| Al-Zn-Mg-Cu合金析出相的TEM研究 |
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| 引用本文： | 郭前进,崔兰,姚琲,陈小平,林奎. Al-Zn-Mg-Cu合金析出相的TEM研究[J]. 电子显微学报, 2012, 31(4): 315-319 |
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| 作者姓名： | 郭前进 崔兰 姚琲 陈小平 林奎 |
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| 作者单位： | 天津大学分析测试中心,天津,300072 |
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| 摘 要： | 本文将Al-Zn-Mg-Cu合金进行RRA三级时效强化,通过电子衍射和高分辨电子显微术研究了其晶内析出相η’相。结合能谱面分布分析和HRTEM像TrueImage重构,提出了η’相的一个Mg-Zn-Cu三元结构模型。
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| 关 键 词： | Al-Zn-Mg-Cu合金 RRA三级时效 电子衍射 HRTEM像 TrueImage重构 |
Research on the precipitated phase in Al-Zn-Mg-Cu alloy by electron microscope |
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| GUO Qian-jin , CUI Lan , YAO Pei , CHEN Xiao-ping , LIN Kui. Research on the precipitated phase in Al-Zn-Mg-Cu alloy by electron microscope[J]. Journal of Chinese Electron Microscopy Society, 2012, 31(4): 315-319 |
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| Authors: | GUO Qian-jin CUI Lan YAO Pei CHEN Xiao-ping LIN Kui |
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| Affiliation: | (Analysis Center of Tianjin University,Tianjin 300072,China) |
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| Abstract: | Al-Zn-Mg-Cu alloys were treated by the retrogression and re-aging treatment（RRA）.The precipitated η′ phase was studied by electron diffraction and high resolution electron microscopy.Based on the exit wave function TrueImage reconstruction and energy dispersive spectrum（EDS）,we proposed a crystallite’s structure model of three unknown phase Mg-Zn-Cu. |
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| Keywords: | Al-Zn-Mg-Cu alloy； retrogression and reaging treatment（RRA）； electron diffraction； HRTEM； TrueImage |
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