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2 085 606

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C1

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IPC

(21) (22)

Application

95104616/02, 1995-03-28

(22)

Actual filing date

1995-03-28

(45)

Published

1997-07-27

(72)

Inventor

Nikiforov S.V.Golikova N.N.Ermakov A.V.Sivkov M.N.Timofeev N.I.Dmitriev V.A.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Zavod Po Obrabotke Tsvetnykh Metallov"

PLATINUM-BASED ALLOY Russian patent published in 1997 - IPC

Abstract RU 2085606 C1

FIELD: metallurgy of alloys: based on platinum group alloys, more specifically manufacture of jewelry. SUBSTANCE: claimed composition comprises palladium and yttrium, the ratio of components being as follows (wt%): 0.5-8.5 palladium; 0.5-2.5 rhenium; 0.01- 0.1 yttrium; and the platinum balance. Alloy also comprises yttrium microadditives, combined alloying of the alloy with yttrium and rhenium makes it possible to obtain high hardness of the alloy in cast state. The alloy has no gas babbles in the casting and has qualitative luster. EFFECT: improved properties of the alloy. 1 tbl

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RU 2 085 606 C1

Authors

Nikiforov S.V.

Golikova N.N.

Ermakov A.V.

Sivkov M.N.

Timofeev N.I.

Dmitriev V.A.

Dates

1997-07-27—Published

1995-03-28—Filed

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