-20Si-10B and Ti-10Si-5B powdersen
dc.typeTrabalho apresentado em evento
dcterms.licensehttp://www.ttp.net/Downloads.html
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Engenharia, Guaratinguetápt
unesp.departmentMateriais e Tecnologia - FEGpt

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Guaratinguetá - FEG - Faculdade de Engenharia e Ciências