Сверхпроводники в электроэнергетике | Сверхпроводники в электроэнергетике

Effect of metallic particle addition to the filling powders on the superconducting properties of ex situ processed MgB2 tapes using milled powders

Physica C, 2022, v.603, N , p.1354172

Superconducting properties of sintered ex situ MgB2 tapes through ball milling process as a function of crystallite size in the as-milled and sintered states

Ключевые слова: MgB2, tapes, milling process, powder processing, grain size, sintering, ex-situ process, fabrication, X-ray diffraction, phase composition, magnetization, temperature dependence, critical caracteristics, Jc/B curves, critical temperature, upper critical fields, irreversibility fields, experimental results

Physica C, 2021, v.583, N , p.1353838

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Kato T., Fujii H.

Improved critical current density property in ex situ processed MgB2 tapes using filling powders with metallic particle addition

Ключевые слова: MgB2, tapes, fabrication, precursors, powder processing, ex-situ process, microstructure, grain structure, X-ray diffraction, critical caracteristics, critical current density, Jc/B curves, magnetization, upper critical fields, irreversibility fields, experimental results

Physica C, 2021, v.591, N , p.1353972

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Kitaguchi H., Fujii H.

Reduced sintering temperature in ex situ processed MgB2 tapes using filling powders with Sn addition

Ключевые слова: MgB2/stainless steel/Fe, tapes, fabrication, ex-situ process, powder processing, doping effect, sintering, grain structure, critical caracteristics, critical current density, Jc/B curves, magnetization, temperature dependence, upper critical fields, irreversibility fields, microstructure, experimental results

Physica C, 2020, v.576, N , p.1353704

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Kitaguchi H., Fujii H., Iwanade A.

WC contamination or addition effect on the superconducting properties in ex situ processed MgB2 tapes using unmilled and ball milled filling powders

Physica C, 2019, v.559, N , p.32-41

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Ito S., Hashizume H., Fujii H.T., Hayasaka R., Sato Y.S.

Comparison of Heat Assisted Lap Joints of High-Temperature Superconducting Tapes With Inserted Indium Foils

Ключевые слова: HTS, tapes, coated conductors, joints, fabrication, comparison, welding, mechanical treatment, DI-Bi2223, REBCO, joint resistances, critical caracteristics, current-voltage characteristics, experimental results

IEEE Transactions Applied Superconductivity, 2019, v.29, N 5-3, p.6600405

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Kitaguchi H., Fujii H., Iwanade A., Kawada S.

The reduction of optimal heat treatment temperature and critical current density enhancement of ex situ processed MgB2 tapes using ball milled filling powder

Ключевые слова: critical caracteristics, grain size, X-ray diffraction, microstructure, Jc/B curves, resistive transition, upper critical fields, temperature dependence, irreversibility fields, MgB2, tapes, fabrication, milling process, heat treatment, ex-situ process

Cryogenics, 2018, v.89, N , p.76-84

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Kitaguchi H., Fujii H., Ozawa K., Itoh S., Ishitoya A.

Improved critical current density in ex situ processed MgB2 tapes by the size reduction of grains and crystallites by high-energy ball milling

Ключевые слова: MgB2/Fe, tapes, fabrication, milling process, grain size, critical caracteristics, critical current density, X-ray diffraction, microstructure, heat treatment, Jc/B curves, magnetization, resistivity, upper critical fields, irreversibility fields, temperature dependence

Cryogenics, 2017, v.82, N , p.15-24

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Kitaguchi H., Fujii H., Ozawa K., Itoh S., Ishitoya A.

Effect of additions of Ca compounds to the filling powder on the reduction of MgO and the critical current density properties of ex situ processed MgB2 tapes

Ключевые слова: MgB2/Fe, ex-situ process, X-ray diffraction, phase composition, magnetization, critical caracteristics, Jc/B curves, microstructure, doping effect, fabrication

J Alloys Compounds, 2016, v.664, N , p.650-656

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Kitaguchi H., Fujii H., Ozawa K.

The effect of refinement ofcarbon-substituted MgB2 filling powder using various starting powders on the microstructure and critical current density of ex situ processed superconducting tapes

Ключевые слова: MgB2/Fe, tapes, PIT process, ex-situ process, precursors, doping effect, powder processing, fabrication, microstructure, critical caracteristics, Jc/B curves

Superconductor Science Technology, 2014, v.27, N 3, p.35002

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Kitaguchi H., Fujii H., Kuroda T., Ye S.

Correlation between the Critical-current Anisotropy and Microstructure of ex-situ Processed MgB2 Tapes Using Carbon-substitution Treatment

Ключевые слова: MgB2/Fe, fabrication, ex-situ process, PIT process, doping effect, texture, critical caracteristics, critical current, anisotropy, susceptibility, magnetic field dependence, experimental results, tapes, substitution

Physics Procedia, 2014, v.58, N 1, p.170-173

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Kitaguchi H., Fujii H., Ozawa K., Itoh S.

Improved Critical Current Density in Ex Situ Processed Carbon-Substituted MgB2 Tapes by Mg-Addition

Ключевые слова: MgB2/Fe, PIT process, ex-situ process, doping effect, critical caracteristics, Jc/B curves, magnetization, fabrication

IEEE Transactions Applied Superconductivity, 2013, v.23, N 3, p.6200405

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Kitaguchi H., Fujii H., Ozawa K.

