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Viscoelastic behavior of LY5052 epoxy resin in rubbery state during curing
RISE, Swerea, SICOMP.
RISE, Swerea, SICOMP.ORCID iD: 0000-0002-2841-7188
LuleƄ Tekniska Universitet, Sweden.
2016 (English)In: ECCM 2016 - Proceeding of the 17th European Conference on Composite Materials, European Conference on Composite Materials, ECCM , 2016Conference paper, Published paper (Refereed)
Abstract [en]

The aim of the presented work is to investigate the relationship between the rubbery modulus and the degree of cure for partially to fully cured LY5052 epoxy resin. In particular, this work experimentally tests an existing model defined in shear modulus by redefining into the elastic tensile modulus. Experiments were performed in a Dynamic Mechanical and Thermal Analysis (DMTA) machine in the frequency domain. After the model is tested, super-master curves generated using time-temperature-cure superposition are normalized using the model so that the rubbery modulus made independent on the state of cure, which further simplifies the super-master curves. This results in a unique master curve that describes the viscoelastic behavior of the LY5052 epoxy resin for the given conditions. This consequently could help formulate simplified models to predict viscoelastic behaviour and also develop better experimental methodologies to characterize them.

Place, publisher, year, edition, pages
European Conference on Composite Materials, ECCM , 2016.
Keywords [en]
Curing, Mechanical properties, Thermal analysis, Thermosetting resin, Viscoelasticity, Composite materials, Dynamic mechanical analysis, Elastic moduli, Frequency domain analysis, Thermoanalysis, Thermosets, Dynamic mechanical, Elastic tensile modulus, Experimental methodology, Frequency domains, Super-master curve, Time temperature, Visco-elastic behaviors, Viscoelastic behaviour, Epoxy resins
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-42151Scopus ID: 2-s2.0-85018597037ISBN: 9783000533877 (print)OAI: oai:DiVA.org:ri-42151DiVA, id: diva2:1384394
Conference
17th European Conference on Composite Materials, ECCM 2016, 26 June 2016 through 30 June 2016
Available from: 2020-01-09 Created: 2020-01-09 Last updated: 2020-01-09Bibliographically approved

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Wysocki, Maciej

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CiteExportLink to record
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