Journal
JOURNAL OF THERMAL STRESSES
Volume 38, Issue 3, Pages 325-337Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/01495739.2015.1015369
Keywords
Crack; Electric current; Heat flow; Thermoelectric material; Two-dimensional problem
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Funding
- National Natural Science Foundation of China [11232007, 11202099, 11172255]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
- Fundamental Research Funds for the Central Universities [NS2012031]
- NSF [CMMI-1235535]
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The two-dimensional problem of a crack in thermoelectric materials is studied in this research. The general solution is derived based on the complex variable method. For the case of a crack subjected to remote electric current and heat flow, the solutions are obtained in closed-form. The results show that the fields of heat flow, electric current, and stress exhibit traditional square-root singularity at the crack tip. The remote electric current produces both type I and II stress intensity factor. Furthermore, the stress intensity factor has a linear relationship with the heat flux, but a non-linear relationship with the electric current.
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