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		<doi>10.4028/www.scientific.net/MSF.727-728.287</doi>
		<issn>0255-5476</issn>
		<label>lattes: 7375576563586744 2 OliveiraFátFerUed:2012:PhAnTi</label>
		<citationkey>OliveiraFátFerUedRam:2012:PhAnTi</citationkey>
		<title>Physicochemical Analysis of Ti-Si-B Powder Alloys</title>
		<year>2012</year>
		<secondarytype>PRE PI</secondarytype>
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		<author>Oliveira, Guilherme,</author>
		<author>Fátima Magalhães Mariano, Samantha,</author>
		<author>Fernandes, Bruno Bacci,</author>
		<author>Ueda, Mario,</author>
		<author>Ramos, A. S,</author>
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		<group>LAP-CTE-INPE-MCTI-GOV-BR</group>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>ETEP Faculdades, Av. Barão do Rio Branco, CP 116 12600-970 São José dos Campos SP, Brazil</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Universidade Estadual Paulista Julio de Mesquita Filho, FEG/UNESP, Av. Ariberto Pereira da Cunha 333, 12516-410 Guaratinguetá SP, Brazil</affiliation>
		<electronicmailaddress></electronicmailaddress>
		<electronicmailaddress>samantha.magalhaes@plasma.inpe.br</electronicmailaddress>
		<e-mailaddress>samantha.magalhaes@plasma.inpe.br</e-mailaddress>
		<journal>Materials Science Forum. Advanced Powder Technology VIII Book Series</journal>
		<volume>727-728</volume>
		<pages>287-292</pages>
		<secondarymark>C_ASTRONOMIA_/_FÍSICA B5_ECOLOGIA_E_MEIO_AMBIENTE B1_ENGENHARIAS_I B2_ENGENHARIAS_II B5_ENGENHARIAS_III B1_INTERDISCIPLINAR B2_MATERIAIS B5_MEDICINA_I B3_MEDICINA_II B1_ODONTOLOGIA C_QUÍMICA</secondarymark>
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		<keywords>Titanium alloys, high energy ball milling, sintering.</keywords>
		<abstract>Titanium alloys of Ti-Si-B system were manufactured by blended elemental powder method using Ti, Si and B powders as starting materials. It was found that uniaxial and isostatic pressing followed by hot pressing at around 1000°C, for 20 minutes, provided good densification of such alloys. The physicochemical studies were performed by means of scanning electron microscopy, X-ray diffraction, atomic force microscopy and microindentation/wear tests. The investigations revealed a multiphase microstructure formed mainly by &#945;-titanium, Ti 6Si 2B, Ti 5Si 3, TiB and Ti 3Si phases. The phase transformations after pressureless sintering at 1200°C was also studied by X-ray diffraction for the Ti-18Si-6B composition. As stated in some other researches, these intermetallics in the &#945;-titanium matrix provide high wear resistance and hardness, with the best wear rate of 0.2 mm 3/N.m and the highest hardness of around 1300 HV.</abstract>
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