A self-healing carbon fibre reinforced polymer for aerospace applications |
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| Affiliation: | 1. Budapest University of Technology and Economics, Faculty of Mechanical Engineering, Department of Polymer Engineering, 1111 Budapest, Műegyetem rkp. 3, Hungary;2. MTA-BME Research Group for Composite Science and Technology, 1111 Budapest, Műegyetem rkp. 3, Hungary;1. Sir Lawrence Wackett Aerospace Research Centre, School of Aerospace, Mechanical and Manufacturing Engineering, RMIT University, GPO Box 2476, Melbourne, Victoria 3001, Australia;2. CSIRO Materials Science and Engineering, Private Bag 33, Clayton South MDC, Victoria 3169, Australia;1. Institute of Composite Structures and Adaptive Systems, German Aerospace Center (DLR), Braunschweig, Germany;2. Institute of Adaptronic and Functional Integration (iAF), Technische Universität Braunschweig, Braunschweig, Germany;1. Department of Polymer Engineering, Faculty of Mechanical Engineering, Budapest University of Technology and Economics, Műegyetem rkp. 3, H-1111 Budapest, Hungary;2. MTA–BME Research Group for Composite Science and Technology, Műegyetem rkp. 3, H-1111 Budapest, Hungary |
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| Abstract: | Self-healing is receiving increasing interest worldwide as a technology to autonomously address the effects of damage in composite materials. This paper describes the results of four point bend flexural testing (ASTM-D6272-02) of T300/914 carbon fibre reinforced epoxy with resin filled embedded hollow glass fibres (HGF) which provided a self-healing functionality. The study investigated the effect of the embedded HGF on the host CFRP mechanical properties and also the healing efficiency of the laminates after they were subjected to quasi-static impact. Specimens were tested in the undamaged, damaged and healed conditions using a commercial two-part epoxy healing agent (Cytec Cycom 823). Microscopic characterisation of the embedded HGF was also undertaken to characterise the effect on the host laminate fibre architecture. |
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