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Cryomilling : a critical step for accurate determination of degree of cure and resin content in carbon fibre reinforced thermosetting composites
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Saniee, Nessa Fereshteh , Reynolds, Neil and Kendall, Kenneth N. (2018) Cryomilling : a critical step for accurate determination of degree of cure and resin content in carbon fibre reinforced thermosetting composites. In: Thermosetting Resins, Berlin, Germany, 25-27 Sep 2018. Published in: Proceedings of the Thermosetting Resins 2018 Conference, 25-27 September 2018, Berlin, Germany pp. 71-73. ISBN 9783000608278.
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Official URL: http://thermosetting-resins.de/proceedings-2018/
Abstract
A new specimen preparation method is proposed for thermal analysis to characterise the cure kinetic of thermosetting fibre-reinforced polymers (FRPs). For instance, differential scanning calorimetry (DSC) measurements according to commonly used international standards leads to coefficient of variation up to 23% in enthalpy of reaction and a deviation from the nominal resin content of up to 17% for inhomogeneous materials such as NCF and woven pre-impregnated (prepreg) composites. To address this issue and decrease the coefficient of variation, prepreg fabrics were cryogenically milled to develop a homogeneous powder without altering the chemical reaction in the matrix. The quantitative results showed cryogenic milling decreased the coefficient of variation in enthalpy of reaction to as low as 0.2% and deviation from the nominal resin content of 0.5%.
Item Type: | Conference Item (Paper) | ||||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
Library of Congress Subject Headings (LCSH): | Carbon fiber-reinforced plastics, Fibrous composites | ||||||
Journal or Publication Title: | Proceedings of the Thermosetting Resins 2018 Conference, 25-27 September 2018, Berlin, Germany | ||||||
Publisher: | InnoMat GmbH | ||||||
ISBN: | 9783000608278 | ||||||
Official Date: | 2018 | ||||||
Dates: |
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Page Range: | pp. 71-73 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||
Date of first compliant deposit: | 5 December 2018 | ||||||
Date of first compliant Open Access: | 11 December 2018 | ||||||
Conference Paper Type: | Paper | ||||||
Title of Event: | Thermosetting Resins | ||||||
Type of Event: | Conference | ||||||
Location of Event: | Berlin, Germany | ||||||
Date(s) of Event: | 25-27 Sep 2018 | ||||||
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