METHOD FOR MAKING POWDERS OF REFRACTORY COMPOUNDS Russian patent published in 2001 - IPC

Abstract RU 2161548 C2

FIELD: powder metallurgy, possibly manufacture of wide range of powders with such properties as refractoriness, high- temperature strength, heat resistance, wear resistance, corrosion resistance and so on. SUBSTANCE: method comprises steps of making exothermic mixture in mode of self-propagation high-temperature synthesis at directed filtration of additive gases. Exothermic mixture is preliminarily pelletized; synthesis is performed in half-closed reactor with use of carbon, boron, silicium as non- metal components. EFFECT: enhanced efficiency, less loss of yield, reduced pressure in microwave reactor, lowered labor consumption of manufacturing process. 4 cl, 3 tbl, 3 dwg, 1 ex

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RU 2 161 548 C2

Authors

Amosov A.P.

Zakamov D.V.

Makarenko A.G.

Okunev A.B.

Samboruk A.R.

Sepljarskij B.S.

Dates

2001-01-10Published

1998-01-05Filed