CU ALLOY ELECTRODE FOR RESISTANCE WELDING

摘要

PURPOSE:To provide the Cu alloy electrode for spot welding formed in such a manner that the region of the number of continuous dotting can be expanded. CONSTITUTION:The Cu alloy electrodes 3 to 5 contain Pb as a solid lubricant element Es at 0.01wt.%<=Pb<=0.5wt.%. The Pb exhibits the effect of hindering the wettability of the Cu alloy electrodes 3 to 5 and alloy members to be welded, thereby preventing the deposition of the Cu alloy electrodes 3 to 5.