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Reference Number EP/S004688/1
Title Vertically Aligned Ferromagnetic-fibre Reinforced (VAFeR) Films for Enhanced Damage Tolerant Composites
Status Completed
Energy Categories Renewable Energy Sources(Wind Energy) 50%;
Not Energy Related 50%;
Research Types Basic and strategic applied research 100%
Science and Technology Fields PHYSICAL SCIENCES AND MATHEMATICS (Metallurgy and Materials) 50%;
ENGINEERING AND TECHNOLOGY (Mechanical, Aeronautical and Manufacturing Engineering) 50%;
UKERC Cross Cutting Characterisation Not Cross-cutting 100%
Principal Investigator Dr M Yasaee
No email address given
Sch of Aerospace, Transport & Manufac
Cranfield University
Award Type Standard
Funding Source EPSRC
Start Date 01 October 2018
End Date 31 January 2021
Duration 28 months
Total Grant Value £169,548
Industrial Sectors Manufacturing
Region East of England
Programme Manufacturing : Manufacturing, NC : Engineering
 
Investigators Principal Investigator Dr M Yasaee , Sch of Aerospace, Transport & Manufac, Cranfield University (100.000%)
  Industrial Collaborator Project Contact , National Composites Centre (0.000%)
Project Contact , Formtech Composites Ltd. (0.000%)
Web Site
Objectives
Abstract It is well established that delamination damage is the dominant failure mechanism in laminated composites. There have been numerous technologies proposed to address this failure mechanism, with many state-of-the art methods such as Z-pinning, tufting, nano fibre reinforcements all suffering from problems such as manufacturing challenges, inconsistent toughening performance and expensive materials and infrastructure costs. For this reason there has been very little commercial use of these technologies in industry. There is clearly a need for a low cost, consistent and widely applicable through thickness reinforcement technology for composite structures.In this proposal a new concept is introduced which can deliver through thickness aligned micro-fibre reinforcements at the critical interfaces within a composite material. Using electromagnetic field alignment, ferromagnetic micro-fibres will be vertically orientated within a polymer resin film which can then be interleaved in a composite material during the standard layup process. During the cure process, the softening of the resin and the applied pressure will consolidate the layers, forcing the aligned reinforcements to penetrate the adjoining laminates, providing a mechanism which will significantly increase the fracture toughness of composite materials. With this approach, highly damage tolerant composite structures can be produced at a fraction of the costs relative to current technologies. Several practical and scientific challenges will be investigated in three key objectives:(1) Identify ferromagnetic micro fibre materials with high magnetic field susceptibility, high stiffness and strength and compatible with a suitable thermosetting resin system(2) Produce VAFeR films with capability to control various operating conditions for alignment and integration of the micro-fibres within a partially cured thermosetting resin film(3) Investigate effect of micro-fibre length and volume content on the mechanical performance of composite laminates with the application of the VAFeR filmsThis is an exciting opportunity to develop a new cost effective procedure with capability to significantly increase the damage tolerance capability of composite structures, a potentially transformative prospect for the UK composites research and industry.
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Added to Database 28/03/19