Iron-base mixed powders and processes for production of...

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B - Operations, Transporting

22

F

B22F 3/02 (2006.01) B22F 1/00 (2006.01) C22C 33/02 (2006.01) C22C 38/00 (2006.01)

Patent

CA 2642254

An iron-base mixed powder for powder metallurgy which comprises an iron-base powder and at least one member selected from between talc and steatite and preferably further contains a metal soap.This mixed powder does not produce adverse effect on furnace atmosphere in sintering a compact of the powder and exhibits excellent compactibility even in a low-temperature region of below 100°C and the sintered compact made from the powder is favorably excellent in machinability.

L'invention concerne une poudre mélangée à base de fer destinée à la métallurgie des poudres et comprenant une poudre à base de fer et au moins un autre élément choisi entre le talc et la stéatite et contenant de préférence en outre un savon métallique. Ladite poudre mélangée ne produit pas d'effet défavorable sur l'atmosphère du four lors du frittage d'un produit compacté de ladite poudre et présente une excellente aptitude au compactage même dans une zone de basses températures inférieures à 100°C, et le produit compacté fritté obtenu à partir de ladite poudre présente l'avantage d'une excellente usinabilité.

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