Abstract

Glass transition temperatures (Tg) determined at high rates of heating or cooling are essential for applications involving stress relief during cooling from firing of glass‐to‐metal seals and dental restorations. The measurement of Tg at heating rates as high as 600°C min−1 is reported. These high‐rate data, when combined with previously reported low‐rate (≤20°C min‐1) values, indicate that the Arrhenius‐type relation between Tg and heating or cooling rate is maintained into the high‐rate regime.

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