Producing powder metallurgical parts using thermally...

Details Producing powder metallurgical parts using thermally... Producing powder metallurgical parts using thermally...

B - Operations, Transporting

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B22F 3/10 (2006.01) B22F 1/00 (2006.01) B22F 3/00 (2006.01)

Patent

CA 1073709

SPECIFICATION Roger L. Rueckl PRODUCTION OF POWDER METALLURGICAL PARTS BY FORMATION OF SINTERED PREFORMS IN THERMALLY DEGRADABLE MOLDS ABSTRACT OF THE DISCLOSURE Metal particles are intimately mixed with at least about 1.5 wt. percent of an organic binder, the mixture is poured into a thermally degradable mold and heated to above sintering temperature to form a preform useful for hot forging. The mold provides integrity for the packed particles until the organic compounds carbonize, which in turn effect sufficient bonding until the particles actually sinter together,

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