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Investigation of Atmospheric Moisture during Heat Treatment of Glass Fibres

Department of Mechanical & Aerospace Engineering, University of Strathclyde, 75 Montrose Street, Glasgow G1 1XJ, UK
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Fibers 2019, 7(4), 27; https://doi.org/10.3390/fib7040027
Received: 27 February 2019 / Revised: 19 March 2019 / Accepted: 20 March 2019 / Published: 1 April 2019
(This article belongs to the Special Issue Advances in Glass Fibers)
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Abstract

The tensile strength of single water-sized E-glass fibres that were thermally conditioned, either in air or under vacuum, was investigated. The vacuum removed water from the conditioning atmosphere, as well as the fibre surfaces, at room temperature but retained tensile strength of fibres treated in the absence of water were not significantly different from those thermally conditioned in a standard air furnace. The results suggest that water, either in the treatment atmosphere or on the surface of the fibres, is not a significant factor in fundamental glass fibre strength loss at an elevated temperature. It may, therefore, be necessary to consider alternative theories to explain this strength loss. View Full-Text
Keywords: glass fibres; thermal conditioning; strength loss; stress corrosion reaction; crack tip shielding glass fibres; thermal conditioning; strength loss; stress corrosion reaction; crack tip shielding
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Jenkins, P.G.; Yang, L.; Thomason, J.L. Investigation of Atmospheric Moisture during Heat Treatment of Glass Fibres. Fibers 2019, 7, 27.

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