age-harding

基本解釋

Effect of heat treatment on age hardness characteristic of SiCw/Al-Li composite were systematicallyinvestigated.
本文系統(tǒng)地探討了熱處理工藝對SiCw/Al-Li復合材料的時效強化特性的影響。
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、高強度及較好的時效硬化效應，在航空航天工業(yè)中有著重要的應用。
Old age disabled him for hard labour.
年邁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.
莫來石纖維除了能明顯提高Al 4 .;5Cu合金的時效硬度外;還能加速其時效析出過程 ;
He prefers to assort with people of his own age.
他更喜歡與自己的同齡人交往。