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Fracture morphology and mechanism of a directionally solidified Al2O3/Y3Al5O12 eutectic single crystal
Wang, Xu; Zhong, Yujie; Wang, Dong; Xian, Quangang; Wang, Jingyang; Lou, Langhong; Zhang, Jian; Wang, X (reprint author), Xian Univ Technol, Dept Mat Sci & Engn, 5 South Jinhua Rd, Xian 710048, Peoples R China.; Wang, X; Wang, D (reprint author), Chinese Acad Sci, Superalloys Div, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2017-07-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume135Pages:46-49
AbstractThe strength and fracture behavior of a directionally solidified Al2O3/Y3Al5O12 eutectic single-crystal were investigated. To identify and classify the toughening mechanism, fractography of the single-crystal was thoroughly analyzed. It was observed that the interfaces between Al2O3 and Y3Al5O12, which hindered the crack propagation, and nm-sized (111) cleavage planes appearing along the tearing ridge of Y3Al5O12 markedly improved the Al2O3/Y3Al5O12 eutectic single-crystal toughness. These results could improve understanding of the microstructure design and deformation mechanism of the Al2O3/Y3Al5O12 eutectic crystal. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.; The strength and fracture behavior of a directionally solidified Al2O3/Y3Al5O12 eutectic single-crystal were investigated. To identify and classify the toughening mechanism, fractography of the single-crystal was thoroughly analyzed. It was observed that the interfaces between Al2O3 and Y3Al5O12, which hindered the crack propagation, and nm-sized (111) cleavage planes appearing along the tearing ridge of Y3Al5O12 markedly improved the Al2O3/Y3Al5O12 eutectic single-crystal toughness. These results could improve understanding of the microstructure design and deformation mechanism of the Al2O3/Y3Al5O12 eutectic crystal. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
description.department[wang, xu ; zhong, yujie] xian univ technol, dept mat sci & engn, 5 south jinhua rd, xian 710048, peoples r china ; [wang, xu ; wang, dong ; xian, quangang ; lou, langhong ; zhang, jian] chinese acad sci, superalloys div, inst met res, 72 wenhua rd, shenyang 110016, peoples r china ; [wang, jingyang ; zhang, jian] chinese acad sci, shenyang natl lab mat sci, inst met res, 72 wenhua rd, shenyang 110016, peoples r china
KeywordAl2o3/y3al5o12 Single Crystal Directional Solidification Interface Fracture Toughness
Subject AreaNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [51631008]; Equipment Pre-Research Foundation of China [6140759040102]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78068
Collection中国科学院金属研究所
Corresponding AuthorWang, X (reprint author), Xian Univ Technol, Dept Mat Sci & Engn, 5 South Jinhua Rd, Xian 710048, Peoples R China.; Wang, X; Wang, D (reprint author), Chinese Acad Sci, Superalloys Div, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Wang, Xu,Zhong, Yujie,Wang, Dong,et al. Fracture morphology and mechanism of a directionally solidified Al2O3/Y3Al5O12 eutectic single crystal[J]. SCRIPTA MATERIALIA,2017,135:46-49.
APA Wang, Xu.,Zhong, Yujie.,Wang, Dong.,Xian, Quangang.,Wang, Jingyang.,...&Wang, D .(2017).Fracture morphology and mechanism of a directionally solidified Al2O3/Y3Al5O12 eutectic single crystal.SCRIPTA MATERIALIA,135,46-49.
MLA Wang, Xu,et al."Fracture morphology and mechanism of a directionally solidified Al2O3/Y3Al5O12 eutectic single crystal".SCRIPTA MATERIALIA 135(2017):46-49.
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