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Title: The development and impact performance of a self-healing carbon fibre reinforced polymer material
Author: Kay, Matthew
ISNI:       0000 0004 2729 5777
Awarding Body: University of Bristol
Current Institution: University of Bristol
Date of Award: 2011
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Self-healing systems provide an opportunity to improve the damage tolerance of fibre reinforced polymers. This experimental study examines a hollow glass fibre (HGF) self- healing system embedded within a host carbon fibre/epoxy laminate. The performance of the laminate under various impact velocities ranging from quasi-static indentation to hypervelocity impact was assessed. The influence of the self-healing agent properties on the healing efficiency of the laminate has been established. Extensive fractography analysis was used to understand the mechanisms responsible for HGF rupture. The HGF laminate was shown to be capable of restoring laminate flexural strength after indentation damage. However, the self-healing response was not successfully initiated during low velocity and hypervelocity impacts. By investigating the reasons for these results it has been shown that the rupture of HGF is reliant upon the formation of matrix shear cracks. The thesis concludes by proposing a set of design guidelines for future self-healing materials and presents a new hollow fibre design.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available