On the detection of carbon fibre storage contamination and its effect on the fibre-matrix interface

Li, Quanxiang, Woodhead, Andrea L, Church, Jeffrey S and Naebe, Minoo 2018, On the detection of carbon fibre storage contamination and its effect on the fibre-matrix interface, Scientific reports, vol. 8, pp. 1-10, doi: 10.1038/s41598-018-34609-y.

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Title On the detection of carbon fibre storage contamination and its effect on the fibre-matrix interface
Author(s) Li, QuanxiangORCID iD for Li, Quanxiang orcid.org/0000-0002-0190-1930
Woodhead, Andrea L
Church, Jeffrey S
Naebe, MinooORCID iD for Naebe, Minoo orcid.org/0000-0002-0607-6327
Journal name Scientific reports
Volume number 8
Article ID 16446
Start page 1
End page 10
Total pages 10
Publisher Nature Publishing Group
Place of publication London, Eng.
Publication date 2018-11-06
ISSN 2045-2322
Keyword(s) Materials chemistry
Surface spectroscopy
Science & Technology
Multidisciplinary Sciences
Summary Contamination caused by inappropriate carbon fibre (CF) storage may have an impact on their end use in reinforced composite materials. Due to the chemical complexity of CFs it is not easy to detect potential contaminants, especially at the early stage during manufacturing and handling. In this paper, X-ray Photoelectron Spectroscopy (XPS), Fourier Transform Infrared (FTIR) spectroscopy and Surface Energy Analysis (IGC-SEA) were used to assess the surfaces of CFs stored in polyolefin zip-lock bags for possible contamination. Only after over 2 months in-bag storage, was XPS capable of detecting a minor increase in nitrogen on the CF surface while FTIR revealed the presence of fatty acid amides and fatty acids, both associated with the storage media. However neither of these techniques were sensitive enough to show significant evolution of the amount of contamination as a function of storage time. In contrast, IGC-SEA distinguished surface energy differences between CFs before and after storage. These differences were found to change as a function of storage time, which were attributed to increases in contamination amounts. Single fibre fragmentation tests indicated that the surface contamination had potential to disrupt the fibre-matrix interface. These findings provide a new method for assessing the surface contamination of CFs with potential application to other materials.
Language eng
DOI 10.1038/s41598-018-34609-y
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2018, The Author(s)
Persistent URL http://hdl.handle.net/10536/DRO/DU:30115747

Document type: Journal Article
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