This paper deals with the properties, the usage state and the problems of alloy grain refiners, which were at present used in industry.

分析研究了工业生产中目前所使用的合金细化剂的性能、应用状态以及存在的问题。

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The mechanism of refining the pure Al and its alloys is discussed. The grain refinement efficiency and characteristics of the most popular grain refiners are also discussed.

从细化机理入手论述了铝及其合金的细化效果以及常用的晶粒细化剂的优缺点。

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The high-purity aluminum was modified with different amount of Al-Ce grain refiners and the microstructures and mechanical properties of the modified aluminum were investigated.

在高纯铝中分别添加不同量的铝铈合金细化剂，考察了其铸态显微组织、力学性能的变化规律。

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