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Quantification of micro-scale variability in fibre bundles

Gommer, F.; Endruweit, A.; Long, A.C.

Authors

F. Gommer

A.C. Long



Abstract

Local variations in the random filament arrangement in carbon fibre bundles were determined by optical microscopy and automated image analysis. Successive steps of abrading, polishing and acquiring micro¬graphs of the sample surface made it feasible to analyse the micro-structure over a series of cross-sections along the fibre bundle path. Random and systematic changes in local filament arrangements were determined. Systematic changes were related to the interaction of a fibre bundle with an intersect¬ing binder thread leading to a local increase of the fibre volume fraction at the interface. Random clus¬tering of filaments in areas of high or low fibre volume fractions within the fibre bundles were found to be unaffected by the relative position of the bundle.

Journal Article Type Article
Publication Date 2016-08
Journal Composites Part A: Applied Science and Manufacturing
Print ISSN 1359-835X
Electronic ISSN 1359-835X
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 87
Pages 131-137
APA6 Citation Gommer, F., Endruweit, A., & Long, A. (2016). Quantification of micro-scale variability in fibre bundles. Composites Part A: Applied Science and Manufacturing, 87, 131-137. https://doi.org/10.1016/j.compositesa.2016.04.019
DOI https://doi.org/10.1016/j.compositesa.2016.04.019
Keywords Carbon fibres; Microstructures; Statistical properties/methods; Optical microscopy
Publisher URL http://dx.doi.org/10.1016/j.compositesa.2016.04.019
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by/4.0





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