CPC C22C 9/04 (2013.01) [C22C 1/03 (2013.01)] | 8 Claims |
1. A complex copper alloy comprising:
Metal matrix including copper or a copper alloy; and
High-entropy alloy (HEA) precipitations existing inside grains of the metal matrix and wherein the high-entropy alloy has a spherical shape,
wherein the complex copper alloy has a following Chemical Formula 1:
(Cu100-xZnx)y(HEA)100-y [Chemical Formula 1]
(in Chemical Formula 1, 0≤x≤45, 90<y≤100 at %, and HEA includes one or more alloy elements selected from the group consisting of Cr, Mn, Fe, Co, and Ni).
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