公开(公告)号：US20220349033A1

公开(公告)日：2022-11-03

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 ,  C22C1/02 ,  B22D21/04

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：US20210207249A1

公开(公告)日：2021-07-08

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.