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双液淬火
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双液淬火
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工学
[热处理]
释
two-liquid quenching
双液淬火
利用水淬和油冷的优点,将加热好的奥氏体化工件,先放入一种冷却能力强的淬火介质(如水或油)中冷却至稍微高于点(奥氏体转变为马氏体的临界温度,约300℃),越过奥氏体最不稳定的温度区间后,再迅速转移到另一种冷却能力较弱的淬火介质(如油或空气)中进行冷却,使过冷奥氏体转变为马氏体的方法。又称双介质淬火法。
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