C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
75/1, 75/166
C22C 1/04 (2006.01) B22F 1/00 (2006.01) C22C 30/00 (2006.01) C22C 33/02 (2006.01)
Patent
CA 1173278
METAL BINDER IN COMPACTION OF METAL POWDERS ABSTRACT A method for improving the compaction characteristics of a substantially noncompactable metal powder comprising preparing a superalloy, for example, a nickel base alloy, minus a portion of at least one metal (i.e., 5 weight percent); atomizing the melt and milling it to a fine powder (i.e., about average Fisher size of 9.0 microns); blending an equal portion (i.e., about 5 weight percent) of, for example, carbonyl nickel into the milled powder; sinterbonding the mixture into a "cake" and then further processing as may be required to obtain the desired article. It is believed the "soft" carbonyl nickel acts as a binder for the prealloyed nickel-base alloy powder.
374521
Cabot Corporation
Marcoux & Sher Swabey Mitchell Houle
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