HARD ALLOY POWDER PRODUCTION PROCESS Russian patent published in 2006 - IPC B22F9/04 B22F1/00 

Abstract RU 2281835 C2

FIELD: powder metallurgy.

SUBSTANCE: process for producing powder of hard alloy consisting of components of hard material, metallic binder and additive insoluble in water and promoting compaction comprises steps of drying aqueous suspension containing above mentioned ingredients. In order to prepare such suspension, at first components of hard material and metallic binder are ground in water for producing suspension. Additive promoting compaction is mixed with emulsifying agent while adding water for producing emulsion. The prepared suspension and prepared emulsion are mixed one to other.

EFFECT: improved ecology of process, prevention of sticking of powder particles.

10 cl, 3 dwg, 1 ex

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RU 2 281 835 C2

Authors

Knjunts Gerkhard

Bajrer Khel'Mut

Lakner Andreas

Glettsle Vol'Fgang

Khartl'Majr Ehrvin

Dates

2006-08-20Published

2002-03-08Filed