R
Ravi Kumar
Researcher at Indian Institute of Technology Madras
Publications - 86
Citations - 1331
Ravi Kumar is an academic researcher from Indian Institute of Technology Madras. The author has contributed to research in topics: Ceramic & Crystallization. The author has an hindex of 17, co-authored 85 publications receiving 863 citations. Previous affiliations of Ravi Kumar include Indian Institutes of Technology.
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Quasi-static uni-axial compression behaviour of hollow glass microspheres/epoxy based syntactic foams
C. Swetha,Ravi Kumar +1 more
TL;DR: In this paper, the effect of hollow spheres content and wall thickness of the microspheres on the mechanical response of these foams is studied extensively through a series of quasi-static uni-axial compression tests performed at a constant strain rate of 0.001 s−1.
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Dominating role of crystal structure over defect chemistry in black and white zirconia on visible light photocatalytic activity.
TL;DR: Interestingly, black zirconia exemplified relatively limited activity albeit presence of oxygen vacancies, which was attributed to the presence of tetragonal phase and possibly, the insufficient creation of new energy states near valence and conduction band towards Fermi energy level.
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Organosilicon polymer-derived mesoporous 3D silicon carbide, carbonitride and nitride structures as platinum supports for hydrogen generation by hydrolysis of sodium borohydride
TL;DR: In this article, a Pt-supported mesoporosity of 3D SiC and carbonitride structures was used for growing platinum nanoparticles (Pt NPs) by wet impregnation followed by reduction in hydrogen/argon flow.
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Microstructure and mechanical characterization of friction stir welded high strength low alloy steels
TL;DR: In this paper, a tool made of tungsten-rhenium alloy was used to weld 3-mm-thick HSLA plates using FSW and the relationship between microstructure and tensile strength was studied under various welding conditions.
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Mechanical behaviour of polymer derived ceramics – a review
TL;DR: In this paper, the transition of a precursor to an inorganic ceramic by pyrolysis and heat-trea is described, and a variety of applications are envisaged.