METHOD OF PRODUCING REFRACTORY MATERIAL POWDER AND DEVICE TO THIS END

METHOD OF PRODUCING REFRACTORY MATERIAL POWDER AND DEVICE TO THIS END

  • CN 105,731,462 A
  • Filed: 05/18/2011
  • Published: 07/06/2016
  • Est. Priority Date: 05/18/2010
  • Status: Active Application
First Claim
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1. the method for preparing the globular powder with tungsten carbide, said method comprising the steps of:

  • A) providing bin, this bin includes rotatable crucible;

    B) material is added in described rotatable crucible;

    C) fusing material, wherein utilizes plasma arc to be discharged to and is partially heated;

    D) rotate crucible, being atomized melt under the influence of centrifugal force, thus forming liquid microdroplet, cooling down microdroplet subsequently, thus obtaining powder,It is characterized in that;

    The material added in described rotatable crucible is heated to the 40% to 80% of its fusion temperature before adding crucible.

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