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Determination of young's modulus of elastomers by use of a thermomechanical analyzer
Author(s) -
Hwo ChiuHsiung,
Johnson Julian F.
Publication year - 1974
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1974.070180514
Subject(s) - elastomer , materials science , composite material , dynamic mechanical analysis , modulus , young's modulus , dynamic modulus , spectrum analyzer , polymer science , polymer , engineering , electrical engineering
This work used a conventional thermomechanical analyzer (TMA) to measure the depth of indentation at room temperature of elastomers and Finkin's equation to calculate Young's moduli of elastomers, which have been measured by Drutowski, from the radius of contact of an indentor on thin sheets of sample. Data obtained from the TMA are compared with those measured by radius of contact and Hertz contact theory and are found in good agreement. Measurements of Young's modulus as a function of temperature at different heating rates by TMA were made for an acrylic elastomer. The results are compared with theory and the deviations from theory are discussed.