利用Al, Ti和C粉末原料,采用铝液中的热爆合成法制备出用于铝及铝合金晶粒细化的Al-Ti-C中间合金.采用扫描电镜(SEM)和X射线衍射(XRD)研究了热爆合成产物的成分, 组织与形貌.结果表明: Al-Ti-C中间合金由Al, Al3Ti和TiC三相组成, 铝液温度对反应体系温度有重要影响, 改变了中间合金中Al3Ti, TiC的形态和分布, 并影响其晶粒细化能力.
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