Search Results - "Raghunathan, V.S."

Study of transformation behavior in a Ti–4.4 Ta–1.9 Nb alloy by Mythili, R., Paul, V. Thomas, Saroja, S., Vijayalakshmi, M., Raghunathan, V.S.

“…An alloy of composition Ti–4.4 wt.% Ta–1.9 wt.% Nb is being developed as a structural material for corrosion applications, as titanium and its alloys possess…”
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Thermal stability of organo-chromium or chromium organic complexes and vapor pressure measurements on tris(2,4-pentanedionato)chromium(III) and hexacarbonyl chromium(0) by TG-based transpiration method by Pankajavalli, R, Mallika, C, Sreedharan, O.M, Raghunathan, V.S, Antony Premkumar, P, Nagaraja, K.S

“…Thirteen different organo-chromium and chromium organic complexes were synthesized and thermogravimetric studies had been carried out on these complexes in…”
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Study of Surface Morphology in Welds of Ti-5Ta-1.8Nb Alloy Exposed to 11.5 M Boiling Nitric Acid by Dasgupta, Arup, Karthikeyan, T, Saroja, S, Raju, V R, Vijayalakshmi, M, Dayal, R K, Raghunathan, V S

“…This article presents the study on corrosion behavior of welds of a Ti-5%Ta-1.8%Nb alloy--a candidate material for reprocessing plant, where it is exposed to…”
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Sublimation kinetics of scandium [beta]-diketonates by Selvakumar, J, Raghunathan, V.S, Nagaraja, K.S

“…The volatile scandium-[beta]-diketonates are synthesised using acetylacetone (acac) and tetramethyl-heptanedione (tmhd) as coordinative ligands for CVD…”
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Effect of heat treatment on the corrosion behaviour of Ti–5Ta–1.8Nb alloy in boiling concentrated nitric acid by Ravi Shankar, A., Dayal, R.K., Balasubramaniam, R., Raju, V.R., Mythili, R., Saroja, S., Vijayalakshmi, M., Raghunathan, V.S.

“…The effect of heat treatment i.e., stress relieving (SR), mill annealing (MA), solution treatment (ST), aging (AG) and overaging (OA) on the corrosion…”
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Temperature dependence vapour pressure measurements of Mg(tmhd) 2(tmeda) [(tmhd = 2,2,6,6-tetramethyl-3,5-heptanedione, tmeda = N, N, N′, N′-tetramethylethylenediamine] by Maria, Mathew, Selvakumar, J., Raghunathan, V.S., Mathews, Tom, Nagaraja, K.S.

“…The reaction between the magnesium β-diketonate complex Mg(tmhd) 2(H 2O) 2 and 1 equiv. of N, N, N′, N′-tetramethylethylenediamine (tmeda = Me 2NCH 2CH 2NMe 2)…”
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Precursor development, characterisation and evaluation of sublimation enthalpies of novel volatile complexes of nickel by Arockiasamy, S., Mallika, C., Sreetharan, O.M., Raghunathan, V.S., Nagaraja, K.S.

“…Coordination complexes of nickel namely Ni(ohap) 2 ( 1), Ni(ohapim) 2 ( 2) and Ni(ohppim) 2 ( 3) were prepared in a systematic approach and screened for their…”
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Role of thermal stability and vapor pressure of bis(2,2,6,6-tetramethyl-3,5-heptanedionato)magnesium(II) and its triamine adduct in producing magnesium oxide thin film using a plasma-assisted LICVD process by Maria, Mathew, Selvakumar, J., Raghunathan, V.S., Nagaraja, K.S.

“…Thin films of magnesia were deposited on various substrates using plasma-assisted liquid injection chemical vapor deposition with volatile Mg(tmhd) 2·2H 2O (…”
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Nanocrystalline yttria films by plasma-assisted liquid injection (PA-LI) CVD technique using metallorganic precursors by Selvakumar, J., Raghunathan, V.S., Nagaraja, K.S.

“…Nanocrystalline cubic Y 2O 3 film deposition by PA-LICVD was studied at 773 K in a N 2/O 2 plasma environment with methanol and triglyme solution of…”
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Vapor pressure of tetrakis(1,1,1-trifluro-5,6-dimethylheptanedionato)zirconium(IV) and dichlorobis(η 5-cyclopentadienyl)zirconium(IV) by TG-based transpiration technique by Jeevan, T.S. Arul, Mathews, Tom, Raghunathan, V.S., Nagaraja, K.S.

