| 直流电场对Al-Cu共晶合金凝固组织的影响 |
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| 引用本文： | 黄立国,张伟强. 直流电场对Al-Cu共晶合金凝固组织的影响[J]. 材料工程, 2004, 0(10): 36-38,41 |
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| 作者姓名： | 黄立国 张伟强 |
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| 作者单位： | 辽宁工程技术大学材料科学与工程系,阜新,123000 |
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| 摘 要： | 研究了直流电场作用下Al-Cu共晶凝固组织的变化.结果表明:电场作用改变了共晶晶粒尺寸和片层间距,随着电流密度的增加共晶晶粒尺寸和片层间距都经历了一次先细化后粗化的过程.初步分析了电场作用造成上述结果的机理.
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| 关 键 词： | 直流电场 凝固组织 Al-Cu共晶合金 直流电场 共晶合金 凝固组织 影响 Eutectic Alloy Microstructure Electric Field Current Direct 机理 分析 过程 粗化 电流密度 片层间距 晶粒尺寸 作用改变 结果 变化 电场作用 |
| 文章编号： | 1001-4381(2004)10-0036-03 |
Effect of Direct Current Electric Field on the Microstructure of Al-Cu Eutectic Alloy |
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| HUANG Li-guo,ZHANG Wei-qiang. Effect of Direct Current Electric Field on the Microstructure of Al-Cu Eutectic Alloy[J]. Journal of Materials Engineering, 2004, 0(10): 36-38,41 |
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| Authors: | HUANG Li-guo ZHANG Wei-qiang |
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| Abstract: | The effect of direct current electric field on the solidified structure of Al-Cu eutectic alloy is studied.The results show that the grain size and distance between layers of eutectic alloys are changed by the electric field, the grain size and distance between layers of the eutectic alloys experiences a process of refinement with the increase of current density.An elementary analysis was given to discuss the mechanism of above results. |
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| Keywords: | DC electric field solidified microstructure Al-Cu eutectic alloy |
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