| 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.
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| 发表期刊 | JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
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| 2015-04
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| 卷号 | 35期号:4页码:1263-1271 |
| ISSN | 0955-2219
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| 摘要 | The 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. |
| 关键词 | Ceramics
Thermal Shock
Crack Patterns
Numerical Simulations
Size Effect
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| 学科领域 | Materials Science
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| DOI | 10.1016/j.jeurceramsoc.2014.10.032
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| URL | 查看原文
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| 收录类别 | SCI
; EI
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| 语种 | 英语
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| WOS记录号 | WOS:000348084300014
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| 项目资助者 | This 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.
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| 课题组名称 | LNM生物材料微结构和力学性能
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| 论文分区 | 一类
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| 引用统计 |
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| 文献类型 | 期刊论文
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| 条目标识符 | http://dspace.imech.ac.cn/handle/311007/49601
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| 专题 | 非线性力学国家重点实验室
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| 通讯作者 | Song, F (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China. |
推荐引用方式
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.
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| 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.
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| 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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