Method for coating an iron-carbon-prealloyed powder with a...

Details Method for coating an iron-carbon-prealloyed powder with a... Method for coating an iron-carbon-prealloyed powder with a...

C - Chemistry, Metallurgy

22

C

204/11, 117/47.6

C22C 1/04 (2006.01) B22F 1/02 (2006.01)

Patent

CA 1085686

MASTER ALLOY PRECONDITIONING ABSTRACT OF THE DISCLOSURE An iron-carbon-pre-alloyed powder containing manganese, chromium, molybdenum, nickel, copper and/or vanadium in quantities up to 20% by weight is precondition- ed by first sizing the powder to a particle size of -100 mesh and then substantially enveloping each particle of the powder with a metal, such as, copper, silver or platinum, effective to act as a barrier to carbon diffusion in the solid state condition. The coating on the master alloy controls carbon diffusion during liquid phase sintering with a base metal powder. - 1 -

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