Search Results - "Srivastava, A P"

Understanding the effect of irradiation temperature on microstructural evolution of 20MnMoNi55 steel by Srivastava, A. P., Sharma, S. K., Saini, S., Neogy, S., Ghosh, S. K., Kabiraj, D., Tewari, R.

“…In this study, the effect of irradiation temperature on microstructural evolution of Indian RPV steel is reported. This study, by virtue of helium ion…”
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Physical properties of Okra seed by SAHOO, P. K, SRIVASTAVA, A. P

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Correlation of soft magnetic properties with free volume and medium range ordering in metallic glasses probed by fluctuation microscopy and positron annihilation technique by Srivastava, A.P., Srivastava, D., Sudarshan, K., Sharma, S.K., Pujari, P.K., Majumdar, B., Suresh, K.G., Dey, G.K.

“…Amorphous ribbons of different thicknesses of Co64.5Fe3.5Si16B14Ni2 alloy were synthesized using the melt spinning technique by varying wheel speed. The effect…”
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One-step synthesis of tin oxide nanoparticles in aqueous solution induced by free radicals by Keny, S.J., Srivastava, A.P., Debnath, A.K., Adhikari, S., Rath, M.C.

“…Tin oxide nanoparticles of uniform size with around 5 nm distribution were synthesized in the aqueous solution of stannous chloride under an oxidizing…”
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The effect of Ag addition on the crystallization kinetics and glass forming ability of Zr-(CuAg)-Al bulk metallic glass by Saini, Sanjay, Srivastava, A.P., Neogy, Suman

“…In this study, the effect of Ag addition on the crystallization kinetics and glass forming ability (GFA) of Zr-(CuAg)-Al based bulk metallic glasses were…”
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Structural, microstructural and magnetic properties of Melt-Spun Y1-xTbxFe2 alloys by Arout Chelvane, J., Pavan Kumar, T., Arvindha Babu, D., Srivastava, A.P.

“…•Melt spinning process was found to aid grain refinement in Y1-xTbxFe2 alloy ribbons.•Structural studies indicated presence of pro-peritectic phase in the…”
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Local structure investigation of Co–Fe–Si–B ribbons by extended X‐ray absorption fine‐structure spectroscopy by Deshmukh, A. A., Srivastava, A. P., Singh, J. P., Kumar, Manish, Chae, K. H., Asokan, K., Palikundwar, U. A.

“…In the present work, extended X‐ray absorption fine‐structure (EXAFS) investigations of Co69FexSi21–xB10 (x = 3, 5, 7) glassy ribbons were performed at the Co…”
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Probing Phase Evolution Behavior during Nanocrystallization of Metallic Glass Using Positron Annihilation Spectroscopy by Srivastava, A. P., Srivastava, D., Dey, G. K., Sudarshan, K., Pujari, P. K.

“…Positron annihilation lifetime spectroscopy and coincidence Doppler broadening (CDB) techniques have been used to study the nanocrystallization behavior of…”
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Study on Thermal Stability of Zr46Cu40−xAg6+xAl8 (x = 0 & 2.5) Bulk Metallic Glass by Saini, Sanjay, Srivastava, A. P., Neogy, S., Tewari, R.

“…Bulk metallic glasses with nominal compositions of Zr 46 Cu 40− x Ag 6+ x Al 8 ( x  = 0 & 2.5) were prepared by copper mold casting technique. Different…”
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Microstructural and mechanical property evolution of Ar9+ ion irradiated Zr-based alloys - effect of initial microstructure and alloying addition by Devi, Aruna, Menon, R., Sharma, S. K., Saini, S., Srivastava, A. P., Neogy, S., Tewari, R.

“…This work endeavours to bring out the role of initial microstructural features and alloying additions in the irradiation response of a material. Three Zr-based…”
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Microstructural investigation of Zirconium alloys subjected to oxygen ions irradiations by Tewari, R., Sanyal, G., Viswanath, B., Mukharjee, P., Barat, P., Srivastava, A. P., Saha, S., Muraleedharan, K., Dey, G. K.

