| 摘要 |
FIELD: metallurgy. ^ SUBSTANCE: gold-base alloys can be used for production of coins. Proposed alloy contains the following components, in wt %: copper - 5.0-10.0, silver - 25.0-30.0, rhodium - 40.0-45.0, gold - 20.0-25.0. ^ EFFECT: higher strength. ^ 1 tbl |
