EFFECT OF VARIATIONS IN WATER-CONTENT ON SUB-TG AGING OF GLASS

被引:5
作者
JEWELL, JM [1 ]
SHELBY, JE [1 ]
机构
[1] ALFRED UNIV, NEW YORK STATE COLL CERAM, GLASS SCI LAB, ALFRED, NY 14802 USA
关键词
D O I
10.1063/1.346905
中图分类号
O59 [应用物理学];
学科分类号
摘要
Sodium trisilicate glasses were heat treated for times up to 1000 h at 400-degrees-C. The rate of structural relaxation that occurs under these conditions is controlled by the initial water content as well as by the changes in water content that occur during the heat treatment. The relaxation of the enthalpy is predicted by the Tool-Narayanaswamy model, providing that the initial differences in water content and the changes which occur during the aging process are included in the model via the activation energy for structural relaxation.
引用
收藏
页码:6159 / 6169
页数:11
相关论文
共 34 条
[1]   ON TEMPERATURE DEPENDENCE OF COOPERATIVE RELAXATION PROPERTIES IN GLASS-FORMING LIQUIDS [J].
ADAM, G ;
GIBBS, JH .
JOURNAL OF CHEMICAL PHYSICS, 1965, 43 (01) :139-&
[2]   SPECTRUM OF VOLUME RELAXATION TIMES IN B2O3 [J].
BOESCH, L ;
NAPOLITA.A ;
MACEDO, PB .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1970, 53 (03) :148-&
[3]   ON MECHANISMS OF STRUCTURAL RELAXATION IN A PD48NI32P20 GLASS [J].
CHEN, HS .
JOURNAL OF NON-CRYSTALLINE SOLIDS, 1981, 46 (03) :289-305
[4]   SUB-SUB-TG ENTHALPY RELAXATION IN A B2O3 GLASS [J].
CHEN, HS ;
KURKJIAN, CR .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1983, 66 (09) :613-619
[5]   SUB-SUB-TG STRUCTURAL RELAXATION IN GLASSY-POLYMERS [J].
CHEN, HS ;
WANG, TT .
JOURNAL OF APPLIED PHYSICS, 1981, 52 (10) :5898-5902
[6]  
COCKRAM DR, 1969, PHYS CHEM GLASSES, V10, P18
[7]  
Crank J., 1975, MATH DIFFUSION, P244
[8]   STRUCTURAL RELAXATION OF LEAD SILICATE GLASS [J].
CRICHTON, SN ;
MOYNIHAN, CT .
JOURNAL OF NON-CRYSTALLINE SOLIDS, 1988, 102 (1-3) :222-227
[9]   ANALYSIS OF STRUCTURAL RELAXATION IN GLASS USING RATE HEATING DATA [J].
DEBOLT, MA ;
EASTEAL, AJ ;
MACEDO, PB ;
MOYNIHAN, CT .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1976, 59 (1-2) :16-21
[10]   HEAT-CAPACITY AND STRUCTURAL RELAXATION OF ENTHALPY IN AS2SE3 GLASS [J].
EASTEAL, AJ ;
WILDER, JA ;
MOHR, RK ;
MOYNIHAN, CT .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 1977, 60 (3-4) :134-138