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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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Al-Ti-C系中TiC形成的热力学与动力学研究
, PP. 1025-1029
Keywords: Al-Ti-C中间合金,TiC粒子
Abstract:
研究了在用熔体反应法制备Ａｌ－Ｔｉ－Ｃ中间合金过程中ＴｉＣ形成的热力学与动力学,实验结果表明在８５０℃的Ａｌ熔体中,石墨颗粒周围的Ｋ２ＴｉＦ６与Ａｌ发生剧烈的化学反应放出大量的热,在熔体中形成大量的局部高温微区.在这些高温微区内,熔体中的Ｔｉ或ＴｉＡｌ３达到了与Ｃ形成ＴｉＣ的热力学条件,从而在石墨颗粒周围生成大量ＴｉＣ粒子,根据熔体化学反应的热力学条件.
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