| 申请日期 | 2025-07-07 | 申请号 | US12782052 |
| 公开（公告）号 | US7922967B2 | 公开（公告）日 | 2011-04-12 |
| 公开国别 | US | 申请人省市代码 | 全国 |
| 申请人 | Katsuyoshi Kondoh | ||
| 简介 | A high-strength and high-toughness magnesium based alloy contains, by weight, 1 to 8% rare earth element and 1 to 6% calcium and the maximum crystal grain diameter of magnesium constituting a matrix is not more than 30 μm. At least one intermetallic compound (6) of rare earth element and calcium has a maximum grain diameter of 20 μm or less and it is dispersed in a crystal grain boundary (5) and a crystal grain (4) of magnesium of the matrix. | ||
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