公开(公告)号：US12241145B2

公开(公告)日：2025-03-04

申请号：US17059460

申请日：2019-05-29

Applicant: BYD COMPANY LIMITED

Inventor： Qiang Guo ,  Yongliang Xie ,  Yunchun Li ,  Mengjue Liao

IPC: C22C21/02 ,  C22C1/02 ,  C22C1/03

Abstract: A die-cast aluminum alloy and a preparation method and application thereof are disclosed. Based on the total weight of the aluminum alloy, the aluminum alloy includes: 8-11 wt % of Si, 2.5-5 wt % of Cu, 0.5-1.5 wt % of Mg, 0.1-0.3 wt % of Ni, 0.6-1.2 wt % of Fe, 0.1-0.3 wt % of Cr, 0.03-0.05 wt % of Sr, 0-0.3 wt % of Er, 80.25-88.1 wt % of Al, and 0.1 wt % or below of impurities.

公开(公告)号：US12195830B2

公开(公告)日：2025-01-14

申请号：US17621500

申请日：2019-11-14

Applicant: BYD COMPANY LIMITED

Inventor： Yang Yang ,  Qiang Guo ,  Xiaodong Wang ,  Mengjue Liao

IPC: C22C21/02 ,  B22D21/04 ,  C22C1/02

Abstract: An aluminum alloy based on a total weight of the aluminum alloy, in percentages by weight, includes 9.12% of Si, 8-11% of Zn, 0.5-1.5% of Mg, 0.2-0.8% of Cu, 0-0.6% of Fe, 0.08-0.25% of Mn, 0-0.10% of Sr, 0-0.05% of Sc, 0-0.5% of Er, and 73.2-82.22% of Al.

公开(公告)号：US11274358B2

公开(公告)日：2022-03-15

申请号：US16626477

申请日：2018-04-25

Applicant: BYD COMPANY LIMITED

Inventor： Qiang Guo ,  Yongliang Xie ,  Mengjue Liao

IPC: C22C21/02 ,  B22D21/00 ,  C22C1/02 ,  C22C1/06

Abstract: An aluminum alloy and a preparation method thereof are provided. The aluminum alloy of the present disclosure includes, in percentage by weight, 8-10% of silicon, 0.2-0.4% of magnesium, 0-0.01% of manganese, 0-0.01% of titanium, 0.1-0.3% of iron, 0.02-0.06% of boron, 0.15-0.3% of cerium, and 88.92-91.53% of aluminum.