Improved critical current density in ex situ processed carbon-substituted MgB2 tapes by Mg addition

Ключевые слова: MgB2/Fe, tapes, PIT process, ex-situ process, doping effect, microstructure, fabrication, magnetization curves, temperature dependence, susceptibility, magnetic properties, milling process, critical caracteristics, Jc/B curves

Superconductor Science Technology, 2012, v.25, N 6, p.65008

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Kitaguchi H., Fujii H., Ozawa K.

Effect of the carbon addition to filling powder ball-milled with oils on the critical current density in ex situ processed MgB2 tapes

Ключевые слова: MgB2/Fe, tapes, fabrication, ex-situ process, powder processing, milling process, doping effect, magnetization curves, critical caracteristics, Jc/B curves, magnetic properties, susceptibility

Superconductor Science Technology, 2012, v.25, N 10, p.105008

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Togano K., Kumakura H., Fujii H., Ozawa K.

Detrimental Effects Depending on the Sheath Materials in Ex Situ Processed Heat Treated MgB_2 Wires and Tapes

Ключевые слова: MgB2/Fe, MgB2/Ta, MgB2/Ta/Fe, MgB2/Ta/Cu/stainless steel, sheath, ex-situ process, wires round, magnetic properties, magnetization, hysteresis, transport currents, microstructure, fabrication, experimental results

IEEE Transactions Applied Superconductivity, 2011, v.21, N 3, p.26664-2667

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Fujii H., Ozawa K.

Superconducting properties of PIT-processed MgB2 tapes using Mg(BH4)2 precursor

Ключевые слова: MgB2/Fe, tapes, fabrication, PIT process, precursors, critical caracteristics, Jc/B curves

Superconductor Science Technology, 2011, v.24, N 9, p.95009

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Fujii H., Ozawa K.

Effect of temperature and concentration of solution in chemical treatment for MgB2 powder on the Jc–B property of ex situ processed MgB2 superconducting tapes

Ключевые слова: MgB2/Fe, PIT process, ex-situ process, fabrication, doping effect, composition, heat treatment, critical caracteristics, Jc/B curves, magnetic properties, magnetization, hysteresis, susceptibility, experimental results

Physica C, 2010, v.470, N 5-6, p.326-330

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Fujii H., Ozawa K.

Critical temperature and carbon substitution in MgB2 prepared through the decomposition of Mg(BH4)2

Ключевые слова: MgB2, precursors, doping effect, bulk, fabrication, critical temperature, substitution

Superconductor Science Technology, 2010, v.23, N 12, p.125012

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Togano K., Fujii H., Ozawa K.T.

Effects of both addition and chemical treatment of SiC nanoparticles on the grain coupling and critical current density in ex situ processed MgB2 tapes

Ключевые слова: MgB2/Fe, tapes, nanodoping, PIT process, ex-situ process, fabrication, Jc/B curves, pinning force, critical caracteristics

Superconductor Science Technology, 2008, v.21, N 1, p.15002

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Togano K., Fujii H., Ozawa K.

Grain coupling and critical current density in Fe-sheathed carbon-substituted MgB2 tapes fabricated through an ex situ process using chemically treated powder

Ключевые слова: MgB2/Fe, tapes, PIT process, doping effect, ex-situ process, powder processing, susceptibility, Jc/B curves, pinning force, fabrication, critical caracteristics, magnetic properties

Superconductor Science Technology, 2008, v.21, N 9, p.95018

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Авторы: Fujii H.

Effect of metallic particle addition to the filling powders on the superconducting properties of ex situ processed MgB2 tapes using milled powders

Superconducting properties of sintered ex situ MgB2 tapes through ball milling process as a function of crystallite size in the as-milled and sintered states

Improved critical current density property in ex situ processed MgB2 tapes using filling powders with metallic particle addition

Reduced sintering temperature in ex situ processed MgB2 tapes using filling powders with Sn addition

WC contamination or addition effect on the superconducting properties in ex situ processed MgB2 tapes using unmilled and ball milled filling powders

Comparison of Heat Assisted Lap Joints of High-Temperature Superconducting Tapes With Inserted Indium Foils

The reduction of optimal heat treatment temperature and critical current density enhancement of ex situ processed MgB2 tapes using ball milled filling powder

Improved critical current density in ex situ processed MgB2 tapes by the size reduction of grains and crystallites by high-energy ball milling

Effect of additions of Ca compounds to the filling powder on the reduction of MgO and the critical current density properties of ex situ processed MgB2 tapes

The effect of refinement ofcarbon-substituted MgB2 filling powder using various starting powders on the microstructure and critical current density of ex situ processed superconducting tapes

Correlation between the Critical-current Anisotropy and Microstructure of ex-situ Processed MgB2 Tapes Using Carbon-substitution Treatment

Improved Critical Current Density in Ex Situ Processed Carbon-Substituted MgB2 Tapes by Mg-Addition

Improved critical current density in ex situ processed carbon-substituted MgB2 tapes by Mg addition

Effect of the carbon addition to filling powder ball-milled with oils on the critical current density in ex situ processed MgB2 tapes

Detrimental Effects Depending on the Sheath Materials in Ex Situ Processed Heat Treated MgB_2 Wires and Tapes

Superconducting properties of PIT-processed MgB2 tapes using Mg(BH4)2 precursor

Effect of temperature and concentration of solution in chemical treatment for MgB2 powder on the Jc–B property of ex situ processed MgB2 superconducting tapes

Critical temperature and carbon substitution in MgB2 prepared through the decomposition of Mg(BH4)2

Effects of both addition and chemical treatment of SiC nanoparticles on the grain coupling and critical current density in ex situ processed MgB2 tapes

Grain coupling and critical current density in Fe-sheathed carbon-substituted MgB2 tapes fabricated through an ex situ process using chemically treated powder