Temperature behavior of the free activation energy of viscous flow of glass-forming melts in a wide temperature range

被引：0
|
作者：
D. S. Sanditov
S. B. Munkueva
A. A. Mashanov
B. D. Sanditov
机构：
[1] Buryatia State University,Division of Physical Problems, Buryatia Science Center, Siberian Branch
[2] Russian Academy of Sciences,undefined
来源：
Glass Physics and Chemistry | 2012年 / 38卷
关键词：
viscous flow of glass melts; free energy; temperature behavior;
D O I：
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学科分类号：
摘要：
The Jenckel equation for the temperature dependence of the free activation energy of viscous flow of inorganic glasses has been satisfactorily interpreted within the hole-activation model of viscous flow. “The formation of a fluctuation hole” (deformation of a region of the network) characterizes a preliminary local change in the structure that is necessary for the main elementary act of viscous flow of refractory glass-forming melts, i.e., the switching of bridge valence bonds according to the Muller-Nemilov mechanism.
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页码：379 / 385
页数：6
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