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Processing,structure and flexural strength of CNT and carbon fibre reinforced,epoxy-matrix hybrid composite |
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| Authors: | K Chandra Shekar M Sai Priya P K Subramanian Anil Kumar B Anjaneya Prasad N Eswara Prasad |
| Affiliation: | 1. Department of Mechanical Engineering, Vignan Institute of Technology and Science, Deshmukhi, Hyderabad, 508 284, India 2. Department of Metallurgical and Materials Engineering, Mahatma Gandhi Institute of Technology, Gandipet, Hyderabad, 500 075, India 3. Advanced Systems Laboratory, DRDO, P. O. Kanchanbagh, Hyderabad, 500 058, India 4. Department of Mechanical Engineering, Jawaharlal Nehru Technological University, Hyderabad, 500 085, India 5. Regional Centre for Military Airworthiness (Materials), CEMILAC, DRDO, P. O. Kanchanbagh, Hyderabad, 500 058, India |
| Abstract: | Advanced materials such as continuous fibre-reinforced polymer matrix composites offer significant enhancements in variety of properties, as compared to their bulk, monolithic counterparts. These properties include primarily the tensile stress, flexural stress and fracture parameters. However, till date, there are hardly any scientific studies reported on carbon fibre (Cf) and carbon nanotube (CNT) reinforced hybrid epoxy matrix composites (unidirectional). The present work is an attempt to bring out the flexural strength properties along with a detailed investigation in the synthesis of reinforced hybrid composite. In this present study, the importance of alignment of fibre is comprehensively evaluated and reported. The results obtained are discussed in terms of material characteristics, microstructure and mode of failure under flexural (3-point bend) loading. The study reveals the material exhibiting exceptionally high strength values and declaring itself as a material with high strength to weight ratio when compared to other competing polymer matrix composites (PMCs); as a novel structural material for aeronautical and aerospace applications. |
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