FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy and is to be used for fabrication of coins and jewellery. The alloy has the following composition, wt %: gold - 44.0-48.0%; silver - 42.0-44.0%; indium - 2.0-3.0%; iridium - 2.0-3.0%; aluminium - 5.0-7.0%. Ultimate tensile strength of the alloy is equal to approximately 60 kgf/mm2.
EFFECT: improvement of the alloy strength.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| ALLOY ON BASIS OF AURUM | 2008 |
|
RU2361942C1 |
| ALLOY ON BASIS OF GOLD | 2008 |
|
RU2371499C1 |
| ALLOY ON GOLD BASE | 2009 |
|
RU2399689C1 |
| GOLD-BASED ALLOY | 2012 |
|
RU2501875C1 |
| GOLD-BASED ALLOY | 2012 |
|
RU2501877C1 |
| GOLD-BASE ALLOY | 2008 |
|
RU2365654C1 |
| ALLOY ON BASE OF GOLD | 2007 |
|
RU2335557C1 |
| GOLD-BASED ALLOY | 2012 |
|
RU2501876C1 |
| GOLD-BASED ALLOY | 2012 |
|
RU2501879C1 |
| GOLD-BASED ALLOY | 2014 |
|
RU2550437C1 |
