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Crystallography and interfacial structure in a directionally solidified Al2O3/Y3Al5O12/ZrO2 eutectic crystal
Wang, X; Zhong, YJ; Sun, Q; Li, YR; Zhang, W; Qi, DQ; Wang, D; Jiang, BL; Wang, X (reprint author), Xian Univ Technol, Sch Mat Sci & Engn, 5 South Jinhua Rd, Xian 710048, Shaanxi, Peoples R China.; Zhong, YJ (reprint author), Xian Shiyou Univ, Sch Mat Sci & Engn, Xian 710065, Shaanxi, Peoples R China.
2018-03-01
发表期刊SCRIPTA MATERIALIA
ISSN1359-6462
卷号145页码:23-27
摘要The single crystal of Al2O3/Y3Al5O12/ZrO2 ternary eutectic was prepared by an optical floating zone furnace. The crystallography and interfacial structure of the directionally solidified ternary eutectic were investigated by means of electron backscattered diffraction and transmission electron microscopy. We found that the preferred crystallographic orientation of the Al2O3/Y3Al5O12/ZrO2 eutectic crystal was {1120} < 1100 > Al2O3 ||{001} < 001 > Y3Al5O12 ||{001} < 001 > ZrO2. Most of the tiny ZrO2 locates dispersively between Al2O3 and Y3Al5O12. It can be concluded that interfacial energy between Al2O3-Y3Al5O12-ZrO2 played an important role in deciding the preferred crystallographic orientations of the Al2O3/Y3Al5O12/ZrO2 eutectic and the precipitation behavior of the ZrO2 phase. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.; The single crystal of Al2O3/Y3Al5O12/ZrO2 ternary eutectic was prepared by an optical floating zone furnace. The crystallography and interfacial structure of the directionally solidified ternary eutectic were investigated by means of electron backscattered diffraction and transmission electron microscopy. We found that the preferred crystallographic orientation of the Al2O3/Y3Al5O12/ZrO2 eutectic crystal was {1120} < 1100 > Al2O3 ||{001} < 001 > Y3Al5O12 ||{001} < 001 > ZrO2. Most of the tiny ZrO2 locates dispersively between Al2O3 and Y3Al5O12. It can be concluded that interfacial energy between Al2O3-Y3Al5O12-ZrO2 played an important role in deciding the preferred crystallographic orientations of the Al2O3/Y3Al5O12/ZrO2 eutectic and the precipitation behavior of the ZrO2 phase. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
部门归属[wang, xu ; zhang, wen ; jiang, bailing] xian univ technol, sch mat sci & engn, 5 south jinhua rd, xian 710048, shaanxi, peoples r china ; [zhong, yujie] xian shiyou univ, sch mat sci & engn, xian 710065, shaanxi, peoples r china ; [sun, qian] univ sci & technol china, sch mat sci & engn, 72 wenhua rd, shenyang 110016, liaoning, peoples r china ; [li, yiran ; qi, dongqing] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china ; [wang, dong] chinese acad sci, inst met res, superalloys div, 72 wenhua rd, shenyang 110016, peoples r china
关键词Melt-growth Composites Laser Floating-zone Mechanical-properties High-strength 1900 k Microstructure Ceramics Oxides
学科领域Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
资助者Equipment Pre-Research Foundation of China [6140759040102, 6140923040203]; National Natural Science Foundation of China [517001156]
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/79477
专题中国科学院金属研究所
通讯作者Wang, X (reprint author), Xian Univ Technol, Sch Mat Sci & Engn, 5 South Jinhua Rd, Xian 710048, Shaanxi, Peoples R China.; Zhong, YJ (reprint author), Xian Shiyou Univ, Sch Mat Sci & Engn, Xian 710065, Shaanxi, Peoples R China.
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GB/T 7714
Wang, X,Zhong, YJ,Sun, Q,et al. Crystallography and interfacial structure in a directionally solidified Al2O3/Y3Al5O12/ZrO2 eutectic crystal[J]. SCRIPTA MATERIALIA,2018,145:23-27.
APA Wang, X.,Zhong, YJ.,Sun, Q.,Li, YR.,Zhang, W.,...&Zhong, YJ .(2018).Crystallography and interfacial structure in a directionally solidified Al2O3/Y3Al5O12/ZrO2 eutectic crystal.SCRIPTA MATERIALIA,145,23-27.
MLA Wang, X,et al."Crystallography and interfacial structure in a directionally solidified Al2O3/Y3Al5O12/ZrO2 eutectic crystal".SCRIPTA MATERIALIA 145(2018):23-27.
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