Zobrazeno 1 - 10
of 89
pro vyhledávání: '"M.I. Medvedev"'
Autor:
P. A. Alekseev, V.E. Keilin, M.I. Medvedev, S.L. Kruglov, V. N. Lazukov, D. I. Shutova, I.A. Kovalev
Publikováno v:
Technical Physics. 52:1148-1154
The influence of doping intermetallics based on rare-earth elements and ceramics with an extremely high low-temperature specific heat on the stability of combined NbTi superconductors against electromagnetic disturbances is studied experimentally and
Autor:
P. A. Alekseev, V. N. Lazukov, S.L. Kruglov, D. I. Shutova, V.E. Keilin, I.A. Kovalev, M.I. Medvedev
Publikováno v:
Superconductor Science and Technology. 20:71-76
The influence of doping NbTi-based composite superconductors with extremely large capacity substances (LHCSs) on their stability towards electromagnetic disturbances was investigated both experimentally and numerically. The samples comprised of stand
Autor:
M.I. Medvedev, E.A. Kostrov, P. A. Alekseev, I.A. Kovalev, I.I. Akimov, V.E. Keilin, V. N. Lazukov, Shikov Aleksandr K, Darya I. Shutova, S.L. Kruglov, I. P. Sadikov
Publikováno v:
IEEE Transactions on Applied Superconductivity. 16:1172-1175
The comparative study of stability increase of NbTi conductors with extremely large heat capacity substances-LHCS (CeCu6 and HoCu2) additions was carried out. The short samples were made as follows. Mono & multi-filamentary wires 0.83-0.85 mm dia wit
Autor:
Shikov Aleksandr K, D.B. Gusakov, E.V. Kotova, M.I. Medvedev, I.I. Akimov, D.N. Rakov, V.S. Kruglov, V.A. Vargin
Publikováno v:
IEEE Transactions on Appiled Superconductivity. 15:2466-2469
SEM, XRD-data, and critical properties are presented which concern to Bi-2223 composite tapes processed under various conditions. The multifilamentary tapes were made by the PIT procedure with using of extrusion and/or drawing and tape rolling. Initi
Autor:
Shikov Aleksandr K, I.I. Akimov, M.I. Medvedev, A.E. Vorobieva, V. I. Pantsyrny, D.B. Gusakov
Publikováno v:
IEEE Transactions on Appiled Superconductivity. 14:1035-1038
Different constructions of magnesium diboride composites superconductors are presented. Magnesium powder prepared by the melt pulverization and boron powder as well have been used as initial materials in frames of "powder-in-tube" method to producing
Autor:
V.E. Klepatsky, N.I. Kozlenkova, E.V. Antipova, M.I. Medvedev, E.S. Dontsova, N.E. Khlebova, V.A. Vargin, E.Y. Kazakov, Shikov Aleksandr K, Nikulin Anatolij D, I.I. Akimov
Publikováno v:
IEEE Transactions on Magnetics. 30:2368-2371
An investigation was carried out into the critical properties and specific features of structure in composite tapes with a core material of composition 2:2:2:3,2 in a bismuth system produced by the freeze drying technique and taken at different stage
Autor:
F.V. Popov, N.I. Kozlenkova, V. S. Kruglov, V.E. Klepatsky, Nikulin Anatolij D, V.A. Vargin, Shikov Aleksandr K, T. A. Davlat'yan, I.I. Akimov, E.V. Antipova, E. Yu. Klimenko, M.I. Medvedev, E.G. Kazakov
Publikováno v:
IEEE Transactions on Magnetics. 32:2800-2802
Critical properties and structural features have been studied using composite tape silver sheathed Bi-2223 base superconductors manufactured by "powder in tube" method from precursors containing phase Bi-2212 in the range of 0-90%. The critical curre
Autor:
A. V. Naumov, A. K. Shikov, M.I. Medvedev, N. I. Salunin, A E Vorobjeva, S.L. Kruglov, A A Iljin, I.A. Kovalev, D. I. Shutova, V.E. Keilin, L. V. Potanina
Publikováno v:
Superconductor Science and Technology. 25:115017
During the past decade we have been carrying out R&D aimed at increasing the stability of low temperature superconducting magnets. The main idea is to enhance the superconductor temperature margin by means of introduction into the winding of several
Autor:
D. I. Shutova, Shikov Aleksandr K, I.A. Kovalev, M.I. Medvedev, S.L. Kruglov, A E Vorobjeva, V.E. Keilin
Publikováno v:
Superconductor Science and Technology. 22:085007
Two samples of Nb3Sn multifilamentary wires 0.82 mm diameter were prepared by the bronze method. One of the samples was internally doped with 7 vol% of PrB6, a large heat capacity substance (LHCS), while the other sample did not contain any LHCS and
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