Copper-chromium alloying interface bonding improved CuCrMoS2 high-temperature friction material and preparation method thereof

The invention provides a chromium alloying improved interface bonding CuCrMoS2 high-temperature friction material and a preparation method thereof, and belongs to the technical field of copper-based high-temperature friction material preparation. According to the friction material, copper-chromium alloy serves as a base body, molybdenum disulfide serves as a lubricating component, and 80-95 wt% of copper-chromium alloy powder and 5-20 wt% of molybdenum disulfide powder are subjected to mixed ball milling, high-temperature reduction and SPS sintering treatment to obtain the friction material. Copper-chromium alloy and a lubricating component MoS2 are subjected to high-speed mechanical mixing in a planetary ball mill, and then SPS sintering is performed, so that the chromium element prevents reaction of copper and molybdenum disulfide and is preferentially combined with molybdenum disulfide to generate chromium sulfide, the interface bonding of the composite material is improved, the density, hardness and wear