...度，树枝晶间距， 微合金元素，沉淀析出，凝固。 [gap=2137]stenite grain size, dendrite arm spacing, microalloying elements, precipitation, solidification.
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The amount, kind and dispersity of carbide in steel can increase by regulating the content and kind of microalloying elements. So its hardness and impact toughness can be increased.
调整微合金含量和种类，可增加钢中碳化物数量、种类和弥散度，从而提高钢的硬度和冲击韧度。
This paper summarizes the microalloying mechanism and effects of some elements in Al-Li alloys.
概述了一些常见元素在铝锂合金中的微合金化作用及机理。
In diffusing implantation, the main effects of RE elements are increasing speed and microalloying.
离子注入中，添加稀土元素能形成致密的氧化物，可提高模具的抗高温氧化能力；
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