ALLOY ON BASIS OF GOLD Russian patent published in 2009 - IPC C22C5/02 

Abstract RU 2356970 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to metallurgy and can be used in jewellery industry, and also during manufacturing of fine mechanics details. For hardening of alloy it allows following composition, wt %: copper 5.0 - 10.0; nickel 30.0 - 35.0; silver 4.0 - 9.0; gold 50.0 - 55.0; rhenium 0.5 - 1.0. Alloy hardness is 215 - 220 HV.

EFFECT: hardening of alloy.

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RU 2 356 970 C1

Authors

Shchepochkina Julija Alekseevna

Dates

2009-05-27Published

2008-02-01Filed