| 发明名称 | Automobile suspension part | ||
| 摘要 | A lightweight automobile suspension part having high strength is an aluminum alloy automobile suspension part having a through-hole, which has a yield strength of a normal section as a region where a crystal grain is not coarsened being 270 MPa or larger, and a minimum length between a rib end as a predetermined region on a side of the through-hole in a rib and a through-hole end as a predetermined region on a side of the through-hole in a web is 6 mm or larger. | ||
| 申请公布号 | US8961714(B2) | 申请公布日期 | 2015.02.24 |
| 申请号 | US201113043011 | 申请日期 | 2011.03.08 |
| 申请人 | Kobe Steel, Ltd. | 发明人 | Sakamoto Shogo;Inagaki Yoshiya |
| 分类号 | C22C21/08;B60G9/00 | 主分类号 | C22C21/08 |
| 代理机构 | Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P. | 代理人 | Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P. |
| 主权项 | 1. An aluminum alloy automobile suspension part formed by forging, and comprising a rib, a web formed at an end of the rib, and a through-hole in the web, wherein a coarsened recrystallized section with a recrystallization ratio of >10% does not occur in the rib, wherein the rib is part of a normal section where a recrystallization ratio is ≦10%, a yield strength of said normal section is 270 MPa or larger, and a minimum length between a rib end and a through-hole end is 6 mm or larger. | ||
| 地址 | Kobe-shi JP | ||