JEWELRY ALLOY OF WHITE COLOR ON BASIS OF PALLADIUM Russian patent published in 2009 - IPC C22C5/04 

Abstract RU 2349659 C1

FIELD: metallurgy.

SUBSTANCE: jewelry alloy of white color on the basis of palladium contains components in a following ratio, wt %: palladium - 90.0-95.5, cobalt - 3.0-7.0, iridium - 0.03-0.5, copper - the rest. Invention is directed to creation of alloy for manufacturing of products of 950 and 900 hallmarks by method of micro- investment casting.

EFFECT: reduction of alloy hardness.

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RU 2 349 659 C1

Authors

Efimov Valerij Nikolaevich

Mamonov Sergej Nikolaevich

El'Tsin Sergej Ivanovich

Shul'Gin Dmitrij Romanovich

Dates

2009-03-20Published

2007-08-08Filed