Molybdenum plasma spray powder, process for producing said powde

Details Molybdenum plasma spray powder, process for producing said powde Molybdenum plasma spray powder, process for producing said powde

1977-12-08

1979-03-27

Stallard, W.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 05BB, 75 05BC, 75252, B22F 900

Patent

active

041463889

ABSTRACT:
Plasma spray powders of molybdenum particles containing at least 0.5 weight percent oxygen and obtained by reacting molybdenum particles with oxygen or oxides in a plasma, form plasma spray coatings exhibiting hardnesses comparable to flame sprayed coatings formed from molybdenum wire and plasma coatings of molybdenum powder containing hardening alloy powders. Such oxygen rich molybdenum powders may be used to form wear resistant coatings, such as for piston rings.

REFERENCES:
patent: 3407057 (1968-10-01), Timmons
patent: 3890137 (1975-06-01), Beyer et al.
patent: 3909241 (1975-09-01), Cheney et al.
patent: 3960545 (1976-06-01), Port et al.
patent: 3973948 (1976-08-01), Laferty, Jr. et al.
patent: 4011073 (1977-03-01), Powers et al.

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