Competitive growth of Al2O3/YAG/ZrO2 eutectic ceramics during directional solidification: Effect of interfacial energy

doi:10.1111/jace.16057

CORC > 金属研究所 > 中国科学院金属研究所

	Competitive growth of Al2O3/YAG/ZrO2 eutectic ceramics during directional solidification: Effect of interfacial energy
	Wang, Xu 2; Zhong, Yujie 1; Sun, Qian 3; Qi, Dongqing 4; Yan, Fuxue 2; Xian, Quangang 4; Wang, Dong 4; Du, Kui 4; Wang, Jingyang 4
刊名	JOURNAL OF THE AMERICAN CERAMIC SOCIETY
	2019-04-01
卷号	102 期号:4 页码:2176-2186
关键词	Al2O3 YAG ZrO2 eutectic ceramics interfaces microstructure orientation
ISSN号	0002-7820
DOI	10.1111/jace.16057
通讯作者	Wang, Xu(xwang@alum.imr.ac.cn) ; Wang, Jingyang(jywang@imr.ac.cn)
英文摘要	The microstructure evolution and growth behavior of the Al2O3/Y3Al5O12(YAG)/ZrO2 ternary eutectic ceramics during directional solidification were well investigated. During directional solidification of the Al2O3/YAG/ZrO2 ternary eutectic ceramics, {1120} Al2O3 paralleled with {001}ZrO2 while they did not parallel with {001}YAG at the same time in the competitive growth stage. All of the interfaces parallel to each other finally. The area percentage of the Al2O3/ZrO2 and YAG/ZrO2 interfaces are 40.4 +/- 0.2% and 30.8 +/- 0.1%, respectively, higher than that of the Al2O3/YAG (28.8 +/- 0.2%). The content of Al2O3 and YAG phases are 39.9% and 41.1%, respectively, almost double of that of ZrO2. The interfaces of Al2O3/ZrO2 and YAG/ZrO2 are shorter and more dispersed than that of the Al2O3/YAG. It was found that the interfacial energy of Al2O3/ZrO2 and YAG/ZrO2 interfaces are lower than that of Al2O3/YAG. It can be concluded that interfacial energy plays a decisive role in affecting the crystallographic orientation and interfaces distribution in the Al2O3/YAG/ZrO2 eutectic since the interfaces of Al2O3/ZrO2 and YAG/ZrO2 with lower interfacial energy can be formed more easily during directional solidification. Therefore, the contents of Al2O3/ZrO2 and YAG/ZrO2 interfaces are higher. This study can provide theoretical guidance for interface design of multi-phase materials.
资助项目	National Natural Science Foundation of China[51701156] ; National Natural Science Foundation of China[51804252] ; Equipment Pre-Research Foundation of China[6140759040102] ; Equipment Pre-Research Foundation of China[6140923040203] ; Doctoral Starting Fund of Xi'an University of Technology[101-451116013]
WOS研究方向	Materials Science
语种	英语
出版者	WILEY
WOS记录号	WOS:000459595500064
资助机构	National Natural Science Foundation of China ; Equipment Pre-Research Foundation of China ; Doctoral Starting Fund of Xi'an University of Technology
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/131971]
专题	金属研究所_中国科学院金属研究所
通讯作者	Wang, Xu; Wang, Jingyang
作者单位	1.Xian Shiyou Univ, Sch Mat Sci & Engn, Xian, Shaanxi, Peoples R China 2.Xian Univ Technol, Sch Mat Sci & Engn, Xian, Shaanxi, Peoples R China 3.Wuhan Univ Technol, Hubei Key Lab Adv Technol Automobile Parts, Wuhan, Hubei, Peoples R China 4.Chinese Acad Sci, Inst Met Res, Shenyang, Liaoning, Peoples R China
推荐引用方式 GB/T 7714	Wang, Xu,Zhong, Yujie,Sun, Qian,et al. Competitive growth of Al2O3/YAG/ZrO2 eutectic ceramics during directional solidification: Effect of interfacial energy[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY,2019,102(4):2176-2186.
APA	Wang, Xu.,Zhong, Yujie.,Sun, Qian.,Qi, Dongqing.,Yan, Fuxue.,...&Wang, Jingyang.(2019).Competitive growth of Al2O3/YAG/ZrO2 eutectic ceramics during directional solidification: Effect of interfacial energy.JOURNAL OF THE AMERICAN CERAMIC SOCIETY,102(4),2176-2186.
MLA	Wang, Xu,et al."Competitive growth of Al2O3/YAG/ZrO2 eutectic ceramics during directional solidification: Effect of interfacial energy".JOURNAL OF THE AMERICAN CERAMIC SOCIETY 102.4(2019):2176-2186.