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Size effect of thermal shock crack patterns in ceramics and numerical predictions
Wu XF; Jiang CP; Song F(宋凡); Li J; Shao YF(邵颖峰); Xu XH(许向红); Yan P; Song, F (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Source PublicationJOURNAL OF THE EUROPEAN CERAMIC SOCIETY
2015-04
Volume35Issue:4Pages:1263-1271
ISSN0955-2219
AbstractThe present work examines the size effect of thermal shock crack patterns in ceramics and develops quantitative predictions. A set of water-quenching experiments on thin ceramic specimens of different widths yielded two-dimensional, periodic and hierarchical readings of thermal shock crack patterns, which showed the strong size-dependence of the crack length and length hierarchy, and the size-independence of the crack spacing. Furthermore, the effective convective heat transfer coefficients inversely estimated from the crack spacing data were observed to be size-independent. Such a finding may help engineers to assess the thermal shock failure of practical ceramic components by designing specimens of standard size. Numerical simulations were conducted and the results are in good agreement with experimental data. Several interesting phenomena of the evolution of thermal shock crack patterns were revealed and discussed. The present study has led to a much improved scientific understanding of thermal shock cracking phenomenon of ceramics. (C) 2014 Elsevier Ltd. All rights reserved.
KeywordCeramics Thermal Shock Crack Patterns Numerical Simulations Size Effect
Subject AreaMaterials Science
DOI10.1016/j.jeurceramsoc.2014.10.032
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000348084300014
Funding OrganizationThis work was supported by the National Natural Science Foundation of China (Grants nos. 11172023, 11232013, 11472285 and 11302009), the Fundamental Research Funds for the Central Universities and funding from the French ANR program T-Shock ANR-10-INTB-0915.
DepartmentLNM生物材料微结构和力学性能
Classification一类
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Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49602
Collection非线性力学国家重点实验室
Corresponding AuthorSong, F (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Wu XF,Jiang CP,Song F,et al. Size effect of thermal shock crack patterns in ceramics and numerical predictions[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2015,35(4):1263-1271
APA Wu XF.,Jiang CP.,宋凡.,Li J.,邵颖峰.,...&Song, F .(2015).Size effect of thermal shock crack patterns in ceramics and numerical predictions.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,35(4),1263-1271.
MLA Wu XF,et al."Size effect of thermal shock crack patterns in ceramics and numerical predictions".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 35.4(2015):1263-1271.
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