岡 徹雄

  • 1882 引用
  • 22 h指数
1990 …2019
Pureに変更を加えた場合、すぐここに表示されます。

研究成果 1990 2019

フィルター
Article
Article

Accuracy of AC transport current loss in HTS tape measurements using a pick-up loop

Ogawa, J., Fukui, S., Oka, T., Sato, T., Maruko, A. & Tanaka, H., 2009 6 1, : : IEEE Transactions on Applied Superconductivity. 19, 3, p. 2391-2394 4 p., 5109567.

研究成果: Article

Superconducting tapes
tapes
alternating current
Temperature
Critical currents
1 引用 (Scopus)

AC loss distribution in two-layer HTS cable

Ogawa, J., Fukui, S., Oka, T., Ogawa, T. & Sugai, M., 2018 4 1, : : IEEE Transactions on Applied Superconductivity. 28, 3, 5900104.

研究成果: Article

Superconducting cables
cables
alternating current
Magnetic fields
Temperature
10 引用 (Scopus)

A construction of high temperature superconducting motor using YBCO bulk magnets

Itoh, Y., Yanagi, Y., Yoshikawa, M., Oka, T., Harada, S., Sakakibara, T., Yamada, Y. & Mizutani, U., 1994 1 1, : : Physica C: Superconductivity and its applications. 235-240, PART 5, p. 3445-3446 2 p.

研究成果: Article

Liquid nitrogen
liquid nitrogen
Magnets
magnets
YBCO superconductors
5 引用 (Scopus)

AC transport current loss characteristics of HTS assembled conductors arranged edge-to-edge or face-to-face

Ogawa, J., Fukui, S., Oka, T., Yamaguchi, M., Sato, T., Kume, S., Shinkai, K. & Sato, S., 2008 6 1, : : IEEE Transactions on Applied Superconductivity. 18, 2, p. 1353-1357 5 p., 4515899.

研究成果: Article

Superconducting tapes
tapes
alternating current
conductors
Tapes

A Numerical Proposal of an After Heating Method for Pulse Field Magnetization for HTS Bulk Magnets

Ogawa, J., Oka, T., Fukui, S., Sato, T. & Watanabe, N., 2015 6 1, : : IEEE Transactions on Applied Superconductivity. 25, 3, 6945334.

研究成果: Article

Magnets
proposals
Magnetization
magnets
Magnetic fields
26 引用 (Scopus)

Application of HTS bulk magnet system to the magnetic separation techniques for water purification

Oka, T., Kanayama, H., Fukui, S., Ogawa, J., Sato, T., Ooizumi, M., Terasawa, T., Itoh, Y. & Yabuno, R., 2008 9 15, : : Physica C: Superconductivity and its Applications. 468, 15-20, p. 2128-2132 5 p.

研究成果: Article

Magnetic separation
water treatment
Purification
Magnets
magnets
1 引用 (Scopus)
Magnets
Poles
poles
magnets
Magnetic fields
11 引用 (Scopus)

Collection of Ni-bearing material from electroless plating waste by magnetic separation with HTS bulk magnet

Oka, T., Fukazawa, H., Fukui, S., Ogawa, J., Sato, T., Ooizumi, M., Tsujimura, M. & Yokoyama, K., 2014 1 15, : : Physica C: Superconductivity and its Applications. 496, C, p. 58-62 5 p.

研究成果: Article

Bearings (structural)
Magnetic separation
Electroless plating
plating
Sulfates
3 引用 (Scopus)

Compactly composed strong magnetic field generators with cryo-cooled high temperature bulk superconductors as quasi-permanent magnets

Oka, T., Hirose, Y., Kanayama, H., Kikuchi, H., Ogawa, J., Fukui, S., Sato, T. & Yamaguchi, M., 2008 2 1, : : Journal of Physics: Conference Series. 97, 1, 012102.

研究成果: Article

permanent magnets
magnets
generators
magnetic fields
magnetic poles
1 引用 (Scopus)
Refrigerators
refrigerators
Magnets
Magnetization
magnets
1 引用 (Scopus)
magnetic poles
Superconducting materials
Magnets
Poles
magnets
12 引用 (Scopus)
magnetic poles
Superconducting materials
Poles
generators
Magnetic fields
2 引用 (Scopus)
Multilayer films
Magnetron sputtering
Magnets
magnetron sputtering
magnets
8 引用 (Scopus)
magnetic poles
Magnets
Poles
magnets
generators
67 引用 (Scopus)

Critical current density and mechanical strength of YBa2Cu3O7-δ superconducting composites containing Zr, Ag and Y2BaCuO5 dispersions by melt-processing

Oka, T., Itoh, Y., Yanagi, Y., Tanaka, H., Takashima, S., Yamada, Y. & Mizutani, U., 1992 9 15, : : Physica C: Superconductivity and its Applications. 200, 1-2, p. 55-64 10 p.

