Effects of silane coating on the properties of glass fibre and glass fibre reinforced epoxy resin

S.P. Reilly, J.L. Thomason

Research output: Contribution to conferencePaper

Abstract

Single fibre tensile testing and microbond testing have been used to benchmark the influence of silane coupling agents on the performance of glass fibre for reinforced epoxy resin composites. Retention of fibre strength and optimisation of the fibre-matrix interphase in such composites is critical for improving performance for the longer term reliability of that performance. This poster will focus on a key component in the formation of that interphase, the fibre surface sizing and in particular on the critical role of the silane used in these sizings. It is thought that these coupling agents can directly control the stress transfer capability of the interphase and also play a defining role in the long term performance of composites- through their influence on adhesion and fibre strength. Glass fibre samples were coated with single and blended silanes and these fibres were characterised by single fibre testing for strength and modulus. The effect on interfacial strength in epoxy resin has been measured using the microbond test. The results of the single fibre tensile testing demonstrated that the fibre strength improves with single silane application and that applying a blend of silanes has a synergistic result. The adhesion results from the microbond tests will also be discussed.
LanguageEnglish
PagesPaper 009
Number of pages10
Publication statusPublished - 7 Jun 2010
Event14th European Conference on Composite Materials, ECCM14 - Budapest, Hungary
Duration: 7 Jun 201010 Jun 2010

Conference

Conference14th European Conference on Composite Materials, ECCM14
CityBudapest, Hungary
Period7/06/1010/06/10

Fingerprint

Epoxy Resins
Silanes
Epoxy resins
Glass fibers
Coatings
Fibers
Coupling agents
Tensile testing
Composite materials
Adhesion
fiberglass
Testing

Keywords

  • silane coating
  • glass fibre
  • epoxy resin

Cite this

Reilly, S. P., & Thomason, J. L. (2010). Effects of silane coating on the properties of glass fibre and glass fibre reinforced epoxy resin. Paper 009. Paper presented at 14th European Conference on Composite Materials, ECCM14, Budapest, Hungary, .
Reilly, S.P. ; Thomason, J.L. / Effects of silane coating on the properties of glass fibre and glass fibre reinforced epoxy resin. Paper presented at 14th European Conference on Composite Materials, ECCM14, Budapest, Hungary, .10 p.
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Reilly, SP & Thomason, JL 2010, 'Effects of silane coating on the properties of glass fibre and glass fibre reinforced epoxy resin' Paper presented at 14th European Conference on Composite Materials, ECCM14, Budapest, Hungary, 7/06/10 - 10/06/10, pp. Paper 009.

Effects of silane coating on the properties of glass fibre and glass fibre reinforced epoxy resin. / Reilly, S.P.; Thomason, J.L.

2010. Paper 009 Paper presented at 14th European Conference on Composite Materials, ECCM14, Budapest, Hungary, .

Research output: Contribution to conferencePaper

TY - CONF

T1 - Effects of silane coating on the properties of glass fibre and glass fibre reinforced epoxy resin

AU - Reilly, S.P.

AU - Thomason, J.L.

PY - 2010/6/7

Y1 - 2010/6/7

N2 - Single fibre tensile testing and microbond testing have been used to benchmark the influence of silane coupling agents on the performance of glass fibre for reinforced epoxy resin composites. Retention of fibre strength and optimisation of the fibre-matrix interphase in such composites is critical for improving performance for the longer term reliability of that performance. This poster will focus on a key component in the formation of that interphase, the fibre surface sizing and in particular on the critical role of the silane used in these sizings. It is thought that these coupling agents can directly control the stress transfer capability of the interphase and also play a defining role in the long term performance of composites- through their influence on adhesion and fibre strength. Glass fibre samples were coated with single and blended silanes and these fibres were characterised by single fibre testing for strength and modulus. The effect on interfacial strength in epoxy resin has been measured using the microbond test. The results of the single fibre tensile testing demonstrated that the fibre strength improves with single silane application and that applying a blend of silanes has a synergistic result. The adhesion results from the microbond tests will also be discussed.

AB - Single fibre tensile testing and microbond testing have been used to benchmark the influence of silane coupling agents on the performance of glass fibre for reinforced epoxy resin composites. Retention of fibre strength and optimisation of the fibre-matrix interphase in such composites is critical for improving performance for the longer term reliability of that performance. This poster will focus on a key component in the formation of that interphase, the fibre surface sizing and in particular on the critical role of the silane used in these sizings. It is thought that these coupling agents can directly control the stress transfer capability of the interphase and also play a defining role in the long term performance of composites- through their influence on adhesion and fibre strength. Glass fibre samples were coated with single and blended silanes and these fibres were characterised by single fibre testing for strength and modulus. The effect on interfacial strength in epoxy resin has been measured using the microbond test. The results of the single fibre tensile testing demonstrated that the fibre strength improves with single silane application and that applying a blend of silanes has a synergistic result. The adhesion results from the microbond tests will also be discussed.

KW - silane coating

KW - glass fibre

KW - epoxy resin

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Reilly SP, Thomason JL. Effects of silane coating on the properties of glass fibre and glass fibre reinforced epoxy resin. 2010. Paper presented at 14th European Conference on Composite Materials, ECCM14, Budapest, Hungary, .