Method of preparing powders for hard materials from APT and solu

Details Method of preparing powders for hard materials from APT and solu Method of preparing powders for hard materials from APT and solu

1995-06-05

1997-08-19

Wyszomierski, George

Metal treatment

Process of modifying or maintaining internal physical...

Carburizing or nitriding using externally supplied carbon or...

75351, 75361, B22F 924

Patent

active

056583958

ABSTRACT:
According to the present invention there is now provided a method for preparing a powder containing W and Co and/or Ni characterized in reacting APT and a soluble salt of Co (Ni) in water at temperatures from room temperature to the boiling point of the solution keeping the solution pH at a constant level during the chemical reactions. The powder is filtered off, dried and reduced to a metallic powder which may be further carburized to form a powder containing WC and Co and/or Ni.

REFERENCES:
patent: 3440035 (1969-04-01), Iwase et al.
patent: 4765951 (1988-08-01), Kemp
patent: 4800064 (1989-01-01), Kemp et al.

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