| AA3104热轧铝板织构的快速测量 |
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| 引用本文： | 刘涛,毛卫民,马全仓,冯惠平,陈昌云,李吉彬. AA3104热轧铝板织构的快速测量[J]. 北京科技大学学报, 2007, 29(6): 595-598 |
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| 作者姓名： | 刘涛 毛卫民 马全仓 冯惠平 陈昌云 李吉彬 |
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| 作者单位： | 1. 北京科技大学材料科学与工程学院,北京,100083
2. 西南铝业(集团)公司,重庆,401326 |
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| 基金项目： | 国家自然科学基金 , 国家高技术研究发展计划(863计划) |
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| 摘 要： | 提出一种准确快速测量AA3104热轧铝板织构的方法. 为避免因反射法测量带来的不均匀性,根据铝板的样品对称性和晶体对称性,用透射法测出极图上一条弧段上的衍射数据. 用正态分布来拟合测量的数据,并得到各织构组分的特征参数. 用所得参数计算出的极图和ODF图与用常规方法实际测得的结果有较好的一致性,很好地预测到热轧铝板的主要织构组分. 原则上,该技术可以发展成为工业上热轧铝板织构的在线定量检测技术.
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| 关 键 词： | 铝合金 热轧板 织构 X射线透射法 热轧铝板 快速测量 bands measurement texture 检测技术 定量 在线 工业 发展 原则 预测 一致性 结果 常规方法 参数计算 特征参数 组分 衍射数据 拟合测量 |
| 修稿时间： | 2006-02-202006-07-07 |
Rapid texture measurement of AA3104 hot bands |
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| LIU Tao,MAO Weimin,MA Quancang,FENG Huiping,CHEN Changyun,LI Jibin. Rapid texture measurement of AA3104 hot bands[J]. Journal of University of Science and Technology Beijing, 2007, 29(6): 595-598 |
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| Authors: | LIU Tao MAO Weimin MA Quancang FENG Huiping CHEN Changyun LI Jibin |
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| Abstract: | A new technique was proposed for rapid and accurate texture measurement of AA3104 hot bands. Based on the sample and crystal symmetry of aluminum bands, the diffraction data along an arc in pole figures were measured using the transmission technique, which avoided the heterogeneity of the reflection technique. A fitting treatment based on Gaussian distribution was introduced, and the characteristic parameters of each texture were obtained. The reproduced pole figures based on the characteristic parameters are in good agreement with those obtained by the conventional way, which predicts the main texture components satisfactorily. In principle, an industrial technology for on-line texture determination could be developed based on this technique. |
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| Keywords: | aluminum alloy hot bands texture X-ray transmission technique |
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