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MOLTEN SALT DE-OXYGENATION OF METAL POWDERS

  • US 20170113273A1
  • Filed: 12/02/2015
  • Published: 04/27/2017
  • Est. Priority Date: 12/02/2014
  • Status: Active Grant
First Claim
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1. A method of removing oxygen from a metal, comprising:

  • forming a mixture comprising a metal, a calcium de-oxygenation agent, and a salt;

    heating the mixture at a de-oxygenation temperature for a period of time in a controlled atmosphere to reduce an oxygen content of the metal to form a de-oxygenated metal, wherein the de-oxygenation temperature is above a melting point of the salt and below a melting point of the calcium de-oxygenation agent; and

    cooling the de-oxygenated metal.

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