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已研究了一种在保护气氛或富碳气氛炉子中淬火、退火或渗碳的钢的可控气氛热处理方法。气氛在炉中连续地流动,在进入炉子前,气氛是由含氢(也可以是氮)的载气和碳氢化合物组成的活性气体混合而成的。
A controlled atmosphere heat treatment method has been studied for a steel that has been quenched, annealed or carburized in a protective atmosphere or carbon-rich furnace. The atmosphere is continuously flowing in the furnace. Before entering the furnace, the atmosphere is composed of an active gas composed of a carrier gas containing hydrogen (also nitrogen) and a hydrocarbon.