http://repository.iitr.ac.in/handle/123456789/26755| Title: | Anticorrosive and electromagnetic shielding response of a graphene/TiO2-epoxy nanocomposite with enhanced mechanical properties |
| Authors: | Kumar, Arun Anant R. Kumar K. Chauhan S.S. Kumar S. Kumar R. |
| Published in: | RSC Advances |
| Abstract: | The effect of TiO2 nanoparticles (25-35 nm), graphene (GP) and the combination (TiO2 + graphene) on anti-corrosion, EMI shielding and mechanical properties of an epoxy matrix have been studied. The nanocomposites were prepared with the help of an ultrasonic mixing process. Field Emission Scanning Electron Microscopy (FESEM) and transmission electron microscopy (TEM) were used to identify the morphology of fillers and their distribution in the epoxy matrix. The graphene/TiO2-epoxy nanocomposite (epoxy + 0.25 wt% GP + 0.25 wt% TiO2) showed excellent anti-corrosion performance with maximum corrosion protection increased up to 99.96% and also exhibited a total shielding effectiveness (SET) of -11 dB (>90% attenuation) compared to neat epoxy with SET ≈ -3 dB (50% attenuation). The graphene/TiO2-epoxy nanocomposite showed maximum enhancement of about 36% and 84% in tensile strength and storage modulus respectively as compared to neat epoxy. © The Royal Society of Chemistry. |
| Citation: | RSC Advances, 6(114): 113405-113414 |
| URI: | https://doi.org/10.1039/c6ra15273b http://repository.iitr.ac.in/handle/123456789/26755 |
| Issue Date: | 2016 |
| Publisher: | Royal Society of Chemistry |
| Keywords: | Corrosion Corrosion protection Corrosion resistance Electron microscopy Field emission microscopes Graphene High resolution transmission electron microscopy Mechanical properties Nanocomposites Scanning electron microscopy Shielding Tensile strength Titanium dioxide Transmission electron microscopy Anti-corrosion Anti-corrosive Anticorrosion performance Epoxy matrices Epoxy nanocomposites Field emission scanning electron microscopy Shielding effectiveness Ultrasonic mixing Electromagnetic shielding |
| ISSN: | 20462069 |
| Author Scopus IDs: | 57223779688 50461062400 7402676311 57202713700 57301748600 57220843204 |
| Author Affiliations: | Kumar, A., Department of Metallurgical and Materials Engineering, Indian Institute of Technology Roorkee, Roorkee, 247667, India Anant, R., Department of Metallurgical and Materials Engineering, Indian Institute of Technology Roorkee, Roorkee, 247667, India Kumar, K., Department of Metallurgical and Materials Engineering, Indian Institute of Technology Roorkee, Roorkee, 247667, India Chauhan, S.S., Centre for Polymer Science and Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India Kumar, S., Department of Metallurgical and Materials Engineering, Indian Institute of Technology Roorkee, Roorkee, 247667, India Kumar, R., Department of Metallurgical and Materials Engineering, Indian Institute of Technology Roorkee, Roorkee, 247667, India |
| Funding Details: | |
| Corresponding Author: | Kumar, K.; Department of Metallurgical and Materials Engineering, India; email: kaushalbsr@gmail.com |
| Appears in Collections: | Journal Publications [HRE] |
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