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Development and application of a quality control and property assurance methodology for reclaimed carbon fibres based on the HiPerDiF method and interlaminated hybrid specimens

Research output: Contribution to journalArticle

Original languageEnglish
Number of pages8
JournalAdvanced Manufacturing: Polymer and Composites Science
Early online date2 Apr 2018
DOIs
DateAccepted/In press - 20 Mar 2018
DateE-pub ahead of print (current) - 2 Apr 2018

Abstract

To promote the usage of recycled composite material, it is of paramount importance to develop quality control and property assurance methodologies compatible with the format of reclaimed fibers. In this paper, the concept of using interlaminated hybrid specimens, whose tensile response has been tailored with the aid of the Damage mode map, is exploited to unambiguously identify the reclaimed fibers failure strain. The interlaminated hybrid specimens
are manufacturing by sandwiching a layer of aligned discontinuous reclaimed carbon fibers produced with the HiPerDiF (High Performance Discontinuous Fibre) method between continuous glass fibers. The reliability of the obtained results is compared with results obtained with single fiber tensile tests. The developed methodology is then applied to the investigation of the strength retention of carbon fibers reclaimed through a solvolysis process and to the effects of the fiber length on the HiPerDiF alignment process.

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