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The Sag Point of Glasses
Author(s) -
HIRAYAMA CHIKARA
Publication year - 1962
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.1151-2916.1962.tb11095.x
Subject(s) - softening point , softening , thermodynamics , index (typography) , viscosity , materials science , point (geometry) , mineralogy , mathematics , composite material , chemistry , physics , geometry , computer science , world wide web
The determination of the sag point is described. This index of the softening temperature of a glass is simply determined. The equation relating this useful index to the approximate viscosity in this temperature region is presented.