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Mechanism of eutectic growth in directional solidification of an Al2O3/Y3Al5O12 crystal
Wang, Xu; Wang, Dong; Zhang, Hui; Tian, Zhilin; Du, Kui; Wang, Jingyang; Lou, Langhong; Zhang, Jian; Wang, D (reprint author), Chinese Acad Sci, Inst Met Res, Superalloys Div, 72 Wenhua Rd, Shenyang 110016, Peoples R China.; Wang, JY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2016-04-15
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume116Pages:44-48
AbstractThe Al2O3/Y3Al5O12 eutectic crystal was prepared by an optical floating zone furnace. The grain selection process and competitive growth mechanism of eutectic crystal during directional solidification were investigated byelectron backscattered diffraction and high resolution transition electron microscopy. We found that the interfacial relationships of Al2O3 and YAG were parallel while their growth directions were not, and interfacial energy played a predominant role in controlling the solidification behavior of the Al2O3/Y3Al5O12 eutectic crystal. The competitive growth behavior between [11(1) over bar] and [011] of Y3Al5O12 grains was well discussed. A growth model of the Al2O3/Y3Al5O12 eutectic growth was proposed based on the microstructure evolution. (C) 2016 Elsevier Ltd. All rights reserved.
description.department[wang, xu ; wang, dong ; lou, langhong ; zhang, jian] chinese acad sci, inst met res, superalloys div, 72 wenhua rd, shenyang 110016, peoples r china ; [zhang, hui ; tian, zhilin ; du, kui ; wang, jingyang ; zhang, jian] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china
KeywordAl2o3/y3al5o12 Eutectic Crystal Interface Structure Directional Solidification Electron Backscattered Diffraction
Subject AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [51171193, 51101160, 51402313]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75909
Collection中国科学院金属研究所
Corresponding AuthorWang, D (reprint author), Chinese Acad Sci, Inst Met Res, Superalloys Div, 72 Wenhua Rd, Shenyang 110016, Peoples R China.; Wang, JY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Wang, Xu,Wang, Dong,Zhang, Hui,et al. Mechanism of eutectic growth in directional solidification of an Al2O3/Y3Al5O12 crystal[J]. SCRIPTA MATERIALIA,2016,116:44-48.
APA Wang, Xu.,Wang, Dong.,Zhang, Hui.,Tian, Zhilin.,Du, Kui.,...&Wang, JY .(2016).Mechanism of eutectic growth in directional solidification of an Al2O3/Y3Al5O12 crystal.SCRIPTA MATERIALIA,116,44-48.
MLA Wang, Xu,et al."Mechanism of eutectic growth in directional solidification of an Al2O3/Y3Al5O12 crystal".SCRIPTA MATERIALIA 116(2016):44-48.
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