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Open AccessArticle

Effect of Curing Agent on the Compressive Behavior at Elevated Test Temperature of Carbon Fiber-Reinforced Epoxy Composites

Department of Polymer Engineering, University of Bayreuth, Universitätsstr. 30, 95444 Bayreuth, Germany
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Polymers 2019, 11(6), 943; https://doi.org/10.3390/polym11060943
Received: 2 May 2019 / Revised: 16 May 2019 / Accepted: 20 May 2019 / Published: 31 May 2019
(This article belongs to the Special Issue Thermosets II)
The aim of the underlying research is to understand the effect of elevated test temperatures on the mechanical properties of carbon fiber-reinforced laminates based on three different hardeners. A high-temperature stable adhesive was developed for the end tabs of the specimen. Bifunctional bisphenol A diglycidyl ether (DGEBA) epoxy cured with triethylenetetramine (TETA), isophorone diamine (IPDA), and 4,4′-diaminodiphenylsulfone (DDS) were cured and tested in a Celanese compressive test up to 250 °C. A model by Feih was applied, and sufficient accordance (R2 > 97%) with the compressive data was found. We showed that the network density and the chemical structure of the thermoset network influenced the compressive behavior. View Full-Text
Keywords: Celanese; elevated temperature; compression; carbon fiber; prepreg Celanese; elevated temperature; compression; carbon fiber; prepreg
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MDPI and ACS Style

Bard, S.; Demleitner, M.; Weber, R.; Zeiler, R.; Altstädt, V. Effect of Curing Agent on the Compressive Behavior at Elevated Test Temperature of Carbon Fiber-Reinforced Epoxy Composites. Polymers 2019, 11, 943.

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