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
2005
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
37 引用 (Scopus)

Pulsed field magnetization of a 36 mm diameter single-domain Sm-Ba-Cu-O bulk superconductor at 30, 35 and 77 K

Yanagi, Y., Itoh, Y., Yoshikawa, M., Oka, T., Ikuta, H. & Mizutani, U., 2005 6 1, : : Superconductor Science and Technology. 18, 6, p. 839-849 11 p.

研究成果: Article

Superconducting materials
Magnetization
magnetization
Fluxes
Magnetic fields
37 引用 (Scopus)
trapped magnetic fields
Superconducting materials
Magnetization
Magnetic fields
magnetization
15 引用 (Scopus)
elongation
Elongation
Magnetization
magnetization
pulses
2004
1 引用 (Scopus)
magnetic poles
Superconducting materials
Magnets
Poles
magnets
12 引用 (Scopus)
magnetic poles
Superconducting materials
Poles
generators
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
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
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
10 引用 (Scopus)

Temperature measurement of RE123 bulk superconductors on magnetizing process

Yokoyama, K., Kaneyama, M., Oka, T., Fujishiro, H. & Noto, K., 2004 10 1, : : Physica C: Superconductivity and its Applications. 412-414, SPEC. ISS., p. 688-694 7 p.

研究成果: Article

Temperature measurement
Superconducting materials
temperature measurement
Magnetic fields
sectors
26 引用 (Scopus)

Temperature rise in an Sm-based bulk superconductor after applying iterative pulse fields

Fujishiro, H., Yokoyama, K., Oka, T. & Noto, K., 2004 1 1, : : Superconductor Science and Technology. 17, 1, p. 51-57 7 p.

研究成果: Article

Superconducting materials
Heat generation
Magnetic flux
pulses
Spatial distribution
2003
15 引用 (Scopus)

Thermal and mechanical properties of high Tc bulk superconductors and their applications

Noto, K., Oka, T., Yokoyama, K., Katagiri, K., Fujishiro, H., Okada, H., Nakazawa, H., Miryala, M. & Murakami, M., 2003 10, : : Physica C: Superconductivity and its Applications. 392-396, PART 1, p. 677-683 7 p.

研究成果: Article

Superconducting materials
Thermodynamic properties
thermodynamic properties
mechanical properties
Magnetic fields
34 引用 (Scopus)
Spatial distribution
Superconducting materials
spatial distribution
Magnetic flux
pulses
2002
3 引用 (Scopus)

Oxygen diffusivity in melt-processed SmBCO and YBCO bulk-superconductors

Yamada, T., Ikuta, H., Yoshikawa, M., Yanagi, Y., Itoh, Y., Oka, T. & Mizutani, U., 2002 10 1, : : Physica C: Superconductivity and its Applications. 378-381, PART 1, p. 713-717 5 p.

研究成果: Article

Superconducting materials
diffusivity
Oxygen
oxygen
diffusion coefficient
33 引用 (Scopus)

Present status of R & D on superconducting magnetic bearing technologies for flywheel energy storage system

Koshizuka, N., Ishikawa, F., Nasu, H., Murakami, M., Matsunaga, K., Saito, S., Saito, O., Nakamura, Y., Yamamoto, H., Takahata, R., Oka, T., Ikezawa, H. & Tomita, M., 2002 10 1, : : Physica C: Superconductivity and its Applications. 378-381, PART 1, p. 11-17 7 p.

研究成果: Article

flywheels
magnetic bearings
Magnetic bearings
Flywheels
energy storage
2001
13 引用 (Scopus)

Improvement of the microstructure of melt-processed Sm-based superconductors

Tazoe, K., Ikuta, H., Yoshikawa, M., Yanagi, Y., Itoh, Y., Oka, T. & Mizutani, U., 2001 1 1, : : Physica C: Superconductivity and its Applications. 357-360, p. 807-810 4 p.

