Metals and Materials International

, Volume 13, Issue 1, pp 67–75 | Cite as

Residual stress analysis with improved numerical methods for tempered plate glasses based on structural relaxation model

Article

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.

Keywords

tempered glass residual stress visco-elasticity structural relaxation model reduced time fictive temperature 
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Copyright information

© Springer 2007

Authors and Affiliations

  1. 1.Department of Materials Science and Engineering, College of EngineeringSeoul National UniversitySeoulKorea

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