Ni-coated ti powders

申请公布号：US2006162493(A1)

申请号：US20050527441

申请日期：2005.07.20

申请公布日期：2006.07.27

发明人：YUAN DING;AMINIAN HOSSEIN

分类号：C22C5/00;A61F2/00;A61F2/30;A61L27/06;A61L27/30;B22F1/02;B22F3/11;B22F3/23;B22F9/24;B22F9/26;C22C1/04

主分类号：C22C5/00

摘要：The present invention relates to coated powder, comprising a Ti-bearing core and a Ni-bearing coating, which can be used for the production of porous Ni-Ti articles by the self-propagating high temperature synthesis (SHS) method. The obtained articles are ideally suited for use in biomedical applications. According to the invention, a coated powder is used comprising a metallic Ti-bearing core and a metallic Ni-bearing coating, characterised by a Ni:Ti atomic ratio of more than 0.5, preferably between 0.9 and 1.1, and more preferably between 0.96 and 1.04. By using coated powders, local fluctuations in composition are limited and well under control. Milling of powders and the ensuing contamination risks are avoided. The sintered objects obtained using coated powders have a more homogeneous porosity than that using mixed Ni and Ti powders.

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METODO PARA LA PREPARACION DE EMULSIONES DE HIDROCARBUROS VISCOSOS EN AGUA.

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