“…In this study, samples of zircaloy-2 were irradiated with oxygen ion beam (O 5+ ions with 116 MeV energy) to fluence varying from 10 13 to 10 15  ion/cm 2 …”
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Proton irradiation of Zr-1 wt.% Nb cladding material: A depth-wise assessment of inhomogeneous microstructural damage using X-ray diffraction line profile analyses by Neogy, S, Mukherjee, P, Srivastava, A P, Singh, M N, Gayathri, N, Sinha, A K, Srivastava, D, Dey, G K

“…The present work summarizes the effect of irradiation on the microstructure of Zr-1 wt.% Nb fuel cladding alloy using 5 MeV proton beam from a Variable Energy…”
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Conversion of diamond polishing powder to high-density isotropic nano-crystalline graphite through spark plasma sintering by Alexander, Rajath, Ravikanth, K. V., Gonal, M. R., Srivastava, A. P., Dasgupta, Kinshuk

“…Conversion of diamond polishing powders into graphite nano-crystals and simultaneous densification to high-density graphite were achieved through spark plasma…”
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Proton irradiation of Ni–Cr alloy: Understanding the evolution of the damage microstructure by Srivastava, A.P., Gayathri, N., Saini, S., Maheshwari, Priya, Neogy, S., Sharma, S.K., Ghosh, P.S., Mukherjee, P., Pujari, P.K.

“…In the present study a Cr-rich Ni-base alloy has been irradiated with 6.5 MeV energy protons at room temperature. X-ray diffraction of irradiated samples could…”
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Microstructural investigation of irradiation damage behavior of proton irradiated Zr-1 wt.% Nb fuel cladding alloy by Saini, S., Gayathri, N., Sharma, S.K., Devi, Aruna, Srivastava, A.P., Neogy, S., Mukherjee, P., Pujari, P.K.

“…In the present study the irradiation damage behavior of Zr-1 wt.% Nb fuel cladding alloy was investigated using X-ray diffraction (XRD), positron annihilation…”
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Influence of wheel speed during planar flow melt spinning on the microstructure and soft magnetic properties of Fe68.5Si18.5B9Nb3Cu1 ribbons by Srinivas, M., Majumdar, B., Akhtar, D., Srivastava, A. P., Srivastava, D.

“…The structure and soft magnetic properties of Fe 68.5 Si 18.5 B 9 Nb 3 Cu 1 (at.%) alloy ribbons produced through planar flow melt spinning at different wheel…”
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Multiple relaxation processes in Zr44Cu40Al8Ag8 bulk metallic glass by Srivastava, A.P., Ștefanov, T., Srivastava, D., Browne, D.J.

“…In this study, relaxation dynamics of Zr44Cu40Al8Ag8 Bulk Metallic Glass (BMG) have been studied using mechanical spectroscopy. This alloy has manifested a…”
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Understanding microstructural evolution and soft magnetic properties in nanocrystallized metallic glass Fe68.5Cu1Nb3Si18.5B9 by Srivastava, A. P., Srivastava, D., Sharma, S. K., Pujari, P. K., Suresh, K. G., Dey, G. K.

“…Microstructural evolution during nanocrystallization of amorphous metallic glass Fe 68.5 Si 18.5 Nb 3 B 9 Cu 1 has been studied. The effect of microstructural…”
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A study on microstructure, magnetic properties and kinetics of the nanocrystallization of Fe40Ni38B18Mo4 metglass by SRIVASTAVA, A. P, SRIVASTAVA, D, DEY, G. K

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Structure, Properties, and Glass Forming Ability of Melt-Spun Fe-Zr-B-Cu Alloys with Different Zr/B Ratios by Arvindha Babu, D., Majumdar, B., Srivastava, A. P., Ramakrishna Rao, B., Srivastava, D., Murthy, B. S., Akhtar, D.

“…Melt-spun ribbons of Fe 99– x – y Zr x B y Cu 1 alloys with x  +  y  = 11 and x  +  y  = 13 were prepared under similar experimental conditions and…”
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