| Al-Si合金的细化与Ti偏析的研究 |
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| 引用本文： | 米国发,王狂飞,张明,文涛,王宏伟,曾松岩. Al-Si合金的细化与Ti偏析的研究[J]. 热加工工艺, 2007, 36(9): 14-16,20 |
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| 作者姓名： | 米国发 王狂飞 张明 文涛 王宏伟 曾松岩 |
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| 作者单位： | 1. 河南理工大学,材料学院,河南,焦作,454000
2. 哈尔滨工业大学,材料学院,黑龙江,哈尔滨,150001 |
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| 摘 要： | 研究了不同处理时间、不同位置对Ti偏析及细化效果的影响。结果表明，保温4h，A1—5Ti-1B的细化效果达到最佳。Ti在铸件顶端和底部的偏析程度不一样，在底部偏析更为严重，这主要是由于Ti在浇注过程中聚集的结果。
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| 关 键 词： | 铝硅合金 Ti偏析 晶粒细化 |
| 文章编号： | 1001-3814（2007）01-0014-03 |
| 修稿时间： | 2006-11-01 |
Study of Refinement & Ti Segregation of Al-Si Alloy |
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| MI Guo-fa,WANG Kuang-fei,ZHANG Ming,WEN Tao,WANG Hong-wei,ZENG Song-yan. Study of Refinement & Ti Segregation of Al-Si Alloy[J]. Hot Working Technology, 2007, 36(9): 14-16,20 |
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| Authors: | MI Guo-fa WANG Kuang-fei ZHANG Ming WEN Tao WANG Hong-wei ZENG Song-yan |
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| Abstract: | Segregation of Ti and grain refinement were studied at different processing time and positions. The results show that Al-5Ti-IB has the perfect effect on refinement after 4 hours holding temperature. The segregation is not the same at different positions of casting, the segregation is more serious at the bottom of castings because of congregating of Ti during pouring. |
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| Keywords: | aluminum-silicon alloy Ti segregation grain refinement |
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