CC BY 3.0 DESeifert, WolfgangMaschke, AndreasDubiel, Manfred2024-01-082024-01-081998https://oa.tib.eu/renate/handle/123456789/14192https://doi.org/10.34657/13222For many practical cases of tempering the temper stresses calculated by instant freezing theories are sufficient and in good agreement with experiments. The auhors give a brief summary of the theories by Adams and Williamson, Bartenev and Indenbom and discuss their numerical Implementation. For example, frozen-in temper stresses are calculated and discussed within the model of a symmetrically cooled, infinite glass plate. Based on the numerical soludon of the heat conduction equadon with a given heat transfer coefficient, especially the influence of the inidal temperature of quenching is investigated. Furthermore, a numerical algorithm is presented to calculate the temporal evoludon of the permanent temper stresses for Indenbom's theory. Finally, as a practical example, residual stresses are determined in the surface of a tempered glass-particle composite system.enghttps://creativecommons.org/licenses/by/3.0/de/660Article