| Al-12.6%Si薄带双辊快速凝固成形试验研究 |
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| 引用本文： | 陈明安,卓利,张新明.Al-12.6%Si薄带双辊快速凝固成形试验研究[J].材料工程,1999(4):32-35. |
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| 作者姓名： | 陈明安 卓利 张新明 |
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| 作者单位： | 1. 湖南大学机械与汽车工程学院
2. 中南工业大学材料与科学系 |
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| 摘 要： | 运用双辊快速凝固方法将液态Ａｌ－１２．６％Ｓｉ合金直接制备成厚度为０．１￣０．５ｍｍ的薄带。介绍了这一方法的基本原理、特点和试验设备设计中的关键问题。辊面可控线速度Ｖｒ为２￣８．５ｍ／ｓ，薄带厚度正比于Ｖｒ＾－１／２。薄带组织为细小的初晶α－Ａｌ和极细小的（α－Ａｌ＋Ｓｉ）共晶体，塑性和抗拉强度得到明显改善．
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| 关 键 词： | 快速凝固 薄带 双辊法 铝硅合金 |
Preparation of Rapidly Solidified Al-12.6%Si Alloy Strips by Double-roller Method |
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| Chen Mingan,Zhou Li,Zhang Xinming.Preparation of Rapidly Solidified Al-12.6%Si Alloy Strips by Double-roller Method[J].Journal of Materials Engineering,1999(4):32-35. |
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| Authors: | Chen Mingan Zhou Li Zhang Xinming |
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| Affiliation: | Chen MinganZhuo Li( Hunan University)Zhang Xinming(Central South University of Technology) |
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| Abstract: | Al126%Si strips with 01 to 05mm thickness have been produced directly from the melt by doubleroller rapid solidification processThe mechanism and characteristics of this method and key points related to design of the experimental apparatus have been describedThe roll surface velocity V5BZ]r ranged from 2 to 85m/sIt was shown that the strips thickness was proportional to V r-1/2 and that the microstuctures of the strips were composed of fine primary Al phase and very fine eutectic grains of Al and SiTensile strength and plasticity of the strips were greatly improved |
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| Keywords: | rapid solidificationthin stripdoubleroller methodAlSi alloy |
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