Die-casting aluminum alloy without heat-treatment and preparation method and application thereof
AssigneeXiaomi EV Technology Co., Ltd.
InventorsXinxing Wu, Dong Yang, Yongchang Bai
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Abstract
A die-casting aluminum alloy without heat-treatment and a preparation method and application thereof. Based on a total weight of the die-casting aluminum alloy, the die-casting aluminum alloy includes: 6.0 to 8.0 wt % of Si; 0.3 to 1.2 wt % of Mg; 0.4 to 0.8 wt % of Cu; 0.1 to 0.3 wt % of Fe; 0.6 to 0.8 wt % of Mn; 0.05 to 0.20 wt % of Ti; 0.03 to 0.07 wt % of Sr; 0.03 to 0.07 wt % of Ce; 0.01 to 0.04 wt % of La; 0.01 to 0.1 wt % of Zr; less than or equal to 0.01 wt % of other impurity elements; and a balance of Al.
Claims20
An aluminum alloy, based on total weight of the aluminum alloy, the aluminum alloy comprising:
- 6.0 to 8.0 wt % of Si;
- 0.3 to 1.2 wt % of Mg;
- 0.4 to 0.8wt % of Cu;
- 0.1 to 0.3 wt % of Fe;
- 0.6 to 0.8 wt % of Mn;
- 0.05 to 0.20 wt % of Ti;
- 0.03 to 0.07 wt % of Sr;
- 0.03 to 0.07 wt % of Ce;
- 0.01 to 0.04 wt % of La;
- 0.01 to 0.1 wt % of Zr;
- less than or equal to 0.01 wt % of other impurity elements;
- and
- a balance of Al.
A structural part of an automobile body, comprising an aluminum alloy, wherein the aluminum alloy comprises:
- 6.0 to 8.0 wt % of Si;
- 0.3 to 1.2 wt % of Mg;
- 0.4 to 0.8 wt % of Cu;
- 0.1 to 0.3 wt % of Fe;
- 0.6 to 0.8 wt % of Mn;
- 0.05 to 0.20 wt % of Ti;
- 0.03 to 0.07 wt % of Sr;
- 0.03 to 0.07 wt % of Ce;
- 0.01 to 0.04 wt % of La;
- 0.01 to 0.1 wt % of Zr;
- less than or equal to 0.01 wt % of other impurity elements;
- and
- a balance of Al.
Dependencies are inferred from the claim text.