Magnesium alloy with high thermal conductivity, inverter housing, inverter and vehicle

Abstract

A magnesium alloy with high thermal conductivity, an inverter housing, an inverter and a vehicle are provided. Based on the total mass of the magnesium alloy with high thermal conductivity, the magnesium alloy with high thermal conductivity includes: 2.0-4.0 wt % of Al, 0.1-0.3 wt % of Mn, 1.0-2.0 wt % of La, 2.0-4.0 wt % of Ce, 0.1-1.0 wt % of Nd, 0.5-2.0 wt % of Zn, 0.1-0.5 wt % of Ca, less than 0.1 wt % of Sr, less than 0.1 wt % of Cu, and magnesium.

1 . A magnesium alloy with high thermal conductivity, comprising, based on a total mass of the magnesium alloy with high thermal conductivity:
 2.0-4.0 wt % of Al,   0.1-0.3 wt % of Mn,   1.0-2.0 wt % of La,   2.0-4.0 wt % of Ce,   0.1-1.0 wt % of Nd,   0.5-2.0 wt % of Zn,   0.1-0.5 wt % of Ca,   less than 0.1 wt % of Sr,   less than 0.1 wt % of Cu, and   magnesium.   
     
     
         2 . The magnesium alloy with high thermal conductivity according to  claim 1 , wherein, based on a total mass of the magnesium alloy with high thermal conductivity, the Mn and Ce further include:
 0.15-0.3 wt % of Mn and 2.5-4.0 wt % of Ce.   
     
     
         3 . The magnesium alloy with high thermal conductivity according to  claim 1 , wherein, based on a total mass of the magnesium alloy with high thermal conductivity, the magnesium alloy with high thermal conductivity further comprises:
 3.0 wt % of Al,   0.25 wt % of Mn,   1.55 wt % of La,   3.0 wt % of Ce,   0.13 wt % of Nd,   0.6 wt % of Zn,   0.15 wt % of Ca,   less than 0.1 wt % of Sr,   less than 0.1 wt % of Cu, and   magnesium.   
     
     
         4 . The magnesium alloy with high thermal conductivity according to  claim 1 , wherein, based on a total mass of the magnesium alloy with high thermal conductivity, the magnesium alloy with high thermal conductivity further comprises:
 2.0 wt % of Al,   0.15 wt % of Mn,   2.0 wt % of La,   2.5 wt % of Ce,   0.1 wt % of Nd,   2.0 wt % of Zn,   0.1 wt % of Ca,   less than 0.1 wt % of Sr,   less than 0.1 wt % of Cu, and   magnesium.   
     
     
         5 . The magnesium alloy with high thermal conductivity according to  claim 1 , wherein, based on a total mass of the magnesium alloy with high thermal conductivity, the magnesium alloy with high thermal conductivity further comprises:
 4.0 wt % of Al,   0.1 wt % of Mn,   1.0 wt % of La,   2.0 wt % of Ce,   1.0 wt % of Nd,   0.5 wt % of Zn,   0.5 wt % of Ca,   less than 0.1 wt % of Sr,   less than 0.1 wt % of Cu, and   magnesium.   
     
     
         6 . The magnesium alloy with high thermal conductivity according to  claim 1 , wherein, based on a total mass of the magnesium alloy with high thermal conductivity, the magnesium alloy with high thermal conductivity further comprises:
 2.5 wt % of Al,   0.3 wt % of Mn,   1.0 wt % of La,   4.0 wt % of Ce,   0.5 wt % of Nd,   0.5 wt % of Zn,   0.3 wt % of Ca,   less than 0.1 wt % of Sr,   less than 0.1 wt % of Cu, and   magnesium.   
     
     
         7 . The magnesium alloy with high thermal conductivity according to  claim 1 , wherein a thermal conductivity of the magnesium alloy is greater than 110 w/m·k. 
     
     
         8 . The magnesium alloy with high thermal conductivity according to  claim 1 , wherein the magnesium alloy has at least one of the following characteristics:
 a tensile strength is greater than 220 MPa;   a yield strength is greater than 150 MPa; and   an elongation is greater than 4%.   
     
     
         9 . An inverter housing, wherein at least a part of the inverter housing is formed by the magnesium alloy with high thermal conductivity according to  claim 1 . 
     
     
         10 . An inverter, comprising the inverter housing according to  claim 9 . 
     
     
         11 . (canceled)