Method for preparing oxide coated microlamination particles

Details Method for preparing oxide coated microlamination particles Method for preparing oxide coated microlamination particles

1978-04-14

1979-06-19

Stallard, W.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

148 635, 148 16, 148105, H01F 109

Patent

active

041585615

ABSTRACT:
A method for preparing oxide coated microlaminations characterized by heating microlamination particles at a temperature of about 1375.degree. in an atmosphere having a dew point of 55.degree. to 85.degree. F. and an air-to-natural gas ratio of from about 10.5:1 to about 8:1 for a time sufficient to decarburize the particles to less than 0.005% carbon and to form on the particle surfaces an oxide coating having a thickness of from about 0.01 to about 0.10 mils.

REFERENCES:
patent: 2937964 (1960-05-01), Adams et al.
patent: 3235675 (1966-01-01), Blume
patent: 3255052 (1966-06-01), Opitz
patent: 3418710 (1968-12-01), Seidel et al.
patent: 3848331 (1974-11-01), Pavlik et al.
patent: 3948690 (1976-04-01), Pavlik et al.

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