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Mechanics of Composite Materials
Erschienen in: Mechanics of Composite Materials 1/2018

05.03.2018

Determination of the Glass-Transition Temperature of GRPS and CFRPS Using a Torsion Pendulum in Regimes of Freely Damped Vibrations and Quasi-Stastic Torsion of Specimens

verfasst von: V. O. Startsev, M. P. Lebedev, M. V. Molokov

Erschienen in: Mechanics of Composite Materials | Ausgabe 1/2018

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Abstract

A method to measure the glass-transition temperature of polymers and polymeric matrices of composite materials with the help of an inverse torsion pendulum over a wide range of temperatures is considered combining the method of free torsional vibrations and a quasi-static torsion of specimens. The glass-transition temperature Tg of a KMKS-1-80. T10 fiberglass, on increasing the frequency of freely damped torsional vibrations from 0.7 to 9.6 Hz, was found to increase from 132 to 140°С. The value of Tg of these specimens, determined by measuring the work of their torsion through a small fixed angle was 128.6°C ± 0.8°C. It is shown that the use of a torsion pendulum allows one to determine the glass-transition temperature of polymeric or polymer matrices of PCMs in dynamic and quasi-static deformation regimes of specimens.
Vorheriger Artikel Physical-Mechanical Properties of a Fiber-Reinforced Composite Based on an ELUR-P Carbon Tape and XT-118 Binder
Nächster Artikel A Micromechanical Method for the Analysis of Three-Dimensional Smart Composites

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Metadaten
Titel
Determination of the Glass-Transition Temperature of GRPS and CFRPS Using a Torsion Pendulum in Regimes of Freely Damped Vibrations and Quasi-Stastic Torsion of Specimens
verfasst von
V. O. Startsev
M. P. Lebedev
M. V. Molokov
Publikationsdatum
05.03.2018
Verlag
Springer US
Erschienen in
Mechanics of Composite Materials / Ausgabe 1/2018
Print ISSN: 0191-5665
Elektronische ISSN: 1573-8922
DOI
https://doi.org/10.1007/s11029-018-9713-0

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