研究成果: Article

Dispersions
Strength of materials
critical current
inclusions
current density
2 引用 (Scopus)
magnetic bearings
Magnetic bearings
spinners
central processing units
Masks
2 引用 (Scopus)

Development and test of model apparatus utilizing HTS magnetic levitation for non-contact spinning clean-up processors of photo mask production

Saito, K., Fukui, S., Ogawa, J., Oka, T., Sato, T., Sorimachi, S. & Miyazaki, S., 2011 6 1, : : IEEE Transactions on Applied Superconductivity. 21, 3 PART 2, p. 2241-2244 4 p., 5617305.

研究成果: Article

Magnetic levitation
levitation
metal spinning
central processing units
Masks
7 引用 (Scopus)

Development of a Desktop-Type Superconducting Bulk Magnet

Yokoyama, K., Kulawansha, E., Yuanding, Z. & Oka, T., 2016 6 1, : : IEEE Transactions on Applied Superconductivity. 26, 4, 7386635.

研究成果: Article

Refrigerators
refrigerators
Magnets
Magnetization
magnets
5 引用 (Scopus)

Development of a magnetron sputtering apparatus equipped with superconducting bulk magnets for the preparation of optical multilayer films

Yamaguchi, T., Ikuta, H., Yanagi, Y., Itoh, Y., Oka, T. & Mizutani, U., 2007 10 1, : : Physica C: Superconductivity and its Applications. 463-465, SUPPL., p. 1342-1345 4 p.

研究成果: Article

Optical multilayers
Optical films
Multilayer films
Magnetron sputtering
Magnets
1 引用 (Scopus)
Magnets
Magnetization
magnets
Refrigerators
magnetization
8 引用 (Scopus)

Development of a small-size superconducting bulk magnet system using a 13 K refrigerator

Yokoyama, K., Oka, T. & Noto, K., 2010 6 1, : : IEEE Transactions on Applied Superconductivity. 20, 3, p. 973-976 4 p., 5433295.

研究成果: Article

Refrigerators
refrigerators
Magnets
magnets
Magnetic fields
63 引用 (Scopus)
Superconducting magnets
superconducting magnets
Superconducting materials
Magnets
magnets
5 引用 (Scopus)

Development of five aligned superconducting bulk magnets by pulse field magnetizing

Fujiwara, A., Tateiwa, T., Fujishiro, H., Hayashi, H., Nagafuchi, T. & Oka, T., 2006 10 1, : : Physica C: Superconductivity and its Applications. 445-448, 1-2, p. 399-402 4 p.

研究成果: Article

Magnets
magnets
Magnetic separation
Solenoids
coils
13 引用 (Scopus)

Effect of metal ring setting outside HTSC bulk disk on trapped field and temperature rise in pulse field magnetizing

Fujishiro, H., Yokoyama, K., Kaneyama, M., Oka, T. & Noto, K., 2005 6 1, : : IEEE Transactions on Applied Superconductivity. 15, 2 PART III, p. 3762-3765 4 p.

研究成果: Article

high temperature superconductors
Metals
rings
pulses
metals
14 引用 (Scopus)

Effect of Nd422 addition on Jc in Nd123 melt-textured bulk superconductor

Ikeda, S., Oka, T., Yamada, Y., Yoshikawa, M., Yanagi, Y., Itoh, Y. & Mizutani, U., 1997 1 1, : : Japanese Journal of Applied Physics, Part 2: Letters. 36, 3 B

研究成果: Article

Superconducting materials
Powders
Magnetic fields
atmospheres
heat
1 引用 (Scopus)
trapped magnetic fields
Magnets
magnetic flux
magnets
Magnetic fields
20 引用 (Scopus)

Estimation of generated heat in pulse field magnetizing for SmBaCuO bulk superconductor

Fujishiro, H., Yokoyama, K., Kaneyama, M., Oka, T. & Noto, K., 2004 10 1, : : Physica C: Superconductivity and its Applications. 412-414, SPEC. ISS., p. 646-650 5 p.

