侯忠霖,姚山,李婷,沙明红

• 1:辽宁科技大学材料与冶金学院
• 2:大连理工大学铸造工程研究中心
• 3:辽宁科技大学高温材料与镁资源工程学院

摘要(Abstract)：

研究分析了不同保温温度、冷却水温等条件对铝合金等轴晶形核率、柱状晶形核率、柱状晶向等轴晶转变(CET)位置的影响规律。试验结果表明:降低保温温度、升高冷却水温,会增大等轴晶区的面积;降低冷却水温、降低保温温度会增大铸件柱状晶和等轴晶的形核率。还根据获得的CET位置实验结果,讨论了国内外文献提出的CET位置判据对本研究的适用性,并针对本文的实验条件,提出了具有更高预测精度的CET转变判据。

关键词(KeyWords)： 铝合金;凝固;柱状晶向等轴晶转变(CET);判据

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 侯忠霖,姚山,李婷,沙明红

DOI: 10.13289/j.issn.1009-6264.2013.02.027

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