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NOTES ON DIAGNOSING CAUSES OF CORDS IN GLASS
Author(s) -
Twyman F.
Publication year - 1922
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.1151-2916.1922.tb17409.x
Subject(s) - impurity , viscosity , mineralogy , materials science , composite material , chemistry , organic chemistry
The physical properties, e. g. , refractivity, viscosity, and expansion coefficient, of cords generally differ from those of the mass of the glass. Methods are described for rapidly ascertaining the relative values of these properties. This information, together with a knowledge of the batch ingredients and possible impurities may afford n certain cases a means of determining the cause of the cords.