淬火时效指的是合金经高温固溶处理获得过饱和固溶体后，在室温和较高温度下等温一定时间，将从过饱和固溶体中析出弥散的新相，如钢中的碳或氮化物，使合金的强度和硬度升高，而塑性降低。淬火时效是沉淀硬化不锈钢、马氏体时效钢及许多有色合金强化的主要手段。
淬火时效对合金最终性能有着重要的影响。
Quenching and aging have an important effect on the mechanical properties of AHS alloys.
淬火时施加磁场，使合金时效后的强度和塑性有所提高。
Quenching in magnetic field can increase the strength and the elongation of the alloy after ageing.
龙门刨床身等关键件的回火、震动时效、超音频淬火等热处理工艺，使机床精度更稳定，使用寿命更长。
Heat treatment technics such as tempering, vibration aging, induction quenching and so on adopted on key parts like bed enable more stable accuracy and longer working life.
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