| 柱状晶Al在冷轧过程中微观组织演变的定量表征Ⅰ宏观分裂 |
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| 引用本文： | 吴桂林,刘伟,A.Godfrey,刘庆. 柱状晶Al在冷轧过程中微观组织演变的定量表征Ⅰ宏观分裂[J]. 金属学报, 2004, 40(7): 699-708 |
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| 作者姓名： | 吴桂林 刘伟 A.Godfrey 刘庆 |
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| 作者单位： | 清华大学材料科学与工程系,北京,100084 |
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| 基金项目： | 国家自然科学基金项目59825110和50231030资助 |
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| 摘 要： | 原始取向为{001}{uv0)的柱状晶Al样品分别冷轧到10％，30％和50％，采用EBSP技术定量表征了不同取向晶粒的宏观分裂，结果表明，不同取向晶粒在轧制过程中的分裂模式不同．利用位错滑移模型合理地解释了观察到的宏观分裂时的晶体转动．
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| 关 键 词： | 柱状晶Al 冷轧 电子背散射图 EBSP 宏观分裂 微观组织 定量表征 |
| 文章编号： | 0412-1961(2004)07-0699-10 |
| 收稿时间： | 2003-07-24 |
| 修稿时间： | 2003-11-03 |
MICROSTRUCTURAL EVOLUTION OF COLUMNAR GRAIN Al DURING COLD ROLLING I. Marcoscopic Subdivision |
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| WU Guilin,LIU Wei,A. Godfrey,LIU Qing. MICROSTRUCTURAL EVOLUTION OF COLUMNAR GRAIN Al DURING COLD ROLLING I. Marcoscopic Subdivision[J]. Acta Metallurgica Sinica, 2004, 40(7): 699-708 |
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| Authors: | WU Guilin LIU Wei A. Godfrey LIU Qing |
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| Affiliation: | Department of Materials Science and Engineering, Tsinghua University, Beijing 100084 |
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| Abstract: | Columnar grain Al samples with {001}{uv0} orientations were cold rolled to reductions of 10%, 30% and 50%, respectively. The macroscopic subdivision of grains with different orientations was characterized in detail by using EBSP technique. It is found that the macroscopic subdivision patterns of different oriented grains are different. A model based on dislocation slip was used to analyze the observed macroscopic subdivision patterns. |
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| Keywords: | columnar grain Al cold rolling EBSP macroscopic subdivision modelling |
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