搜索结果: 1-1 共查到“金属矿开采 Gold alloy”相关记录1条 . 查询时间(0.1 秒)
The Development of a Novel Gold Alloy with 995 Fineness and Increased Hardness
Gold Alloy Hardness
2009/7/29
The mechanical properties and processing of a newly
developed ternary Au-Sb-Co alloy with 995 fineness are
discussed. The high gold content of this alloy (99.5 per
cent) facilitates marking as 24 c...