age-harding

基本解释

Effect of heat treatment on age hardness characteristic of SiCw/Al-Li composite were systematicallyinvestigated.
本文系统地探讨了热处理工艺对SiCw/Al-Li复合材料的时效强化特性的影响。
Al-Zn-Mg Alloys played an important role in the avigation and spaceflight due to their low density,high strength and preferable age hardness.
Al-Zn-Mg合金由于其低密度、高强度及较好的时效硬化效应，在航空航天工业中有着重要的应用。
Old age disabled him for hard labour.
年迈使他不能干繁重的工作。
Short mullite fiber not only increases the aged hardness of Al 4.5Cu alloy, but also accelerates the age precipitation process.
莫来石纤维除了能明显提高Al 4 .;5Cu合金的时效硬度外;还能加速其时效析出过程 ;
He prefers to assort with people of his own age.
他更喜欢与自己的同龄人交往。