Suppressing delaminations in composites across a range of loading modes

Show simple item record M’membe, Beene Yasaee, Mehdi Hallett, Stephen R. Partridge, Ivana K. 2018-12-19T11:35:13Z 2018-12-19T11:35:13Z 2017-08-31
dc.identifier.citation Beene M’membe, Mehdi Yasaee Stephen R. Hallett and Ivana K. Partridge. Suppressing delaminations in composites across a range of loading modes. 21st International Conference on Composite Materials (ICCM21), 20-25 August 2017, Xi'an, China en_UK
dc.description.abstract This study presents two means of achieving high fracture toughness throughout the entire mixed Mode I/II test range, using customised placement of composite and metal Z-pins in hybrid arrays, and novel hybrid metal/composite Z-pins. The study shows that hybrid arrays that contain an equal number of composite and metal Z-pins exhibit a notable increase in the apparent fracture toughness in Mode II compared to 100% composite pins, while maintaining adequate Mode I performance. Hybrid metal/composite Z-pins, which consist of a composite exterior and a metal core have been shown to offer a single Z-pin solution for high fracture toughness under mixed Mode I/II loads without compromising either Mode I or Mode II performance of individual composite or metal Z-pins respectively. The composite exterior of the hybrid Z-pin ensures high resistance to pull-out failure, whilst the metal core guarantees high energy absorption at high mixed mode load angles via plastic deformation. en_UK
dc.language.iso en en_UK
dc.subject Fracture Toughness en_UK
dc.subject Z-pins en_UK
dc.subject Through thickness Reinforcements en_UK
dc.title Suppressing delaminations in composites across a range of loading modes en_UK

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