COPPER ALLOY FOR ELECTRONIC/ELECTRICAL DEVICE MEMBER FOR PLASTICALLY DEFORMING COPPER ALLOY FOR ELECTRONIC/ELECTRICAL DEVICE COMPONENT FOR ELECTRONIC/ELECTRICAL DEVICE TERMINAL AND BUS BAR

摘要

Containing Mg in a range of less than 0.1 mass% 0.5 mass%, and the balance of Cu and formed of a inevitable impurities, in a tensile test, true stress σ _t and true strain dσ _t / dε defined by ε _t a _t the vertical axis, and the true strain ε _t in the case of a horizontal axis, it characterized in that the slope of the _t dσ / dε _t has a deformed region that affection.;