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Crack propagation speed in ceramic during quenching
Shao YF(邵颖峰); Liu BY; Wang XH; Li L(李龙); Wei JC(韦佳辰); Song F(宋凡)
发表期刊JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
2018-07-01
卷号38期号:7页码:2879-2885
ISSN0955-2219
摘要

The effects of water quenching temperature and specimen size on the propagation speed of thermal shock crack are investigated in real time by water quenching of translucent ceramic and high-speed imaging. The results show that the crack growth rate increases with the increase of quenching temperature difference or specimen size. Within 100 ms, average crack speed is 20.3 mm/s at a temperature difference of 400 degrees C in 20 mm wide ceramic and is 11.9 mm/s at a temperature difference of 220 degrees C in 5 mm wide ceramic, respectively. Compare with specimen size, the influence of quenching temperature difference on the crack propagation speed is larger. The calculations based on meso-damage mechanics have similar results to those of experiments. This paper quantitatively studies the thermal-shock crack growth of ceramic in real time and expands the scientific understanding of thermal shock cracking phenomenon of ceramic.

关键词Ceramic Thermal Shock Crack Speed Numerical Simulation Real-time
DOI10.1016/j.jeurceramsoc.2018.02.028
收录类别SCI ; EI
语种英语
WOS记录号WOS:000430647800025
关键词[WOS]THERMAL-SHOCK ; NUMERICAL SIMULATIONS ; PATTERNS ; FRACTURE ; AL2O3 ; MODEL
WOS研究方向Materials Science
WOS类目Materials Science, Ceramics
项目资助者National Natural Science Foundations of China(11572326 ; Strategic Priority Research Program of the Chinese Academy of Sciences(XDB22040102) ; 11472285)
论文分区二类
力学所作者排名1
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77476
专题非线性力学国家重点实验室
推荐引用方式
GB/T 7714
Shao YF,Liu BY,Wang XH,et al. Crack propagation speed in ceramic during quenching[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2018,38(7):2879-2885.
APA Shao YF,Liu BY,Wang XH,Li L,Wei JC,&Song F.(2018).Crack propagation speed in ceramic during quenching.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,38(7),2879-2885.
MLA Shao YF,et al."Crack propagation speed in ceramic during quenching".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 38.7(2018):2879-2885.
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