Numerical Simulation for Thermal Shock Resistance of Ultra-High Temperature Ceramics Considering the Effects of Initial Stress Field
Joint Authors
Cheng, Tianbao
Li, Dingyu
Li, Weiguo
Fang, Daining
Source
Advances in Materials Science and Engineering
Issue
Vol. 2011, Issue 2011 (31 Dec. 2011), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2011-12-18
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Engineering Sciences and Information Technology
Abstract EN
Taking the hafnium diboride ceramic as an example, the effects of heating rate, cooling rate, thermal shock initial temperature, and external constraint on the thermal shock resistance (TSR) of ultra-high temperature ceramics (UHTCs) were studied through numerical simulation in this paper.
The results show that the external constraint has an approximately linear influence on the critical rupture temperature difference of UHTCs.
The external constraint prepares a compressive stress field in the structure because of the predefined temperature field, and this compressive stress field relieves the tension stress in the structure when it is cooled down and then it improves the TSR of UHTCs.
As the thermal shock initial temperature, a danger heating rate (or cooling rate) exists where the critical temperature difference is the lowest.
American Psychological Association (APA)
Li, Weiguo& Cheng, Tianbao& Li, Dingyu& Fang, Daining. 2011. Numerical Simulation for Thermal Shock Resistance of Ultra-High Temperature Ceramics Considering the Effects of Initial Stress Field. Advances in Materials Science and Engineering،Vol. 2011, no. 2011, pp.1-7.
https://search.emarefa.net/detail/BIM-496361
Modern Language Association (MLA)
Li, Weiguo…[et al.]. Numerical Simulation for Thermal Shock Resistance of Ultra-High Temperature Ceramics Considering the Effects of Initial Stress Field. Advances in Materials Science and Engineering No. 2011 (2011), pp.1-7.
https://search.emarefa.net/detail/BIM-496361
American Medical Association (AMA)
Li, Weiguo& Cheng, Tianbao& Li, Dingyu& Fang, Daining. Numerical Simulation for Thermal Shock Resistance of Ultra-High Temperature Ceramics Considering the Effects of Initial Stress Field. Advances in Materials Science and Engineering. 2011. Vol. 2011, no. 2011, pp.1-7.
https://search.emarefa.net/detail/BIM-496361
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-496361
