采用铝熔体加入到石墨粉和K2TiF6混合物中的方法制备了多种成分的Al-Ti-C中间合金,并研究了中间合金的变质效果.试验结果表明:在制备中间合金过程中,Ti和C充分反应生成了Al3Ti和TiC两种第二相;Al-Ti-C中间合金的细化效果明显优于Al-6Ti,略好于Al-Ti-B中间合金,且保温120min后没有明显的细化衰退现象.
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