“…Zr(tfpm) 4 (tfpm = 1,1,1-trifluro-5,6-dimethylheptanedionate) ( 1), was prepared and characterized by FT-IR, FABMS (Mol.Wt. = 869) and TG–DTA analyses. The…”
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Selection of optimum microstructure for improved corrosion resistance in a Ti–5%Ta–1.8%Nb alloy by Mythili, R., Saroja, S., Vijayalakshmi, M., Raghunathan, V.S.

“…This paper presents the results on (i) selection of microstructure with improved corrosion resistance in a Ti–5%Ta–1.8%Nb alloy and (ii) optimization of…”
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Microwave processing of sodium beta alumina by Subasri, R, Mathews, Tom, Sreedharan, O.M, Raghunathan, V.S

“…The conventional processing of sodium beta alumina (SBA) which includes synthesis and sintering in order to obtain dense bodies for use as a solid electrolyte…”
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Development, characterisation and rapid evaluation of standard enthalpies of vaporisation and fusion of volatile Bis( N - R -salicylaldimine)nickel(II) ( n - R = methyl to pentyl) complexes for its MOCVD applications by Arockiasamy, S., Sreedharan, O.M., Mallika, C., Raghunathan, V.S., Nagaraja, K.S.

“…Five volatile complexes of nickel namely bis( N - R -salicylaldimine)nickel(II) ( n - R = methyl , ethyl, n -propyl, n -butyl or n -pentyl) were prepared and…”
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Evaluation of enthalpy of sublimation of Zr(tmhd) 4 by using thermogravimetric transpiration method by Jeevan, T.S. Arul, Arockiasamy, S., Mathews, Tom, Raghunathan, V.S., Nagaraja, K.S.

“…The metallo-organic chemical vapour deposition (MOCVD) of ZrO 2 films is promising in various technological fields. Zr(tmhd) 4,…”
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Interface structures in nanocrystalline materials by RANGANATHAN, S, DIVAKAR, R, RAGHUNATHAN, V. S

“…Grain boundary and triple-junction structures in nanocrystalline palladium and titanium thin films and in nanocrystalline thorium dioxide powder and sintered…”
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Microstructure of thick chromium–nitride coating synthesized using plasma assisted MOCVD technique by Dasgupta, Arup, Premkumar, P. Antony, Lawrence, Falix, Houben, L., Kuppusami, P., Luysberg, M., Nagaraja, K.S., Raghunathan, V.S.

“…Thick and hard chromium nitride (CrN) films have been developed by plasma assisted metal organic chemical vapor deposition (PAMOCVD) technique. The coating has…”
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Prediction of microstructural states in Cr-Mo steels using phase evolution diagrams by Saroja, S., Parameswaran, P., Vijayalakshmi, M., Raghunathan, V.S.

“…The present paper introduces a new concept of phase evolution diagram and demonstrates its utility in predicting the subsequent microstructural states and…”
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Microstructure and deformation mode of a stainless steel rupture disc exposed to sodium–water reaction by Sudha, C., Parameswaran, P., Kishore, S., Murthy, C. Meikanda, Rajan, M., Vijayalakshmi, M., Raghunathan, V.S.

“…This paper deals with microstructural studies carried out on an austenitic stainless steel rupture disc which was exposed to sodium–water reaction. The rupture…”
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Plasma assisted metal-organic chemical vapor deposition of hard chromium nitride thin film coatings using chromium(III) acetylacetonate as the precursor by Dasgupta, Arup, Kuppusami, P., Lawrence, Falix, Raghunathan, V.S., Antony Premkumar, P., Nagaraja, K.S.

“…A new technique has been developed for depositing hard nanocrystalline chromium nitride (CrN) thin films on metallic and ceramic substrates using plasma…”
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Microstructural modification due to reheating in multipass manual metal arc welds of 9Cr–1Mo steel by Mythili, R, Thomas Paul, V, Saroja, S, Vijayalakshmi, M, Raghunathan, V.S

“…The present paper describes the modification of the primary solidification structure of the weld region of a 9Cr–1Mo steel weldment, due to reheating during…”
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