Journal
CERAMICS INTERNATIONAL
Volume 39, Issue 8, Pages 9173-9178Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2013.05.018
Keywords
Glass fibers; Alkali corrosion; Tensile strength; Mass loss; Microstructure
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Funding
- Ministry of Science and Technology [2011BAB03B09]
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ECR-glass and high strength glass (S-glass) fibers were treated in 2 mol/l NaOH solution up to 5 h. The strength maintenance ratio and mass loss ratio of the fibers after treatment were investigated. The surface morphologies were characterized using scanning electron microscopy, and changes of chemical composition were analyzed by energy dispersive X-ray spectroscopy and Fourier transform infrared spectrometry. The alkali resistance and tensile strength of the S-glass fibers are higher compared to those of the ECR-glass fibers as they received less alkaline attack because of the more compact SiO2 network and the formation of a protective layer on the S-glass fiber surface. The S-glass fibers have a higher mass loss due to the smaller diameter and thinner corrosion layer. (C) 2013 Published by Elsevier Ltd and Techna Group S.r.l.
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