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1 795 662

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IPC

(21) (22)

Application

4858714/02, 1990-08-10

(22)

Actual filing date

1990-08-10

(45)

Published

1995-11-10

(72)

Inventor

Izmajlov V.A.Fridljanskij R.M.Orlova L.M.Slamatin V.I.Nikol'Skij L.A.Gutov V.A.Chuvashov Ju.N.Suvorov A.I.V'Jugin L.F.Eremin O.S.

COPPER ALLOY MELTING FLUX Russian patent published in 1995 - IPC

Abstract SU 1795662 A1

FIELD: nonferrous metallurgy. SUBSTANCE: flux for melting copper alloys, preferably chromic bronzes, contains calcium fluoride, sodium fluoride and melted sodium borates with the following ratio of components, % by weight: melted sodium borates 30-60; calcium fluoride 12-41; sodium fluoride the balance. Sodium oxide-borate oxide ratio in sodium borates is 0.22-0.45 and sodium fluoride-calcium fluoride ratio is 0.7-2.3. Flux efficiently absorbs chromium oxides, which results in reduced metal loss in the process of melting. EFFECT: increased element assimilation extent and reduced metal loss in the process of melting. 1 tbl

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SU 1 795 662 A1

Authors

Izmajlov V.A.

Fridljanskij R.M.

Orlova L.M.

Slamatin V.I.

Nikol'Skij L.A.

Gutov V.A.

Chuvashov Ju.N.

Suvorov A.I.

V'Jugin L.F.

Eremin O.S.

Dates

1995-11-10—Published

1990-08-10—Filed