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Effect of interfacial energy on microstructure of a directionally solidified Al2O3/YAG eutectic ceramic
Wang, Xu1; Zhong, Yujie2; Wang, Dong3; Sun, Luchao4; Jiang, Bailing1; Wang, Jingyang4
通讯作者Zhong, Yujie(yjzhong11s@alum.imr.ac.cn) ; Wang, Jingyang(jywang@imr.ac.cn)
2018-03-01
发表期刊JOURNAL OF THE AMERICAN CERAMIC SOCIETY
ISSN0002-7820
卷号101期号:3页码:1029-1035
摘要An Al2O3/ Y3Al5O12 eutectic ceramic was prepared with a c- axis sapphire seed by an optical floating zone furnace. The crystallographic relationships in the initial and the steady growth sections of the as- grown eutectic ceramic were investigated by electron backscattering diffraction and transmission electron microscopy. The corresponding results were: < 111 > {101} Y3Al5O12 || < 0001 > {11 - 20} Al2O3 and < 110 > {2 - 11} Y3Al5O12 || < 1 - 100 > {0001} Al2O3, respectively. The steady orientation of the latter one shows smaller planar disregistry. Interfacial strain played the decisive role in affecting the solidification behavior of the Al2O3/ Y3Al5O12 eutectic ceramic. The stability of interfaces with minimum interfacial strain and better ionic charge balance in irregular microstructure prevail upon the constraint of the seed. These results might cast light for the interfacial design of the Al2O3/ Y3Al5O12 binary eutectic ceramic.
关键词eutectics interfaces microstructure orientation oxides
资助者Equipment Pre-Research Foundation of China ; National Natural Science Foundation of China
DOI10.1111/jace.15317
收录类别SCI
语种英语
资助项目Equipment Pre-Research Foundation of China[6140759040102] ; Equipment Pre-Research Foundation of China[6140923040203] ; National Natural Science Foundation of China[51701156] ; National Natural Science Foundation of China[51402313]
WOS研究方向Materials Science
WOS类目Materials Science, Ceramics
WOS记录号WOS:000419096700008
出版者WILEY
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文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/80415
通讯作者Zhong, Yujie; Wang, Jingyang
作者单位1.Xian Univ Technol, Sch Mat Sci & Engn, Xian, Shaanxi, Peoples R China
2.Xian Shiyou Univ, Sch Mat Sci & Engn, Xian, Shaanxi, Peoples R China
3.Chinese Acad Sci, Superalloys Div, Inst Met Res, Shenyang, Peoples R China
4.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang, Liaoning, Peoples R China
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Wang, Xu,Zhong, Yujie,Wang, Dong,et al. Effect of interfacial energy on microstructure of a directionally solidified Al2O3/YAG eutectic ceramic[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY,2018,101(3):1029-1035.
APA Wang, Xu,Zhong, Yujie,Wang, Dong,Sun, Luchao,Jiang, Bailing,&Wang, Jingyang.(2018).Effect of interfacial energy on microstructure of a directionally solidified Al2O3/YAG eutectic ceramic.JOURNAL OF THE AMERICAN CERAMIC SOCIETY,101(3),1029-1035.
MLA Wang, Xu,et al."Effect of interfacial energy on microstructure of a directionally solidified Al2O3/YAG eutectic ceramic".JOURNAL OF THE AMERICAN CERAMIC SOCIETY 101.3(2018):1029-1035.
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