IMECH-IR  > 非线性力学国家重点实验室
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)
Source PublicationJOURNAL OF THE EUROPEAN CERAMIC SOCIETY
2018-07-01
Volume38Issue:7Pages:2879-2885
ISSN0955-2219
Abstract

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.

KeywordCeramic Thermal Shock Crack Speed Numerical Simulation Real-time
DOI10.1016/j.jeurceramsoc.2018.02.028
Indexed BySCI ; EI
Language英语
WOS IDWOS:000430647800025
WOS KeywordTHERMAL-SHOCK ; NUMERICAL SIMULATIONS ; PATTERNS ; FRACTURE ; AL2O3 ; MODEL
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
Funding OrganizationNational Natural Science Foundations of China(11572326 ; Strategic Priority Research Program of the Chinese Academy of Sciences(XDB22040102) ; 11472285)
Classification二类
Ranking1
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/77476
Collection非线性力学国家重点实验室
Recommended Citation
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 邵颖峰,Liu BY,Wang XH,李龙,韦佳辰,&宋凡.(2018).Crack propagation speed in ceramic during quenching.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,38(7),2879-2885.
MLA 邵颖峰,et al."Crack propagation speed in ceramic during quenching".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 38.7(2018):2879-2885.
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