Powder mixture or composite powder, a method for production thereof and the use thereof in composite materials
    3.
    发明授权
    Powder mixture or composite powder, a method for production thereof and the use thereof in composite materials 失效
    粉末混合物或复合粉末,其制备方法及其在复合材料中的应用

    公开(公告)号:US06887296B2

    公开(公告)日:2005-05-03

    申请号:US10168272

    申请日:2000-12-11

    摘要: A process is described for the preparation of powder mixtures or composite powders from at least one first type of powder from the group consisting of high-melting metals, hard materials and ceramic powders and at least one second type of powder from the group consisting of binder metals, binder-metal mixed crystals and binder-metal alloys, where the second type of powder is formed from precursor compounds in the form of water-soluble salts in an aqueous suspension of the first type of powder by precipitation as oxalate, removal of the mother liquor and reduction to the metal.

    摘要翻译: 描述了用于从至少一种第一类型的粉末制备粉末混合物或复合粉末的方法,所述粉末混合物或复合粉末由高熔点金属,硬质材料和陶瓷粉末组成的组和至少一种第二类型的粉末组成,所述组由粘合剂 金属,粘合剂 - 金属混合晶体和粘合剂 - 金属合金,其中第二类粉末由水溶性盐形式的前体化合物在第一类粉末的水性悬浮液中通过作为草酸盐的沉淀形成,除去 母液和金属还原。