研究成果: Article

Superconducting materials
heat
pulses
Specific heat
Temperature
1 引用 (Scopus)

Evaluation of current distribution in bulk superconductors magnetized by pulsed-fields

Yokoyama, K., Oka, T., Fujishiro, H. & Noto, K., 2007 10 1, : : Physica C: Superconductivity and its Applications. 463-465, SUPPL., p. 410-414 5 p.

研究成果: Article

current distribution
Superconducting materials
Magnetization
Magnetic fields
evaluation
2 引用 (Scopus)
Magnets
Poles
poles
magnets
Magnetic fields
force distribution
Magnets
magnets
Superconducting magnets
evaluation
3 引用 (Scopus)

Evaluation of pulsed-field magnetization of a bulk superconductor with small holes

Yokoyama, K., Oka, T., Kondo, N. & Hosaka, S., 2013 2 11, : : IEEE Transactions on Applied Superconductivity. 23, 3, 6403884.

研究成果: Article

Superconducting materials
Magnetization
magnetization
evaluation
Magnetic flux
5 引用 (Scopus)
Refrigerators
refrigerators
Magnets
Magnetization
magnets
1 引用 (Scopus)

Evaluation of the measurement of AC transport current loss in assembled HTS tapes using a pick-up loop

Ogawa, J., Fukui, S., Oka, T., Yamaguchi, M., Sato, T., Yamaya, K., Hamada, T. & Tanaka, H., 2007 10 1, : : Physica C: Superconductivity and its Applications. 463-465, SUPPL., p. 1159-1162 4 p.

研究成果: Article

Tapes
tapes
alternating current
evaluation
Electric current measurement
4 引用 (Scopus)

Experimental and theoretical study of AC losses in variable asymmetrical magnetic environments

Ranecky, S. T., Watanabe, H., Ogawa, J., Oka, T., Gölden, D., Alff, L. & Genenko, Y. A., 2017 7 6, : : Superconductor Science and Technology. 30, 8, 085005.

研究成果: Article

Tapes
tapes
alternating current
Shielding
shielding
5 引用 (Scopus)

Experimental evaluation of the effect on AC loss of a polygonal arrangement in YBCO assembled conductors

Ogawa, J., Fukui, S., Oka, T., Sato, T., Ito, T., Sugisawa, J. & Tamura, A., 2011 6 1, : : IEEE Transactions on Applied Superconductivity. 21, 3 PART 3, p. 3285-3288 4 p., 5613958.

研究成果: Article

alternating current
conductors
evaluation
Tapes
tapes
2 引用 (Scopus)

Experimental investigation of AC loss characteristics in HTS tape with rotating magnetic field

Ogawa, J., Fukui, S., Oka, T., Sano, Y., Ogawa, M. & Ranecky, S. T., 2017 6 1, : : IEEE Transactions on Applied Superconductivity. 27, 4, 7812682.

研究成果: Article

Superconducting tapes
tapes
alternating current
Magnetic fields
magnetic fields
7 引用 (Scopus)

Experimental Investigation of AC Loss Characteristics of Stacked HTS Tapes in an Iron Core

Ogawa, J., Fukui, S., Oka, T., Sakurai, T., Sano, Y., Tada, H. & Yoshii, Y., 2016 6 1, : : IEEE Transactions on Applied Superconductivity. 26, 4, 7435291.

研究成果: Article

Tapes
tapes
alternating current
Iron
iron
7 引用 (Scopus)

Experimental investigation of loss characteristics with AC and DC offset transport current in HTS double pancake coil

Ogawa, J., Fukui, S., Oka, T., Sato, T., Shibayama, M., Egawa, M. & Sato, A., 2012 6 25, : : IEEE Transactions on Applied Superconductivity. 22, 3, 4705004.

研究成果: Article

alternating current
coils
direct current
Tapes
tapes
6 引用 (Scopus)

Fabrication of Mo/Si multilayer mirrors for extreme ultraviolet lithography by means of superconducting bulk magnet magnetron sputtering

Mizutani, U., Yamaguchi, T., Ikuta, H., Tomofuji, T., Yanagi, Y., Itoh, Y. & Oka, T., 2008 9 15, : : Physica C: Superconductivity and its Applications. 468, 15-20, p. 1456-1460 5 p.

研究成果: Article

Extreme ultraviolet lithography
Magnetron sputtering
Magnets
Multilayer films
magnetron sputtering

Feasible Applications of Bulk HTS Magnets and Magnetic Field-Capturing Characteristics in Their Activation Processes

Oka, T., Takeda, A., Shimizu, K., Higa, K., Tsunoda, S., Ogawa, J., Fukui, S., Sato, T., Yokoyama, K. & Nakamura, T., 2018 8 28, (Accepted/In press) : : IEEE Transactions on Applied Superconductivity.

