A test of the Hruby parameter to estimate glass-forming ability

被引:83
|
作者
Cabral, AA [1 ]
Fredericci, C [1 ]
Zanotto, ED [1 ]
机构
[1] UFSCAR SP BRAZIL,DEMA,DEPT MAT ENGN,BR-13565905 SAO CARLOS,SP,BRAZIL
关键词
D O I
10.1016/S0022-3093(97)00327-X
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
Experimental nucleation and growth rates for some glasses that nucleate in the bulk were used to calculate critical cooling rates for glass formation (R-c) by the TTT method. Resulting critical cooling rates were consistent with laboratory melting and quenching and also with experimental data of critical cooling rates for lithium disilicate glass. Strong correlation between the Hruby parameter of glass stability (K-gl) and the glass-forming ability, evaluated by R-c, was found. Therefore, K-gl can be used to estimate the glass-forming ability for glasses that exhibit volume nucleation. (C) 1997 Published by Elsevier Science B.V.
引用
收藏
页码:182 / 186
页数:5
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