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

Abstract RU 2356969 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to metallurgy, particularly to alloys compound on the basis of gold for manufacturing of fine mechanics details, watchcases, coins. For hardening of alloy it allows following compound, wt %: gold 58.0-59.0; silver 26.0-28.0; boron 0.06-0.08; zinc 0.8-1.2; palladium 4.0-6.0; germanium 0.01-0.03; copper- the rest. Alloy is described by ultimate tensile strength, equal to 63 - 65 kg/mm2.

EFFECT: alloy hardening.

1 tbl

Similar patents RU2356969C1

Title Year Author Number
GOLD-BASED ALLOY 2009
  • Shchepochkina Julija Alekseevna
RU2400553C1
ALLOY ON BASE OF GOLD 2006
  • Shchepochkina Julija Alekseevna
RU2331682C1
ALLOY ON BASE OF GOLD 2008
  • Shchepochkina Julija Alekseevna
RU2366739C1
ALLOY ON BASIS OF GOLD 2008
  • Shchepochkina Julija Alekseevna
RU2382096C1
GOLD-BASED ALLOY 2009
  • Shchepochkina Julija Alekseevna
RU2391424C1
ALLOY ON BASIS OF GILT COPPER 2008
  • Shchepochkina Julija Alekseevna
RU2356974C1
COPPER-BASED ALLOY 2012
  • Shchepochkina Julija Alekseevna
RU2486270C1
ALLOY ON BASIS OF AURUM 2008
  • Shchepochkina Julija Alekseevna
RU2361942C1
GOLD ALLOY 2006
  • Shchepochkina Julija Alekseevna
RU2320742C1
GOLD-BASE ALLOY 1992
  • Shchepochkina Julija Alekseevna
RU2012606C1

RU 2 356 969 C1

Authors

Shchepochkina Julija Alekseevna

Dates

2009-05-27Published

2008-02-01Filed