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THE MODULUS OF ELASTICITY OF GLASS *: I Preliminary Studies: (a) Effect of Thermal History; (b) Effect of Temperature Change
Author(s) -
Stong Guy E.
Publication year - 1937
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.1151-2916.1937.tb19852.x
Subject(s) - young's modulus , materials science , aggregate modulus , composite material , modulus , thermal expansion , elasticity (physics) , bulk modulus , atmospheric temperature range , glass transition , thermal , dynamic modulus , elastic modulus , tangent modulus , thermodynamics , dynamic mechanical analysis , polymer , physics
A bstract An apparatus has been set up with which the modulus of elasticity of glass may be determined with a probable error of ±0.2%. Results are presented showing that the modulus of this glass varies over R range of 7%, depending upon its previous thermal history, the modulus being higher for low‐temperature heat treatments. Determinations of the modulus have been made up to 450°C upon samples having different thermal histories. It has been found that the modulus decreases regularly, the rate of change increasing with rising temperature.