| 摘要 |
An electrically conductive material includes: a supersaturated solid solution of a polycrystalline copper alloy having a composition represented by the formula: Cu100-x-yMxNy; wherein x and y are atomic ratios; wherein 0<x<=2.0 and 0<=y<=2.0; wherein M is selected from Ru, Re, Ho, and combinations thereof; and wherein the supersaturated solid solution includes M precipitates formed at grain boundaries of the polycrystalline copper alloy when y is equal to zero, and includes M precipitates and MN particles formed at the grain boundaries of the polycrystalline copper alloy when y is not zero.
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