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Dive into the research topics where Debadhyan Behera is active.

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Featured researches published by Debadhyan Behera.


Chemical Communications | 2011

A facile approach for morphosynthesis of Pd nanoelectrocatalysts

Bikash Kumar Jena; Subash Chandra Sahu; Biswarup Satpati; Ranjan K. Sahu; Debadhyan Behera; Swagatika Mohanty

A facile approach has been developed for synthesis of highly-structured, anisotropic Pd nanostructures. The dendritic Pd nanostructures show superior performance toward oxidation of formic acid and methanol for fuel cell application.


Tribology Transactions | 2013

Erosive Wear Analysis of Plasma-Sprayed Cu Slag–Al Composite Coatings

Sisir Mantry; Debadhyan Behera; Srimant K. Mishra; Debidutta Debasish; B. B. Jha; B.K. Mishra

This article depicts the solid particle erosion response of plasma-sprayed composite coatings using an industrial waste product (i.e., copper slag) and aluminum. The influence of five operating parameters—that is, impact velocity, erodent size, erodent temperature, impingement angle, and aluminum content of feedstock with four different levels each—on performance output (i.e., erosion rate) are studied using Taguchis L16 orthogonal array design. Out of the five parameters, impact velocity has been found to be most influential factor on the erosion wear rate of coated samples. Maximum erosion takes place at an impingement angle of 60°, showing the semiductile response of the coating to solid particle erosion. In addition, a multilinear mathematical equation is proposed in order to predict the wear rate. The percentage of error between experimental data and predicted data was small, with a very high correlation coefficient (r2) of 0.997 showing the correctness of the mathematical equation used.


Surface Engineering | 2013

Deposition of plasma sprayed copper slag coatings on metal substrates

Sisir Mantry; Debadhyan Behera; A Satapathy; B. B. Jha; B.K. Mishra

Abstract Copper slag is a waste product obtained during matte smelting and refining of copper. The present work explores the coating potential of copper slag by plasma spraying. This work shows that copper slag is eminently coatable. When premixed with alumina powder, the coating exhibits higher interfacial adhesion as compared to pure copper slag coatings. Maximum adhesion strengths of about 23 and 27 MPa are recorded in for the coatings of copper slag with 15 wt.% of alumina on aluminium and mild steel substrates respectively. The input power to the plasma torch is found to affect the coating deposition efficiency and morphology of the coatings.


Surface Engineering | 2009

High temperature nitriding of grey cast iron substrates in arc plasma heated furnace

Bijan Bihari Nayak; O P N Kar; Debadhyan Behera; B.K. Mishra

Abstract Grey cast iron substrates were case nitrided at 1000–1100°C by varying several process parameters such as nitriding time, flowrate of N2 and nitriding gas configuration. Ar and H2 were mixed with N2 to change the configuration and to observe their influence on the nitrided case. Nitriding was carried out in a specially designed arc plasma heated reactor with water cooled steel casing. X‐ray diffraction studies show that the nitride peaks arise due to growth of iron nitride phases such as γ′ (Fe4N: 5·7–6·1%N), ϵ (Fe3N: 8–11·2%N) and carbon nitride (C3N4). Typical surface morphologies of the 10–30 μm nitride layer were studied by SEM. Microhardness studies exhibited twofold improvement of surface hardness. Nanoindentation test indicated poor plastic behaviour of the surface. Micro‐Raman spectra of the nitided case established the presence of β‐C3N4, a superhard phase. Nitrided grey cast iron may find use in wear and corrosion resistant dies, machine components and parts in various industrial applications.


High Temperature | 2014

Improvement of microstructural and mechanical properties of plasma sprayed Mo coatings deposited on Al-Si substrates by pre-mixing of Mo with TiN powder

Debidutta Debasish; Sisir Mantry; Debadhyan Behera; B. B. Jha

The present work embodies development of a new class of mechanically improved Mo-TiN coating material using plasma spray technique. The coatings are developed on Al-Si alloy at different torch input power levels ranging from 15 kW to 30 kW. Pre-mixing of TiN with molybdenum enhances adhesion strength and hardness of the coatings. Maximum adhesion strength of 22 MPa (±0.75) and hardness of 748 HV (±30) are found for the coating when molybdenum is pre-mixed with 10% TiN. FESEM micrographs of the as-sprayed coatings showed formation of plate-like structures of splats which indicates TiN sites as reinforcement in Mo matrix. X-ray diffraction study reveals the formation of both MoO2 and TiN as minor phases in the coating microstructure. The significant enhancement of mechanical properties like adhesion strength and hardness is attributed towards the presence of these phases.


Journal of Nanoparticle Research | 2011

Green synthesis of silver nanoparticle by Penicillium purpurogenum NPMF: the process and optimization

Rati Ranjan Nayak; Nilotpala Pradhan; Debadhyan Behera; Kshyama Madhusikta Pradhan; Srabani Mishra; Lala Behari Sukla; B.K. Mishra


Applied Surface Science | 2011

Radio frequency plasma enhanced chemical vapor based ZnO thin film deposition on glass substrate: A novel approach towards antibacterial agent

Jagannath Panigrahi; Debadhyan Behera; Ipsita Mohanty; Umakanta Subudhi; Bijan Bihari Nayak; Bhabani S. Acharya


Journal of Materials Science | 2011

Nanorods of silicon carbide from silicon carbide powder by high temperature heat treatment

Bijan Bihari Nayak; Debadhyan Behera; B.K. Mishra


Ionics | 2010

Study of the microstructural and photoluminescence properties of Li-doped ZnO thin films prepared by spray pyrolysis

Debadhyan Behera; Bhabani S. Acharya


Journal of the American Ceramic Society | 2010

Synthesis of Silicon Carbide Dendrite by the Arc Plasma Process and Observation of Nanorod Bundles in the Dendrite Arm

Bijan Bihari Nayak; Debadhyan Behera; B.K. Mishra

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B.K. Mishra

Council of Scientific and Industrial Research

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Bijan Bihari Nayak

Council of Scientific and Industrial Research

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Bhabani S. Acharya

Council of Scientific and Industrial Research

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B. B. Jha

Council of Scientific and Industrial Research

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Jagannath Panigrahi

Council of Scientific and Industrial Research

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R. Sakthivel

Council of Scientific and Industrial Research

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Sisir Mantry

Council of Scientific and Industrial Research

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Debidutta Debasish

Council of Scientific and Industrial Research

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Swagatika Mohanty

Council of Scientific and Industrial Research

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Umakanta Subudhi

Council of Scientific and Industrial Research

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