Al-Ti-C 中间合金晶粒细化剂的合成及其细化晶粒作用
来源期刊：中国有色金属学报1998年第2期
论文作者：姜文辉 韩行霖
文章页码：268 - 271
关键词：Al-Ti-C中间合金 晶粒细化剂 异质形核 真空熔炼
Key words：Al-Ti-C master alloy , grain refinement , heterogeneous nucleation , vaccum melting
摘 要：根据液体蒸气压与温度遵从克劳修斯-克莱贝龙方程的原理, 找到了制备Al-Ti-C 中间合金的一种新工艺。 合成的Al-Ti-C中间合金含有大量细小的TiC相及少量粗大的条状Al3Ti相, 它具有优异的细化α-Al晶粒的性能。TiC相质点团是α-Al有效的异质结晶核心, 这归因于质点团凹陷处的物理化学作用。
Abstract: Based on Clausius-Clapeyron equation, a new technology to prepare Al -Ti-C master alloys was developed. Synthesized Al-Ti-C master alloys containing a number of fine TiC particles and a few Al3Ti flakes possess excellent grain refining properties on aluminium. The clusters of TiC particles are effective nuclei of α-Al, which is attributed to physical and chemical roles of depressions on the clusters.
