METHOD OF MAKING HEAT-RESISTANT ALLOY PELLETS Russian patent published in 2012 - IPC B22F9/14 B22F9/08 

Abstract RU 2468891 C1

FIELD: process engineering.

SUBSTANCE: invention relates to powder metallurgy, particularly, to production of metal pellets. Pellets are produced by plasma melting and centrifugal spraying in fusing the end 7 of revolving blank 1 by plasma jet 3 from plasmatron 4 in atmosphere of inert gas or mix of gases. Plasmatron is mounted with its axis offset relative to blank revolution axis to allow uniform and complete heating of blank end. Torus-like rim 2 of melt is formed on blank edge wherefrom melt drops are torn off by gravity to get crystallised to make equal-size pellets.

EFFECT: more accurate sizes, higher yield.

2 dwg, 1 tbl, 1 ex

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RU 2 468 891 C1

Authors

Garibov Genrikh Sarkisovich

Koshelev Viktor Jakovlevich

Sukhov Dmitrij Igorevich

Dates

2012-12-10Published

2011-11-18Filed