Abstract
Glass has useful optical properties but shows unfavorable mechanical performance such as poor impact resistance. As a way to improve such inferior mechanical performance, glass undergoes tempering processes which introduce through-thickness residual stress. Here, the residual stress is numerically analyzed for a soda-lime silicate glass plate under the one-dimensional through-thickness symmetric boundary conditions. As for the constitutive law, the structural relaxation model was used to account for the non-equilibrium thermodynamic state of micro-structures in calculating volume change during cooling and also the visco-elastic nature of mechanical properties. Results obtained using improved numerical methods were compared with experiments as well as results available in previous literatures.
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