Tampere University of Technology

TUTCRIS Research Portal

Effect of glass temperature before cooling and cooling rate on residual stresses in tempering

Research output: Contribution to journalArticleScientificpeer-review

Standard

Effect of glass temperature before cooling and cooling rate on residual stresses in tempering. / Aronen, Antti; Karvinen, Reijo.

In: Glass Structures Engineering, Vol. 3, No. 1, 03.2018, p. 3-15.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

APA

Vancouver

Author

Aronen, Antti ; Karvinen, Reijo. / Effect of glass temperature before cooling and cooling rate on residual stresses in tempering. In: Glass Structures Engineering. 2018 ; Vol. 3, No. 1. pp. 3-15.

Bibtex - Download

@article{b6e720eaba224c5fa7b78beda0e05dd9,
title = "Effect of glass temperature before cooling and cooling rate on residual stresses in tempering",
abstract = "Understanding of heat transfer and development of the temperature field in a glass during tempering is very important because it affects the quality. By numerical modeling, it is possible to study the effect of glass temperature before cooling and the values of heat transfer coefficients which determine the cooling rate and material properties on transient and residual stresses during cooling. Also, the effect of thermal and mechanical properties of glass, which are obtained experimentally, can be easily observed. In the present study, the tempering process of glass sheets with different glass thicknesses has been simulated. The paper presents modeling results, which explain the effect of the initial temperature before cooling and cooling rate on the residual and transient stresses of glass sheets of different thicknesses. The paper also shows that results can be presented independent of glass thickness by using two variables: the maximum temperature difference between surface and mid-plane during the cooling and the difference between glass transition and glass initial temperature. Because the mechanical properties of glass are experimental and are not very accurately known, the effect of their variation on residual stresses is also shown.",
author = "Antti Aronen and Reijo Karvinen",
year = "2018",
month = "3",
doi = "10.1007/s40940-017-0053-6",
language = "English",
volume = "3",
pages = "3--15",
journal = "Glass Structures Engineering",
issn = "2363-5150",
publisher = "Springer International Publishing AG",
number = "1",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Effect of glass temperature before cooling and cooling rate on residual stresses in tempering

AU - Aronen, Antti

AU - Karvinen, Reijo

PY - 2018/3

Y1 - 2018/3

N2 - Understanding of heat transfer and development of the temperature field in a glass during tempering is very important because it affects the quality. By numerical modeling, it is possible to study the effect of glass temperature before cooling and the values of heat transfer coefficients which determine the cooling rate and material properties on transient and residual stresses during cooling. Also, the effect of thermal and mechanical properties of glass, which are obtained experimentally, can be easily observed. In the present study, the tempering process of glass sheets with different glass thicknesses has been simulated. The paper presents modeling results, which explain the effect of the initial temperature before cooling and cooling rate on the residual and transient stresses of glass sheets of different thicknesses. The paper also shows that results can be presented independent of glass thickness by using two variables: the maximum temperature difference between surface and mid-plane during the cooling and the difference between glass transition and glass initial temperature. Because the mechanical properties of glass are experimental and are not very accurately known, the effect of their variation on residual stresses is also shown.

AB - Understanding of heat transfer and development of the temperature field in a glass during tempering is very important because it affects the quality. By numerical modeling, it is possible to study the effect of glass temperature before cooling and the values of heat transfer coefficients which determine the cooling rate and material properties on transient and residual stresses during cooling. Also, the effect of thermal and mechanical properties of glass, which are obtained experimentally, can be easily observed. In the present study, the tempering process of glass sheets with different glass thicknesses has been simulated. The paper presents modeling results, which explain the effect of the initial temperature before cooling and cooling rate on the residual and transient stresses of glass sheets of different thicknesses. The paper also shows that results can be presented independent of glass thickness by using two variables: the maximum temperature difference between surface and mid-plane during the cooling and the difference between glass transition and glass initial temperature. Because the mechanical properties of glass are experimental and are not very accurately known, the effect of their variation on residual stresses is also shown.

U2 - 10.1007/s40940-017-0053-6

DO - 10.1007/s40940-017-0053-6

M3 - Article

VL - 3

SP - 3

EP - 15

JO - Glass Structures Engineering

JF - Glass Structures Engineering

SN - 2363-5150

IS - 1

ER -