公开(公告)号：EP3805416A1

公开(公告)日：2021-04-14

申请号：EP19812256.6

申请日：2019-05-29

Applicant: BYD Company Limited

Inventor： GUO, Qiang ,  XIE, Yongliang ,  LI, Yunchun ,  LIAO, Mengjue

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

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：EP3546607A1

公开(公告)日：2019-10-02

申请号：EP17874325.8

申请日：2017-10-25

Applicant: BYD Company Limited

Inventor： GUO, Qiang ,  LI, Yunchun ,  ZHANG, Chunmeng ,  XIE, Yongliang

IPC: C22C21/02 ,  C22C21/04

Abstract: The present disclosure discloses a thermally conductive aluminum alloy and application thereof. The thermally conductive aluminum alloy contains alloying elements, unavoidable impurities and the balance of an aluminum element. Based on the total weight of the thermally conductive aluminum alloy, the alloying elements include: 5.0 to 11.0 wt% of Si, 0.4 to 1.0 wt% of Fe, 0.2 to 1.0 wt% of Mg, less than 0.1 wt% of Zn, less than 0.1 wt% of Mn, less than 0.1 wt% of Sr and less than 0.1 wt% of Cu. The thermally 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：EP3954797A1

公开(公告)日：2022-02-16

申请号：EP20787920.6

申请日：2020-03-26

Applicant: BYD Company Limited

Inventor： LI, Yunchun ,  GUO, Qiang ,  REN, Youping ,  XIE, Yongliang

IPC: C22C21/08 ,  C22C1/02

Abstract: 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; 0.5-1.5 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.

公开(公告)号：EP3647440A1

公开(公告)日：2020-05-06

申请号：EP18822966.0

申请日：2018-04-25

Applicant: BYD Company Limited

Inventor： GUO, Qiang ,  XIE, Yongliang ,  LIAO, Mengjue

IPC: C22C1/02 ,  C22C1/03 ,  C22C21/04

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.