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1. 发明申请

WO2014068267A1 PRODUCTION OF POWDER FOR POWDER METALLURGY 审中-公开
标题翻译：粉末冶金用粉末的生产
公开(公告)号：WO2014068267A1
公开(公告)日：2014-05-08
申请号：PCT/GB2013000463
申请日：2013-10-31
申请人： METALYSIS LTD
发明人： RAO KARTIK , GRAINGER LUCY , DEANE JAMES , CLIFFORD JOHN , MELLOR IAN
IPC分类号： B22F9/20 , C25C3/26 , C25C3/28
CPC分类号： B22F9/20 , B22F1/0014 , C25C5/04 , C25C7/005
摘要： A method is provided for producing a metal powder suitable for a powder metallurgy process. The method involves steps of identifying a first set of powder size characteristics that define a metal powder suitable for use in a powder metallurgy process, obtaining a non-metallic powder comprising a plurality of non-metallic particles, selecting a fraction of the non-metallic particles having a second set of powder size characteristics, and reducing the selected fraction of non-metallic particles to a metal powder. The metal powder formed by the reduction has powder size characteristics approximating the first set of powder size characteristics and is suitable for use in the powder metallurgy process. The method preferably allows the reduction of a non-metallic feedstock directly to a powder having desired powder size characteristics, such as a desired particle size distribution, for use in a powder metallurgy process without need for any further processing.
摘要翻译：提供了一种用于生产适用于粉末冶金过程的金属粉末的方法。该方法包括以下步骤：识别限定适用于粉末冶金过程的金属粉末的第一组粉末尺寸特征;获得包含多种非金属颗粒的非金属粉末;选择一部分非金属粉末具有第二组粉末尺寸特征的颗粒，并且将所选部分的非金属颗粒还原成金属粉末。通过还原形成的金属粉末具有接近第一组粉末尺寸特征的粉末尺寸特性，并且适用于粉末冶金过程。该方法优选允许将非金属原料直接还原成具有期望的粉末尺寸特性（例如期望的粒度分布）的粉末，用于粉末冶金过程而不需要任何进一步处理。

2. 发明申请

WO2013050772A3 ELECTROLYTIC PRODUCTION OF POWDER 审中-公开
标题翻译：电解生产粉末
公开(公告)号：WO2013050772A3
公开(公告)日：2013-05-30
申请号：PCT/GB2012052464
申请日：2012-10-04
申请人： METALYSIS LTD
发明人： RAO KARTIK , DEANE JAMES , GRAINGER LUCY , CLIFFORD JOHN , CONTI MELCHIORRE , COLLINS JAMES
IPC分类号： C25C5/04
CPC分类号： C25C3/28 , C25C5/04 , C25C7/025
摘要： A method of producing metallic powder comprises steps of arranging a volume of feedstock comprising a plurality of non-metallic particles within an electrolysis cell, causing a molten salt to flow through the volume of feedstock, and applying a potential between a cathode and an anode such that the feedstock is reduced to metal. In preferred embodiments the feedstock is a plurality of discrete powder particles and these particles are reduced to a corresponding plurality of discrete metallic particles. In advantageous embodiments the feedstock may be sand.
摘要翻译：一种生产金属粉末的方法包括以下步骤：在电解槽内将包含多个非金属颗粒的原料的体积排列，使熔融盐流过原料体积，并在阴极和阳极之间施加电势，原料被还原成金属。在优选实施方案中，原料是多个离散的粉末颗粒，并且这些颗粒被还原成相应的多个离散的金属颗粒。在有利的实施方案中，原料可以是砂。

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