研究成果: Article

Magnets
magnets
Chemical activation
activation
Magnetic fields
5 引用 (Scopus)

Flux-invading behaviors and temperature changes in Dy123 bulk magnet in iterative pulse field magnetization process

Oka, T., Ishiduka, D., Ogawa, J., Fukui, S., Sato, T., Yokoyama, K., Murakami, A. & Stopfel, H., 2013 5 6, : : Physica C: Superconductivity and its Applications. 494, p. 46-49 4 p.

研究成果: Article

Magnetic flux
Magnets
Magnetization
magnets
Fluxes
13 引用 (Scopus)

Flux motion studies by means of temperature measurement in magnetizing processes for HTSC bulks

Fujishiro, H., Oka, T., Yokoyama, K., Kaneyama, M. & Noto, K., 2004 6 1, : : IEEE Transactions on Applied Superconductivity. 14, 2, p. 1054-1057 4 p.

研究成果: Article

Temperature measurement
high temperature superconductors
temperature measurement
Fluxes
trapped magnetic fields
19 引用 (Scopus)

Generated heat during pulse field magnetizing for REBaCuO (RE = Gd, Sm, Y) bulk superconductors with different pinning abilities

Fujishiro, H., Kaneyama, M., Yokoyama, K., Oka, T. & Noto, K., 2005 1 1, : : Superconductor Science and Technology. 18, 1, p. 158-165 8 p.

研究成果: Article

Magnetic flux
Superconducting materials
heat
Heat generation
Viscous flow
15 引用 (Scopus)

Generation of extremely strong magnetic fields in open space by using metal-ring-reinforced 60 mm ∅ Sm-Ba-Cu-O superconducting bulk

Yanagi, Y., Yoshikawa, M., Itoh, Y., Oka, T., Ikuta, H. & Mizutani, U., 2004 10 1, : : Physica C: Superconductivity and its Applications. 412-414, SPEC. ISS., p. 744-749 6 p.

研究成果: Article

Superconducting materials
Metals
Stainless Steel
Magnetic fields
reinforcement rings
8 引用 (Scopus)

Heat propagation analysis in HTSC bulks during pulse field magnetization

Fujishiro, H., Kawaguchi, S., Kaneyama, M., Fujiwara, A., Tateiwa, T. & Oka, T., 2006 7 1, : : Superconductor Science and Technology. 19, 7

研究成果: Article

high temperature superconductors
Magnetization
heat
magnetization
propagation
129 引用 (Scopus)

Higher trapped field over 5 T on HTSC bulk by modified pulse field magnetizing

Fujishiro, H., Tateiwa, T., Fujiwara, A., Oka, T. & Hayashi, H., 2006 10 1, : : Physica C: Superconductivity and its Applications. 445-448, 1-2, p. 334-338 5 p.

研究成果: Article

high temperature superconductors
Superconducting materials
Magnetic fields
Cooling
pulses
65 引用 (Scopus)

High-temperature superconducting motor using y-ba-cu-0 bulk magnets

Itoh, Y., Yanagi, Y., Yoshikawa, M., Oka, T., Harada, S., Sakakibara, T., Yamada, Y. & Mizutani, U., 1995 1 1, : : Japanese Journal of Applied Physics. 34, 10, p. 5574-5578 5 p.

研究成果: Article

Magnets
magnets
YBCO superconductors
armatures
magnetic fields
3 引用 (Scopus)

High temperature superconducting quasi-permanent magnets and their application to superconducting motor

Oka, T., Itoh, Y., Yanagi, Y., Yoshikawa, M., Sakakibara, T., Harada, S., Yamada, Y. & Mizutani, U., 1997 1 1, : : Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals. 61, 9, p. 931-936 6 p.

研究成果: Article

high field magnets
Superconducting magnets
permanent magnets
Permanent magnets
Magnetization
20 引用 (Scopus)

Importance of initial "M-shaped" trapped field profile in a two-stage pulse field magnetization (MMPSC) method

Fujishiro, H., Hiyama, T., Tateiwa, T., Yanagi, Y. & Oka, T., 2007 10 1, : : Physica C: Superconductivity and its Applications. 463-465, SUPPL., p. 394-397 4 p.

研究成果: Article

Magnetization
Fluxes
Cooling
cooling
magnetization
5 引用 (Scopus)
Magnets
Magnetization
magnets
Magnetic flux
magnetization