1/20/2024 0 Comments Fracture glass photo destroyMartin, H.: Heat and mass transfer between impinging gas jets and solid surfaces. Lee, H., Cho, S., Yoon, K., Lee, J.: Glass thickness and fragmentation behavior in stressed glasses. Gulati, S.T.: Frangibility of tempered soda-lime glass sheet. ĬulletScanner: Version 17.4 (r40671) SoftSolution GmbH (2017)ĮN 12150-1: Glass in building – Thermally toughened soda lime silicate safety glass – Part 1: definition and description German version EN 12150-1 (2015)įineberg, J.: The dynamics of rapidly moving tensile cracks in brittle amorphous material. īarsom, J.M.: Fracture of tempered glass. thesis, Julkaisu-Tampere University of Technology, Publication 1036 (2012)Īronen, A., Karvinen, R.: Effect of glass temperature before cooling and cooling rate on residual stresses in tempering. 80–85 (1965)Īronen, A.: Modelling of deformations and stresses in glass tempering. In: Proceedings of the 7th International Glass Congress, vol. 79–291 (1956)Īkeyoshi, K., Kanai, E.: Mechanical properties of tempered glass. In: Proceedings of the 4th International Glass Congress, vol. The results in this work are a basis for the establishment of a theoretical model to predict macro-scale fracture patterns from elastic strain energy in tempered glass.Īcloque, P.: Deferred processes in the fragmentation of tempered glass. The glass used for the fracture tests was commercial soda-lime-silica glass with three different thicknesses 4, 8 and 12 mm. The relation between the residual stress and the particle base surface of regular polygonal shapes \(n=3\)–8 edges in addition to the cylindrical fragment \((n\rightarrow \infty )\) is also determined. The volume and the base surface as well as the radius of the particles are calculated assuming cylindrical fragments with approximately unchanged thicknesses. The relation between the average particle weight and the measured residual stress is given. Furthermore, the average particle weight of 130 particles per specimen chosen by random was determined. The average fragment density in the observation fields was set in correlation with the average measured residual stress of each specimen. Therefore, fracture tests were carried out on tempered glass plates and the fragments in observation fields of 50 mm \(\times \) 50 mm were counted. ![]() This work presents the relation between the fragment density and the permanent residual stress in fragmented tempered glasses of various thicknesses.
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