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Materials 2016, 9(10), 794; doi:10.3390/ma9100794

Comparative Study on Crack Initiation and Propagation of Glass under Thermal Loading

State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230026, China
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Academic Editor: Mark Whittaker
Received: 6 July 2016 / Revised: 7 September 2016 / Accepted: 14 September 2016 / Published: 22 September 2016

Abstract

This paper explores the fracture process based on finite element simulation. Both probabilistic and deterministic methods are employed to model crack initiation, and several commonly used criteria are utilized to predict crack growth. It is concluded that the criteria of maximum tensile stress, maximum normal stress, and maximum Mises stress, as well as the Coulomb-Mohr criterion are able to predict the initiation of the first crack. The mixed-mode criteria based on the stress intensity factor (SIF), energy release rate, and the maximum principal stress, as well as the SIF-based maximum circumferential stress criterion are suitable to predict the crack propagation. View Full-Text
Keywords: glass; finite element method; thermal stress; crack initiation; crack growth glass; finite element method; thermal stress; crack initiation; crack growth
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Wang, Y.; Wang, Q.; Chen, H.; Sun, J.; He, L. Comparative Study on Crack Initiation and Propagation of Glass under Thermal Loading. Materials 2016, 9, 794.

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