High-performance AgCuNi composite material and preparation method thereof

The invention relates to a high-performance AgCuNi composite material which comprises the following components in percentage by mass: 1 to 25 percent of Cu, 0.1 to 0.8 percent of Ni, 0.01 to 3.0 percent of additive element and the balance of Ag, additive elements are added into the composite material, in the working process of the electric contact material, the fusion welding resistance and the abrasion resistance of the material are improved, and material damage caused by adhesive abrasion of a direct-current motor commutator is reduced. 本发明涉及一种高性能AgCuNi复合材料，所述材料中Cu为1～25％质量百分含量，Ni为0.1～0.8％质量百分含量，0.01～3.0％的添加剂元素，余量为Ag；该复合材料添加添加剂元素，电接触材料工作过程中，提高材料的抗熔焊性能和耐磨损性能，降低直流电动机换向器的粘着磨损造成的材料损伤。