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Descripción
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| This work focuses on the evaluation of modified surfaces on Ti produced by powder metallurgy. These newly designed surface modifications are achieved by deposition and diffusion of a stable aqueous suspension prepared in one case from micro-sized Nb powder (Ti ?-stabilizer element) and in another case from Nb plus the addition of ammonium chloride, NH4Cl, (thermo-reactive diffusion process). Different design parameters such as diffusion element (Nb or Mo), state of the Ti substrate (green or sintered) and the treatment process (diffusion or thermo-reactive diffusion) lead to all the surface-modified materials, GreenTi?Nb, SintTi? Nb and Ti?NbNH4Cl, GreenTi?Mo, SintTi?Mo and Ti?MoNH4Cl. The modified Ti surfaces present a gradient in composition and microstructure (? / ?+? / ? phases) resulting in an improvement in some of their mechanical properties: (1) higher micro-hardness in all the modified materials and (2) lower elastic modulus (more similar to that of the human bone) in those without NH4Cl. | |
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Internacional
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Si |
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JCR del ISI
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Si |
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Título de la revista
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Powder Metallurgy |
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ISSN
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0032-5899 |
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Factor de impacto JCR
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0,779 |
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Información de impacto
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Datos JCR del año 2016 |
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Volumen
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DOI
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10.1080/00325899.2018.1426185 |
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Número de revista
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- |
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1 |
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10 |
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DICIEMBRE |
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