论述硒、铜、磷系高强度常温发黑液的配方、主要技术指标、常温发黑工艺和发黑成膜原理。利用硒、铜、磷盐和专门研制的添加剂和配方 ,研制的高强度常温发黑液和工艺 ,进行机械零件的常温发黑 ,膜层性能、附着力、耐磨性和耐蚀性好 Discusses selenium, copper, phosphorus-based high-strength black liquor at room temperature formulations, the main technical indicators, blackening at room temperature and black film theory. The use of selenium, copper, phosphorus salts and specially developed additives and formulations, the development of high-strength black liquor and room temperature, the mechanical parts at room temperature blackening, film properties, adhesion, abrasion resistance and corrosion resistance