Abstract
ABSTRACTThe current analysis examines the efficiency of a composite with polymer matrix reinforced with carbon fibre and graphene at the micro and nano level respectively as an alternative material for aluminium components of Orthotic callipers. An attempt has been made to use both the carbon fibre and graphene as hybrid reinforcement with the matrix as epoxy resin. The addition of graphene and carbon fibre was 2% and 10% respectively by weight of epoxy. Dispersion of graphene was carried out using an ultrasonic sonicator and carbon fibres were a reinforced using hand lay-up technique. The total fabrication was carried out under vacuum to ensure void-free test samples. The samples were tested under tension and 3 Point Bending condition to estimate the Tensile and Flexural properties, under permissible load and deflection criteria. The results found were then compared with presently used material for orthotic callipers extensively used by amputees suffering from the locomotive, gait issues, and polio-affected survivors. The proposed composite showed higher strength, lower deformation and higher stiffness with a lower weight-to-volume ratio as compared to presently used material, i.e. aluminium.
Highlights
As the population is increasing at a faster rate in the same way more cases of disability is being observed
The current analysis examines the efficiency of a composite with polymer matrix reinforced with carbon fibre and graphene at the micro and nano level respectively as an alternative material for aluminium components of Orthotic callipers
It can be revealed from the table that experimental data is lesser than the theoretical showing existence of voids at the surface forming the common boundary within the composites
Summary
Becomes easy for the patients to keep their weakened joints straight and incorrect position [2]. The physically challenged patients are in need of such material which is lighter in weight, provides required strength and stiffness when compared to other materials (ferrous and non-ferrous), should be long-lasting, cost-effective and environmentally inert One such material could be a polymer-based hybrid composite comprising of epoxy as matrix reinforced with graphene and carbon fibre as additives. These are the emerging material in the field of engineering, science, and technology. Graphene and carbon fibre were embedded in a polymeric matrix (Epoxy) for designing side metallic braces of orthotic callipers for polio-infected survivors and patients suffering from locomotion problems and gait movement. The mechanical performance was studied after the experimentation and strength obtained were compared to the presently used aluminium based callipers
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