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Structural Engineering and Mechanics Volume 58, Number 2, April25 2016 , pages 217-230 DOI: https://doi.org/10.12989/sem.2016.58.2.217 |
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Effects of temperature dependent material properties on mixed mode crack tip parameters of functionally graded materials |
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Mohammad Rajabi, Nasser Soltani and Iman Eshraghi
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| Abstract | ||
| Effects of temperature dependent material properties on mixed mode fracture parameters of functionally graded materials subjected to thermal loading are investigated. A domain form of the Jk-integral method including temperature-dependent material properties and its numerical implementation using finite element analysis is presented. Temperature and displacement fields are calculated using finite element analysis and are used to compute mixed mode stress intensity factors using the Jk-integral. Numerical results indicate that temperature-dependency of material properties has considerable effect on the mixed-mode stress intensity factors of cracked functionally graded structures. | ||
| Key Words | ||
| temperature dependent material properties; functionally graded materials; stress intensity factors; thermal gradient | ||
| Address | ||
| Mohammad Rajabi, Nasser Soltani and Iman Eshraghi: Department of Mechanical Engineering, Intelligence Based Experimental Mechanics Center, University of Tehran, Tehran, Iran | ||