Vincent, J D S; Yong, A X H; Gower, M; Giannis, S (2024) Ensuring measurement confidence in recycled carbon fibres. Proceedings of the 21st European Conference on Composite Materials, 7. pp. 78-83.

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Abstract

Single fibre tensile testing is widely used for direct measurement of strength of reinforcements in composite materials. As the drive to enhance the circularity in composite materials gain momentum, developing standards and good practices to qualify recycled fibres is becoming an absolute necessary. This study investigates the applicability of ISO 11566:1996 to recycled carbon fibres by comparing the mechanical properties against those of their virgin precursor. Recycled fibres are often tested at shorter gauge lengths because of their nature which can lead to overestimation of tensile strength. To investigate the effect of testing fibres at shorter gauge lengths both virgin and recycled fibres were tested at several gauge lengths to determine the variation in tensile strengths with respect to gauge length. Thus, the efficacy of using existing standards for recycled carbon fibres was investigated.

Item Type:	Article
Subjects:	Advanced Materials > Composites
Divisions:	Materials and Mechanical Metrology
Identification number/DOI:	10.60691/yj56-np80
Last Modified:	25 Sep 2024 14:31
URI:	https://eprintspublications.npl.co.uk/id/eprint/10062