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Journal of Materials Science

, Volume 13, Issue 4, pp 750–758 | Cite as

A non-linear structural relaxation model for the refractive index of glass during annealing

  • Henry S. -Y. Hsich
Papers

Abstract

A two internal thermodynamic ordering parameter non-linear model is used to explain the structural relaxation of glass. These two internal thermodynamic ordering parameters are also used to characterize the frozen-in structural state of glass. For an isobaric isothermal annealing process, the internal state of the glass can be characterized by the two internal ordering parameters such as fictive temperature,Tf, and configurational part of activation energy,Hs. Therefore, these two internal thermodynamic ordering parameters are used in a non-linear structural relaxation model of glass for explaining the volume relaxation and predicting the refractive index of glass during annealing, and they are also extended to characterize the thermal history of the frozen-in structure of the glassy state.

Keywords

Polymer Activation Energy Refractive Index Structural State Internal State 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman and Hall Ltd 1978

Authors and Affiliations

  • Henry S. -Y. Hsich
    • 1
  1. 1.Brockway Glass Company Inc.BrockwayUSA

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