Preparation of Ni-Ti-Mo and Ni-Ti-Mo-Zr Alloys by High-Energy Ball Milling and Subsequent Hot Pressing

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dc.contributor.authorCortez Pereira, Gilda Maria [UNESP]
dc.contributor.authorde Souza, Marisa Aparecida [UNESP]
dc.contributor.authorHashimoto, Tomaz Manabu [UNESP]
dc.contributor.authorRodrigues Henriques, Vinicius Andre
dc.contributor.authorRamos, Alfeu Saraiva [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:28:14Z
dc.date.available2014-05-20T13:28:14Z
dc.date.issued2012-01-01
dc.description.abstractThis work discusses on the preparation of Ni-45Ti-5Mo, Ni-40Ti-10Mo and Ni-46Ti-2Mo-2Zr (at-%) alloys by high-energy ball milling and hot pressing, which are potentially attractive for dental and medical applications. The milling process was performed in stainless steel balls (19mm diameter) and vials (225 mL) using a rotary speed of 300rpm and a ball-to-powder weight ratio of 10:1. Hot pressing under vacuum was performed in a BN-coated graphite crucible at 900 degrees C for 1 h using a load of 20 MPa. The milled and hot-pressed materials were characterized by X-ray diffraction, electron scanning microscopy, and electron dispersive spectrometry. Peaks of B2-NiTi and Ni4Ti3 were identified in XRD patterns of Ni-45Ti-5Mo, Ni-40Ti-10Mo and Ni-46Ti-2Mo-2Zr powders milled for 1h. The NiTi compound dissolved small Mo amounts lower than 4 at%, which were measured by EDS analysis. Moreover, it was identified the existence of an unknown Mo-rich phase in microstructures of the hot-pressed Ni-Ti-Mo alloys.en
dc.description.affiliationUniv Estadual Paulista, Dept Mat & Tecnol, BR-12516410 Guaratingueta, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Mat & Tecnol, BR-12516410 Guaratingueta, SP, Brazil
dc.format.extent233-238
dc.identifierhttp://dx.doi.org/10.4028/www.scientific.net/MSF.727-728.233
dc.identifier.citationAdvanced Powder Technology Viii, Pts 1 and 2. Stafa-zurich: Trans Tech Publications Ltd, v. 727-728, p. 233-238, 2012.
dc.identifier.doi10.4028/www.scientific.net/MSF.727-728.233
dc.identifier.issn0255-5476
dc.identifier.lattes1868573083430307
dc.identifier.urihttp://hdl.handle.net/11449/9380
dc.identifier.wosWOS:000310714100042
dc.language.isoeng
dc.publisherTrans Tech Publications Ltd
dc.relation.ispartofAdvanced Powder Technology Viii, Pts 1 and 2
dc.relation.ispartofsjr0,180
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectamorphousen
dc.subjectmechanical alloyingen
dc.subjectnickel alloysen
dc.subjectnitinolen
dc.titlePreparation of Ni-Ti-Mo and Ni-Ti-Mo-Zr Alloys by High-Energy Ball Milling and Subsequent Hot Pressingen
dc.typeTrabalho apresentado em evento
dcterms.rightsHolderTrans Tech Publications Ltd
unesp.author.lattes1868573083430307
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