公开(公告)号：US20210207249A1

公开(公告)日：2021-07-08

申请号：US17059460

申请日：2019-05-29

申请人： BYD COMPANY LIMITED

发明人： Qiang GUO ,  Yongliang XIE ,  Yunchun LI ,  Mengjue LIAO

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

摘要： 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：US20210108290A1

公开(公告)日：2021-04-15

申请号：US16463426

申请日：2017-10-25

申请人： BYD COMPANY LIMITED

发明人： Qiang GUO ,  Yunchun LI ,  Chunmeng ZHANG ,  Yongliang XIE

IPC分类号： C22C21/02

摘要： The present disclosure discloses a heat-conductive aluminum alloy and application thereof. The heat-conductive aluminum alloy contains alloying elements, unavoidable impurities and the balance of an aluminum element. Based on the total weight of the heat-conductive aluminum alloy, the alloying elements include: 5.0 to 11.0% by weight of Si, 0.4 to 1.0% by weight of Fe, 0.2 to 1.0% by weight of Mg, less than 0.1% by weight of Zn, less than 0.1% by weight of Mn, less than 0.1% by weight of Sr and less than 0.1% by weight of Cu. The heat-conductive aluminum alloy prepared by the present disclosure has a tensile strength of not less than 250 MPa, a yield strength of not less than 150 MPa, an elongation of not less than 3.5%, and a thermal conductivity of not less than 150 W/(m·K).

公开(公告)号：US20220195563A1

公开(公告)日：2022-06-23

申请号：US17600267

申请日：2020-03-26

申请人： BYD COMPANY LIMITED

发明人： Yunchun LI ,  Qiang GUO ,  Youping REN ,  Yongliang XIE

IPC分类号： C22C21/08 ,  C22C1/02 ,  C22F1/047 ,  B22D21/00 ,  B22D21/04

摘要： A die-cast aluminum alloy and a preparation method and use thereof are disclosed. Based on the total mass of the die-cast aluminum alloy, the die-cast aluminum alloy includes: 4-9 wt % of Mg; 1.6-2.8 wt % of Si; 1.1-2 wt % of Zn; wt % of Mn; 0.1-0.3 wt % of Ti; 0.009-0.05 wt % of Be; the balance of Al; and less than 0.2 wt % of inevitable impurities.