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2 080 961

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C1

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IPC

(21) (22)

Application

94012068/02, 1994-04-07

(22)

Actual filing date

1994-04-07

(45)

Published

1997-06-10

(72)

Inventor

Krushenko G.G.Pinkin V.F.Troshkin B.I.Osinenko S.A.

(73)

Holder

Respublikanskij Inzhenerno-Tekhnicheskij Tsentr Po Vosstanovleniju I Uprochneniju Detalej Mashin I Mekhanizmov So Ran

METHOD OF MAKING WEAR-RESISTANT IRON CASTINGS Russian patent published in 1997 - IPC

Abstract RU 2080961 C1

FIELD: foundry, namely, production of castings of high - chrome iron. SUBSTANCE: method comprises steps of melting iron, modifying melt iron by ultrafine alumina powder in quantity 0.01-0.1 mass %. In addition after pouring melt to casting molds, solidification of castings and their removal out molds heat treatment such as quenching or annealing with subsequent quenching is realized. EFFECT: enhanced quality of castings. 2 cl, 1 tbl

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RU 2 080 961 C1

Authors

Krushenko G.G.

Pinkin V.F.

Troshkin B.I.

Osinenko S.A.

Dates

1997-06-10—Published

1994-04-07—Filed

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