COPPER ALLOY TROLLEY WIRE AND METHOD OF MANUFACTURING COPPER ALLOY TROLLEY WIRE

摘要

PROBLEM TO BE SOLVED: To provide a copper alloy trolley wire excellent in strength, conductivity, thermal resistance and form accuracy, and to provide a method of manufacturing the copper alloy trolley wire.;SOLUTION: A copper alloy trolley wire contains Co;0.12 mass% to 0.40 mass%, P;0.040 mass% to 0.16 mass%, Sn;0.005 mass% to 0.70 mass% and the balance of Cu with inevitable impurities, and an average particle diameter is 10 nm or more, the number of deposition having a particle size of 5 nm or more is 90% or more of observed depositions, and thermal resistance HR defined by HR=TS₁/TS₀×100, where TS₀ is an initial tensile strength and TS₁ is a tensile strength at 400°C after 2 hours, is 90% or more.;COPYRIGHT: (C)2014,JPO&INPIT