METHOD OF PRODUCTION OF CAST HIGH-TEMPERATURE ALLOYS ON NICKEL BASE Russian patent published in 1995 - IPC

Abstract SU 1584404 A1

FIELD: metallurgy. SUBSTANCE: charge materials preliminarily remelted in vacuum are refined by introduction of an oxygen, for example, nickel oxide into the melt, its amount stoichiometrically exceeding that which is necessary for oxidation of carbon to its dioxide by 2.0 to 8.5 times with subsequent deoxidation. A certain amount of nickel-calcium alloying composition is used as a deoxidizer. EFFECT: enhanced high-temperature strength due to reduction of carbon and reduction of cost. 3 cl, 1 tbl

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SU 1 584 404 A1

Authors

Sidorov V.V.

Mironov S.O.

Kuleshova E.A.

Jushkin M.P.

Kudlaev V.M.

Struev I.I.

Burtsev V.T.

Larionov V.N.

Dates

1995-01-27Published

1988-08-15Filed