DEVITRIFICATION OF A HEAVY-METAL FLUORIDE GLASS

被引：13

作者：

MATECKI, M

NOIRETCHIARUTTINI, I

LUCAS, J

机构：

[1] Université de Rennes-Beaulieu, URA CNRS no. 254, Laboratoire de Chimie Minérale D, 35042 Rennes Cédex, Avenue du General Leclerc

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 1991年 / 127卷 / 02期

关键词：

D O I：

10.1016/0022-3093(91)90135-S

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The kinetic parameters of devitrification on reheating for the BIGaZYbTMn glass were determined using a differential scanning calorimeter. Isothermal and non-isothermal methods led to values of the Avrami's exponent between 1.5 and 2.5, corresponding to a diffusion controlled growth of crystals. The apparent activation energy E in all cases was close to 40 kcal/mol, very similar to ZBLAN glass, indicating an excellent stability of this glass to crystallization.

引用

页码：136 / 142

页数：7

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