Regeneration of thermally recycled glass fibre for cost-effective composite recycling: Fundamental study of strength loss of thermally conditioned glass fibre

P. G. Jenkins, L. Yang, J. L. Thomason, J. J. Liggat, S. J. Hinder, J. F. Watts

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

2 Citations (Scopus)

Abstract

Data produced using both unsized and aminopropyltriethoxysilane (APS) coated fibre will be shown and discussed. By applying a novel method of single fibre thermal conditioning (sf-TC) it was found that retained fibre strength is, in some cases, underestimated and that the temperature range 400-500 °C is the most critical for thermally induced strength loss. This is not related to degradation of the APS surface coating, but rather is likely linked to fundamental changes occurring in the glass network or at the fibre surface. X-ray Photoelectron Spectroscopy (XPS) analysis of treated fibres was performed, but it was not possible to measure any significant changes in surface chemical state. Analysis of water volatilized from unsized fibre was performed using a furnace connected to quadropole mass spectrometer. An asymptotic minimum in volatilized water is reached between 400-500 °C.

Original languageEnglish
Title of host publication16th European Conference on Composite Materials, ECCM 2014
ISBN (Electronic)9780000000002
Publication statusPublished - 1 Jan 2014
Event16th European Conference on Composite Materials, ECCM 2014 - Seville, Spain
Duration: 22 Jun 201426 Jun 2014

Conference

Conference16th European Conference on Composite Materials, ECCM 2014
CountrySpain
CitySeville
Period22/06/1426/06/14

Keywords

  • glass fibre
  • surface analysis
  • tensile strength
  • thermal conditioning
  • chemical analysis
  • cost effectiveness
  • lunar surface analysis
  • thermal conductivity
  • X ray photoelectron spectroscopy

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