Y. Wang, Q. S. Wang, H. D. Chen, J. H. Sun and L. H. He (2016) Comparative Study on Crack Initiation and Propagation of Glass under Thermal Loading. Journal/Materials 9 17. [In English]
Web link: http://dx.doi.org/10.3390/ma9100794
Keywords: glass; finite element method; thermal stress; crack initiation; crack; growth; TIP-OPENING DISPLACEMENT; WINDOW GLASS; BRITTLE MATERIALS; FRACTURE; STRESS; FIRE; CRITERION; EXTENSION; BREAKING; FIELDS

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.