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2017 | OriginalPaper | Buchkapitel

21. Thermal Stability and Lifetime Prediction of an Epoxide Adhesive System

verfasst von : R. Tiefenthaller, R. Fluch, B. Strauß, S. Hild

Erschienen in: Deformation and Fracture Behaviour of Polymer Materials

Verlag: Springer International Publishing

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Abstract

Epoxide systems, with diglycidyl ether of bisphenol A as the most popular representative, are known for their outstanding thermal stability. Nevertheless, lifetime predictions are indispensable for many applications. Therefore, the change of mechanical properties of an epoxide adhesive system was analysed. The observed embrittlement of the system could be explained and shown by chemical degradation reactions. To determine the long-term stability accelerated testing methods had to be applied: Steel panels were bonded with a thin layer of the adhesive system and aged at elevated temperatures. Lifetime predictions were based on the adhesive strength, which can be evaluated by different methods like peeling or shearing tests. The lifetime was strongly depending on the chosen parameter for the adhesive strength. However, if only the time at the high temperature was calculated, cyclic thermal loads came to the same results as constant high temperature regimes.

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Titel: Thermal Stability and Lifetime Prediction of an Epoxide Adhesive System
verfasst von: R. Tiefenthaller
R. Fluch
B. Strauß
S. Hild
Verlag: Springer International Publishing
Buch: Deformation and Fracture Behaviour of Polymer Materials
Print ISBN: 978-3-319-41877-3

Electronic ISBN: 978-3-319-41879-7

Copyright-Jahr: 2017
DOI: https://doi.org/10.1007/978-3-319-41879-7_21

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