本文研究了微量元素钒、钛在非调质钢中的析出硬化作用和细化晶粒作用。
The precipitation hardening effect and the grain refining effect of trace elements vanadium and titanium in microalloyed steels were researched on.
钢中铌的沉淀析出具有沉淀强化和晶粒细化的作用。
And the precipitation of Nb has the effect of precipitation hardening and grain refinement.
在C194合金中加入稀土Y具有净化、去杂、细化晶粒的作用，同时改善铜合金的导电性、抗拉强度及其他力学性能。
Meanwhile it shows that Y can purify melt, refine the grain, improve electrical conductivity and the tensile strength of the C194 alloy.
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