Theory and Analysis of Early Stage of Spinodal Decomposition of Vitreous Systems with Relaxing Structure

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概要

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• The interaction distance 7< in 80B.0.-l5Pb0'5AlzO. glass and 0.l32Na.0?0.868Si0z slass is obtained as 15.8 A which satisfies 7?>>ro (ro : nearest neinhbordistance). The paramerer /0 of Langer's scaling analysis is obtained to be very largefor these glasses. Therefore, the linearized Cahn theory holds for the early stages.The relaxation of 8'J8c' besides 7) is intrdduced to take place during aging theseverely quenched glass. The theory taking into consideration of thermal fluctua-tions and the relaxation of 8'f78c" and D is dev<cloped.In the above two glasses with the very different thermal history each other,time evolution kinetics in SAXS spectra can be elucidated by this theory. Cahn-Cook's amplification factor spectra after the termination of all the relaxationprocesses show the typical characteristics of the early stage of the decomposition.

• 社団法人日本物理学会の論文
• 1978-07-15

著者

• Yokota Ryosuke

  Toshiba Research And Development Center Tokyo Shibaura Electric Co. Ltd. :technological University O

関連論文

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