From vapor blanked stage to the nucleate boiling stage, there exists repeated moisture, which influences the conformity of the quench cooling process and quench hardness.

• 提出由蒸汽膜阶段向膜沸腾阶段转变的过程中，存在重湿润过程，重湿润过程影响淬火冷却的均匀性和淬火硬度的均匀性。