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Authors Förster, T. ; Sommer, G. S. ; Mäder, E. ; Scheffler, C.
Title Surface, interphase and tensile properties of unsized, sized and heat treated basalt fibres
Date 11.11.2016
Number 50681
Abstract Recycling of fibre reinforced polymers is in the focus of several investigations. Chemical and thermal treatments of composites are the common ways to separate the reinforcing fibres from the polymer matrices. However, most sizings on glass and basalt fibre are not designed to resist high temperatures. Hence, a heat treatment might also lead to a sizing removal, a decrease of mechanical performance and deterioration in fibre-matrix adhesion. Different basalt fibres were investigated using surface analysis methods as well as single fibre tensile tests and single fibre pull-out tests in order to reveal the possible causes of these issues. Heat treatment in air reduced the fibre tensile strength in the same level like heat treatment in nitrogen atmosphere, but it influenced the wetting capability. Re-sizing by a coupling agent slightly increased the adhesion strength and reflected a decreased post-debonding friction.
Publisher IOP Conference Series: Materials Science and Engineering
Wikidata
Citation IOP Conference Series: Materials Science and Engineering 139 (2016) ID012019
DOI https://doi.org/1/012019
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