Patent ID: 9738955
Date: 2017-08-22
CPC Classifications: C22C

Claim:
1. An aluminum alloy, comprising: 1˜2 wt % of magnesium (Mg), 1˜2 wt % of copper (Cu), 1˜2 wt % of zinc (Zn), 0.5˜2 wt % of nickel (Ni), about0.5wt % of iron (Fe), about 0.5wt % of manganese (Mn), about 3.0wt % of silicon (Si), about 0.3wt % of zirconium (Zr) and a remainder of aluminum (Al) and inevitable impurities, wherein a thermal conductivity is 185 W/m*k or less at room temperature of about 25° C. and more than 185 W/m*k at high temperature 200° C.