| 快速凝固Al—Li—Cu—Mg—Zr合金中H相的Z相的TEM研究 |
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| 引用本文： | 张立春,何安强,叶恒强,张永昌.快速凝固Al—Li—Cu—Mg—Zr合金中H相的Z相的TEM研究[J].材料研究学报,1994,8(3):227-232. |
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| 作者姓名： | 张立春 何安强 叶恒强 张永昌 |
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| 作者单位： | 中国科学院金属研究所固体原子像实验室,中国科学院金属研究所微晶室 |
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| 摘 要： | 用ＨＲＴＥＭ、ＴＥＭ及ＥＤＡＸ分析研究了Ａｌ－Ｌｉ－Ｃｕ－Ｚｒ合金中的一种新相（暂名Ｈ相）和六角Ｚ相的结构，确定Ｈ相具有四方点阵，点阵参数为ａ＝２．８ｎｍ，ｃ＝２．４ｎｍ，ＥＤＡＸ分析表明Ｈ明和Ｚ相均含有Ａｌ，Ｍｇ，Ｃｕ。发现Ｈ相与Ｚ相的共存取向关系为［１００］ｈ｜｜［１１２０］ｚ，［０１０］｜｜［０００１］Ｚ。还观察到Ｚ相中一种特有有的旋转畴结构。
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| 关 键 词： | H相 Z相 铝锂合金 快速凝固 |
| 收稿时间： | 1994-06-25 |
| 修稿时间： | 1994-06-25 |
TEM STUDY OF H AND Z PHASES IN RAPIDLY SOLIDIFIED Al-Li-Cu-Mg-Zr ALLOY |
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| ZHANG Lichun,HE Anqiang,YE HengqiangZHANG Yongchang.TEM STUDY OF H AND Z PHASES IN RAPIDLY SOLIDIFIED Al-Li-Cu-Mg-Zr ALLOY[J].Chinese Journal of Materials Research,1994,8(3):227-232. |
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| Authors: | ZHANG Lichun HE Anqiang YE HengqiangZHANG Yongchang |
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| Affiliation: | ZHANG Lichun,HE Anqiang,YE Hengqiang(Laboratory of Atomic Imaging of Solids,Institute of Metal Research,Academia Sinica,Shengyang)ZHANG Yongchang(Laboratory of Microcryslal,Institute of Metal Research,Academia sintca,Shengyang) |
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| Abstract: | Aluminum-Lithium alloys is of considerate interest to the aerospace community due to their high strengths and stiffness. Basic research in the Al-Li based systems was stimulated once more since the icosadral quasicrystal T2-A16Cu3Li was observed in the Al |
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| Keywords: | Al-Li-Cu-Mg-Zr alloy tetragonal H phase hexagonal Z phase rotation domain |
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