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US 12,624,423 B2Granted
Aluminum alloy and preparation method thereof, and aluminum alloy structural member
AssigneeBYD Company Limited
InventorsQiang Guo, Mengmeng Cao, Quanyu Gong
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Abstract
An aluminum alloy is provided. Based on the total weight of the aluminum alloy, in percentage by weight, the aluminum alloy includes: 11-15% of Zn; 7.5-9% of Si; 1.2-2% of Cu; 0.3-0.5% of Mn; 0.05-0.3% of Mg; 0.1-0.2% of Ni; 0.001-0.04% of Sr; 0.05-0.3% of Ti; 0.01-0.15% of Fe; and 72.51-79.79% of Al.
Claims20
An aluminum alloy, wherein based on a total weight of the aluminum alloy, in percentage by weight, the aluminum alloy comprises:
- 11-15% of Zn;
- 7.5-9% of Si;
- 1.2-2% of Cu;
- 0.3-0.5% of Mn;
- 0.05-0.3% of Mg;
- 0.1-0.2% of Ni;
- 0.001-0.04% of Sr;
- 0.05-0.3% of Ti;
- 0.01-0.15% of Fe;
- and
- 72.51-79.79% of Al,
- wherein the aluminum alloy has a yield strength greater than or equal to 240 MPa, a tensile strength greater than or equal to 390 MPa, an elongation greater than or equal to 4%, and a fluidity in die casting greater than or equal to 1700 mm.
9 more elements
Dependencies are inferred from the claim text.