Method for the production of highly pure metallic nano-powders and nano-powders produced thereby

Method for the production of highly pure metallic nano-powders and nano-powders produced thereby

  • CN 1,662,331 A
  • Filed: 06/19/2003
  • Published: 08/31/2005
  • Est. Priority Date: 06/19/2002
  • Status: Active Application
First Claim
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1. method of making first metal or another multiple nano metal powder comprises:

  • I. form the alloy that contains described first metal or more than first kind of metal and another kind of at least second soluble metal;

    Ii. carry out the heat treatment first time, form uniform alloy;

    Iii. this uniform alloy is carried out cold working, form thin slice;

    Iv. this alloy is carried out the heat treatment second time, up to the phase composition that obtains predetermined properties;

    V. with a kind of digestion agent described alloy is handled, effectively lixiviate goes out this at least a soluble metal;

    Vi. filter and clean the gained powder;

    Vii. dry this powder;

    Viii. apply this powder with chemical reagent;

    Ix. the powder that this process is applied is separated the reunionization processing.

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