Effect of kinetic energy on stress behavior of coated glass plates
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Glass plates are generally coated with films to improve their ability to withstand external wind and impacts. In this study, the effects of the kinetic energy of impacting objects on the dynamic behavior of coated glass plates are investigated using a powerful impact finite element approach in conjunction with the Reddy’s higher-order shear deformation theory and a generalized power law. The results show that, unlike most homogeneous materials, which show the maximum principal stress σ1 on the surface right under-neath the indenter, the coated glass plate investigated in this study shows the maximum principal stress σ1 on the interface between film and glass. This indicates that the film–glass interface is more prone to failure than the other layer. The simulation approach es-tablished in this study allows the quantitative evaluation of the impact behavior of coated glass plates according to the impact veloci-ty.
Abstract
Glass plates are generally coated with films to improve their ability to withstand external wind and impacts. In this study, the effects of the kinetic energy of impacting objects on the dynamic behavior of coated glass plates are investigated using a powerful impact finite element approach in conjunction with the Reddy’s higher-order shear deformation theory and a generalized power law. The results show that, unlike most homogeneous materials, which show the maximum principal stress σ1 on the surface right under-neath the indenter, the coated glass plate investigated in this study shows the maximum principal stress σ1 on the interface between film and glass. This indicates that the film–glass interface is more prone to failure than the other layer. The simulation approach es-tablished in this study allows the quantitative evaluation of the impact behavior of coated glass plates according to the impact veloci-ty.
참고문헌 (7)
- W. Goldsmith, "Impact. The Theory and Physical Behaviour of Colliding Solids" (1960), Edward Arnold Ltd
- H. D. Kang, "International Journal of Mechanical and Production Engineering Research and Development (IJMPERD)", International Journal of Mechanical and Production Engineering Research and Development(IJMPERD), 8(6), pp.193~200 (2018)
- K. C. Ahn, "A comparative study on the impact behaviour of the coating glass plates by FSDT and HSDT", International Journal of Mechanical and Production Engineering Research and Development (IJMPERD), 8(6), pp.479~486 (2018)
- K. C. Ahn, "Impact response of the film mechanical properties of the coated glass plate", International Journal of Mechanical and Production Engineering Research and Development (IJMPERD), 9(2), pp.499~506 (2019)
- S. N. V. R. K. Kurapati, "Indentation load-displacement relations for the spherical indentation of elastic film", substrate structures, 2010, pp.20(10), 1~17
- J. N. Reddy, "A simple higher-order theory for laminated composite plates", Journal of Applied Mechanics(ASME), 51(4), pp.745~752 (1984)
- H. D. Kang, "A study on the dynamic behavior of the coating tempered glass plate under impact", International Journal of Mechanical Production and Engineering Research and Development, (IJMPERD), 16(6), pp.193~200 (2018)