钢的碳氮复渗,可强化单一渗碳、氮化过程,同时也可排除这些过程固有的一系列渗层缺陷。碳氧复渗试验表明,钢予先经450～500℃氧化处理,随后在添加甲烷的吸热气氛中 Steel carbon and nitrogen re-infiltration, can enhance a single carburizing, nitriding process, but also rule out these processes inherent in a series of infiltration defects. Carbon-oxygen permeation tests showed that the steel was pre-oxidized at 450-500 ° C and subsequently treated in an endothermic atmosphere where methane was added