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Effect of Thermal History on Glass Expansion Characteristics
Author(s) -
HAGY H. E.,
RITLAND H. N.
Publication year - 1957
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1957.tb12568.x
Subject(s) - thermal expansion , constant (computer programming) , thermal , thermodynamics , materials science , refractive index , mineralogy , composite material , chemistry , physics , optoelectronics , computer science , programming language
Thermal expansion data are presented for two glasses for both heating and cooling at constant rates. Heating data were taken on samples with varying thermal histories brought about by either constant‐rate cooling or by constant‐temperature stabilization before the expansion test. The fictive temperature concept is discussed in regard to these data. Expansion data are correlated with density and refractive index at room temperature for a variety of heat‐treatments.