公开(公告)号：US20210108290A1

公开(公告)日：2021-04-15

申请号：US16463426

申请日：2017-10-25

Applicant: BYD COMPANY LIMITED

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

IPC: C22C21/02

Abstract: 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：US20190390305A1

公开(公告)日：2019-12-26

申请号：US16465321

申请日：2017-11-16

Applicant: BYD COMPANY LIMITED

Inventor： Yongxi JIAN ,  Chunmeng ZHANG ,  Qiang GUO

IPC: C22C21/02 ,  B22D21/00 ,  B22D17/00

Abstract: The present disclosure provides a semi-solid die-casting aluminum alloy and a method for preparing a semi-solid die-casting aluminum alloy casting. The semi-solid die-casting aluminum alloy contains alloying elements, inevitable impurities and the balance of aluminum element. Based on the total weight of the semi-solid die-casting aluminum alloy, the alloying elements include: 7.5 to 9.5 wt % of Si, 3.5 to 4.8 wt % of Cu, 0.5 to 0.75 wt % of Mn, 0.01 to 0.5 wt % of Ti and 0.01 to 0.35 wt % of rare earth element.