An Analytical Model to Predict the Effects of Heating Rate and Applied Load on Glass Transition Temperatures of Dental Porcelain
- 1 May 1986
- journal article
- research article
- Published by SAGE Publications in Journal of Dental Research
- Vol. 65 (5) , 643-647
- https://doi.org/10.1177/00220345860650050201
Abstract
An analytical model was developed to predict the effects of heating rate and load on the glass transition temperature (Tg) of dental porcelain. An equation similar to the Moynihan equation relating heating rate to Tg was found for midspan load. The validity of the analytical model was demonstrated by using viscosity data from one published study to predict Tg behavior in an independent study. Values of Tg calculated with the analytical model for a dilatometer specimen were found to be higher than Tg values calculated for a bending beam viscometer.Keywords
This publication has 16 references indexed in Scilit:
- Viscoelastic Analysis of the Split Ring SealJournal of the American Ceramic Society, 1983
- Viscoelastic-Elastic Composites: I, General TheoryJournal of the American Ceramic Society, 1982
- Measurement of Softening Temperatures in Dental Bake-on PorcelainsJournal of Dental Research, 1982
- Glass Transition Temperatures of Dental PorcelainJournal of Dental Research, 1981
- Calculation of Interfacial Stress in Porcelain-fused-to-metal SystemsJournal of Dental Research, 1980
- Thermal expansion of dental alloys and porcelainsJournal of Biomedical Materials Research, 1980
- Dependence of the glass transition temperature on heating and cooling rateThe Journal of Physical Chemistry, 1974
- A Model of Structural Relaxation in GlassJournal of the American Ceramic Society, 1971
- Experimental Evaluation of Beam‐Bending Method of Determining Glass Viscosities in the Range 108 to 1015 PoisesJournal of the American Ceramic Society, 1963
- Analysis of Bi-Metal ThermostatsJournal of the Optical Society of America, 1925