| RE对细晶铝锭细化效果的影响 |
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| 引用本文： | 孙海斌,左秀荣,仲志国,崔海超,樊彬彬,李广钦.RE对细晶铝锭细化效果的影响[J].特种铸造及有色合金,2006,26(6):381-383. |
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| 作者姓名： | 孙海斌 左秀荣 仲志国 崔海超 樊彬彬 李广钦 |
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| 作者单位： | 郑州大学，郑州大学，郑州大学，郑州大学，郑州大学，郑州大学 |
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| 摘 要： | 利用光学显微镜、扫描电镜、能谱分析等方法研究分析了不同RE添加量对细晶铝锭细化效果的影响。试验结果表明，混合RE对细晶铝锭有明显的晶粒细化作用。随着RE含量的增加，晶粒平均直径减小。当RE的质量分数达到0．30％时，可得到最好的晶粒细化效果；当RE的质量分数超过0．30％后，细化效果开始下降。并分析了添加RE后细晶铝锭细化晶粒作用的机理。
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| 关 键 词： | 细晶铝锭 晶粒细化 细化机理 |
| 文章编号： | 1001-2249（2006）06-0381-03 |
| 收稿时间： | 2006-02-20 |
| 修稿时间： | 2006年2月20日 |
Effects of Rare Earth on the Refinement Efficiency of Aluminum Ingot with Fine Grain |
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| Sun Haibin,Zuo Xiurong,Zhong Zhiguo,Cui Haichao,Fan Binbin,Li Guangqin.Effects of Rare Earth on the Refinement Efficiency of Aluminum Ingot with Fine Grain[J].Special Casting & Nonferrous Alloys,2006,26(6):381-383. |
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| Authors: | Sun Haibin Zuo Xiurong Zhong Zhiguo Cui Haichao Fan Binbin Li Guangqin |
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| Abstract: | Effects of different rare earth contents on refinement efficiency of aluminum ingot with fine grain were investigated by optical microscope, SEM (scanning electron microscope), EDAX. The results show that mistchmetal Re can effectively refine the grain size in aluminum ingot, where the average diameter of the grain is decreased with MM Re increase. The optimum grain refining efficiency can be observed with 0.30% MM Re additions, while with MM Re addition over 0.30%, refining efficiency can be fade. The refinement mechanism of the aluminum ingot with fine grain with MM RE addition is approached also. |
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| Keywords: | RE |
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