人工时效指将经固溶处理后的合金加热到室温以上的适当温度,保持一定时间使合金性能发生变化的处理过程。人工时效时,新相沉淀的速度较自然时效快,但硬化的峰值没有自然时效高。如果加热温度过高或保温时间过长,会产生过时效而使硬度降低。
加快硬化过程中,人工时效是就业。
To speed up the hardening process, artificial aging is employed.
挤压后直接人工时效,可有效地提高合金的塑性。
Moreover, after extruding the alloys can improve their plasticity if artificial ageing is processed.
铸件经过严格的人工时效和振动时效,确保了机床的刚性、稳定性。
Casting pass by strict artificial aging and vibration aging so as to make sure the rigidity and stability of lathe.
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