Search Results - "Mahapatra, D. R."

Micro-Crack Bridging Effects on the Tensile and Compressive Strengths of CNT-Epoxy Composites by Gupta, N., Hiremath, S. R., Mahapatra, D. R.

“…Micro-crack bridging and an optimal regime for dispersion of carbon nanotubes (CNTs) in the E-glass fabric reinforced polymer (GFRP) matrix are considered. The…”
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Growth of zinc oxide nanorod structures: pressure controlled hydrothermal process and growth mechanism by Vasireddi, R., Javvaji, B., Vardhan, H., Mahapatra, D. R., Hegde, G. M.

“…Zinc oxide (ZnO) nanorods of various morphologies are grown on zinc substrate by pressure-assisted hydrothermal process and the growth mechanism is…”
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Stabilization of the high-temperature and high-pressure cubic phase of ZnO by temperature-controlled milling by Tiwary, C. S, Vishnu, D, Kole, A. K, Brahmanandam, J, Mahapatra, D. R, Kumbhakar, P, Chattopadhyay, K

“…The reversible transition of wurtzite to rock salt phase under pressure is well reported in literature. The cubic phase is unstable under ambient conditions…”
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A quasi-three-dimensional approach to modeling and analysis of a constrained piezoelectric thin film by Ali, Rizwan, Mahapatra, D.R., Gopalakrishnan, S.

“…This work presents a semi-analytical quasi-three-dimensional model of a piezoelectric thin film intended to describe the performance of the constrained thin…”
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Chemical-free graphene by unzipping carbon nanotubes using cryo-milling by Tiwary, C.S., Javvaji, B., Kumar, C., Mahapatra, D.R., Ozden, S., Ajayan, P.M., Chattopadhyay, K.

“…Current paper reports synthesis of chemical free graphene by unzipping of the carbon nanotubes (CNTs) using high strain rate deformation at 150 K. A specially…”
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Ultrahigh transverse rupture strength in tungsten-based nanocomposites with minimal lattice misfit and dual microstructure by Chakravarty, D., Laxman, N., Jayasree, R., Mane, R.B., Mathiazhagan, S., Srinivas, P.V.V., Das, R., Nagini, M., Eizadjou, M., Venkatesh, L., Ravi, N., Mahapatra, D.R., Vijay, R., Ringer, S.P., Tiwary, C.S.

“…New-generation structural materials with superior properties are a constant demand in applications involving extreme environments. Here, we demonstrate the…”
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A spectral finite element model for analysis of axial–flexural–shear coupled wave propagation in laminated composite beams by Roy Mahapatra, D., Gopalakrishnan, S.

“…A spectral finite element model (SFEM) for analysis of axial–flexural–shear coupled wave propagation in thick laminated composite beams is presented. Range of…”
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Finite element analysis of free vibration and wave propagation in asymmetric composite beams with structural discontinuities by Chakraborty, A., Roy Mahapatra, D., Gopalakrishnan, S.

“…A new refined locking free first-order shear deformable finite element is presented, and its utility in solving free vibration and wave propagation problems in…”
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Design and analysis of a flat accelerometer-based force balance system for shock tunnel testing by Sahoo, Niranjan, Mahapatra, D.R., Jagadeesh, G., Gopalakrishnan, S., Reddy, K.P.J.

“…This paper describes the design and development of a accelerometer-based thin flat balance system for measuring aerodynamic forces on typical flight…”
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Spectral finite element analysis of coupled wave propagation in composite beams with multiple delaminations and strip inclusions by Mahapatra, D.Roy, Gopalakrishnan, S.

“…A spectral finite element model (SFEM) is developed to study the effect of wave scattering and power flow through multiple delaminations and strip inclusions…”
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A spectral finite element with embedded delamination for modeling of wave scattering in composite beams by Nag, A., Roy Mahapatra, D., Gopalakrishnan, S., Sankar, T.S.

“…A spectral finite element for modeling of wave scattering in laminated composite beam with embedded delamination is proposed. The method uses fast Fourier…”
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A spectral finite element for analysis of wave propagation in uniform composite tubes by Mahapatra, D.Roy, Gopalakrishnan, S.

“…A spectral finite element model (SFEM) for analysis of coupled broadband wave propagation in composite tubular structure is presented. Wave motions in terms of…”
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An analytical model of constrained piezoelectric thin film sensors by Ali, R., Roy Mahapatra, D., Gopalakrishnan, S.

“…A new analytical model based on 2D electro-mechanical continuum model is developed to analyze the performance of constrained piezoelectric thin film sensors,…”
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Electronic waste recycling via cryo-milling and nanoparticle beneficiation by Tiwary, C.S., Kishore, S., Vasireddi, R., Mahapatra, D.R., Ajayan, P.M., Chattopadhyay, K.

“…The existing methods for recycling electronic wastes such as the printed circuit boards (PCB), which contains a large number of components and elements, face…”
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An iterative system equivalent reduction expansion process for extraction of high frequency response from reduced order finite element model by Sastry, C.V.S., Roy Mahapatra, D., Gopalakrishnan, S., Ramamurthy, T.S.

“…An iterative system equivalent reduction expansion process (SEREP) is proposed for extraction of high frequency response from a reduced-order model (ROM) under…”
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Subsurface deformation studies of aluminium during wear and its theoretical understanding using molecular dynamics by Tiwary, C. S., Prakash, J., Chakraborty, S., Mahapatra, D. R., Chattopadhyay, K.

“…Adopting the bonded interface technique for wear experiments under vacuum, this paper reports the nature of the localised shear bands that appear at the…”
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Time Domain Characteristics of Electrical Measures for a Piezoelectric Thin Film to Identify Defects in the Substrate by Ali, Rizwaan, Mahapatra, D.R., Gopalakrishnan, S.

“…A reduced 3D continuum model of dynamic piezoelectricity in a thin-film surface-bonded to the substrate/host is presented in this article. While employing…”
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Enhancing field emission from a carbon nanotube array by lateral control of electrodynamic force field by Roy Mahapatra, D., Anand, S.V., Sinha, N., Melnik, R.V.N.

“…Fluctuation of field emission current from carbon nanotubes (CNTs) poses certain difficulties for their use in nano-biomedical X-ray devices and imaging…”
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A refined higher order finite element for asymmetric composite beams by Murthy, M.V.V.S., Roy Mahapatra, D., Badarinarayana, K., Gopalakrishnan, S.

“…A refined 2-node, 4 DOF/node beam element is derived based on higher order shear deformation theory for axial–flexural-shear coupled deformation in…”
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Optoelectronic properties of graphene silicon nano-texture by Brahmanandam, J., Ajmalghan, M., Abhilash, R. K., Mahapatra, D. R., Rahaman, M. R., Hegde, G. M.

“…Graphene on silicon with silicon dioxide quantum dots is a promising opto-electronic material. The optical band gap and the corresponding optical conductivity…”
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