Glass Transition Temperature Definition

Chemistry Definition of Glass Transition Temperature

Definition of Glass Transition Temperature:

The glass transition temperature is the temperature at which an amorphous solid becomes soft upon heating or brittle upon cooling. The glass transition temperature is lower than the melting point of its crystalline form, if it has one.

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Helmenstine, Anne Marie, Ph.D. "Glass Transition Temperature Definition." ThoughtCo, Feb. 9, 2017, thoughtco.com/definition-of-glass-transition-temperature-604485. Helmenstine, Anne Marie, Ph.D. (2017, February 9). Glass Transition Temperature Definition. Retrieved from https://www.thoughtco.com/definition-of-glass-transition-temperature-604485 Helmenstine, Anne Marie, Ph.D. "Glass Transition Temperature Definition." ThoughtCo. https://www.thoughtco.com/definition-of-glass-transition-temperature-604485 (accessed January 17, 2018).