COPPER ALLOY MATERIAL, POWER DISTRIBUTION MEMBER FOR ELECTRIC CAR, AND POWER DISTRIBUTION MEMBER FOR HYBRID CAR

摘要

PROBLEM TO BE SOLVED: To provide a copper alloy material having improved heat resistance while maintaining a high conductivity.SOLUTION: A copper alloy material contains at least 0.003 mass% or more and 0.01 mass% or less of Zr, and 0.03 mass% or more and 0.1 mass% or less of Ag, wherein the content of oxygen is 0.001 mass% or less, the conductivity is 95% IACS or more, and the Vickers hardness is 120 Hv or more.