研究成果: Article

Superconducting materials
Gases
atmospheres
microstructure
Microstructure
15 引用 (Scopus)

Melt processing and the performance as a superconducting permanent magnet of RE-Ba-Cu-O/Ag (RE = Sm, Nd)

Ikuta, H., Yanagi, Y., Yoshikawa, M., Itoh, Y., Oka, T. & Mizutani, U., 2001 1 1, : : Physica C: Superconductivity and its Applications. 357-360, p. 837-842 6 p.

研究成果: Article

Superconducting magnets
superconducting magnets
permanent magnets
Permanent magnets
Superconducting materials
16 引用 (Scopus)

Pulsed field magnetization of melt-processed Sm-Ba-Cu-O

Ishihara, H., Ikuta, H., Itoh, Y., Yanagi, Y., Yoshikawa, M., Oka, T. & Mizutani, U., 2001 1 1, : : Physica C: Superconductivity and its Applications. 357-360, p. 763-766 4 p.

研究成果: Article

Magnetic flux
flat surfaces
Magnetization
Fluxes
magnetization
2 引用 (Scopus)

Synthesis and magnetization of high-Tc bulk superconductors and their application as superconducting permanent magnets

Mizutani, U., Ikuta, H., Oka, T., Itoh, Y., Yanagi, Y. & Yoshikawa, M., 2001 12 1, : : International Journal of Applied Electromagnetics and Mechanics. 14, 1-4 SPEC., p. 57-63 7 p.

研究成果: Article

Superconducting magnets
superconducting magnets
permanent magnets
Permanent magnets
Superconducting materials
1999

Recent development in superconducting permanent magnets

Mizutani, U., Oka, T., Itoh, Y. & Ikuta, H., 1999 1 1, : : Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy. 46, 12, p. 1241-1248 8 p.

研究成果: Article

Superconducting magnets
Permanent magnets
Superconducting materials
Magnetization
Fluxes
18 引用 (Scopus)
Superconducting materials
generators
flux density
trapping
Magnetic fields
1998
144 引用 (Scopus)

Melt-processed Sm-Ba-Cu-O superconductors trapping strong magnetic field

Ikuta, H., Mase, A., Yanagi, Y., Yoshikawa, M., Itoh, Y., Oka, T. & Mizutani, U., 1998 11 1, : : Superconductor Science and Technology. 11, 11, p. 1345-1347 3 p.

研究成果: Article

Superconducting materials
trapping
Magnetic fields
Oxygen
magnetic fields
34 引用 (Scopus)

Melt-processing of Ag-added LRE-Ba-Cu-O (LRE = Nd, Sm)

Ikuta, H., Ikeda, S., Mase, A., Yoshikawa, M., Yanagi, Y., Itoh, Y., Oka, T. & Mizutani, U., 1998 1 1, : : Applied Superconductivity. 6, 2-5, p. 109-117 9 p.

研究成果: Article

Magnetic fields
Oxygen
Processing
trapped magnetic fields
atmospheres
100 引用 (Scopus)

Pulsed-field magnetization applied to high-Tc superconductors

Mizutani, U., Oka, T., Itoh, Y., Yanagi, Y., Yoshikawa, M. & Ikuta, H., 1998 1 1, : : Applied Superconductivity. 6, 2-5, p. 235-246 12 p.

研究成果: Article

Superconducting materials
Magnetization
magnetization
YBCO superconductors
Fluxes
1997
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
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
15 引用 (Scopus)

Numerical evaluation of pulsed field magnetization of a bulk high Tc superconductor

Tsuchimoto, M., Waki, H., Itoh, Y., Yanagi, Y., Yoshikawa, M., Oka, T., Yamada, Y. & Mizutani, U., 1997 1 1, : : Cryogenics. 37, 1, p. 43-47 5 p.

研究成果: Article

heat generation
Heat generation
Superconducting materials
Magnetization
Shielding
1996
7 引用 (Scopus)

Pulsed field magnetization of melt-processed Y-Ba-Cu-O bulk superconductor with no weak links

Itoh, Y., Yanagi, Y., Yoshikawa, M., Oka, T., Yamada, Y. & Mizutani, U., 1996 12 1, : : Japanese Journal of Applied Physics, Part 2: Letters. 35, 9 B

研究成果: Article

Magnetic flux
Superconducting materials
Magnetization
magnetization
Heat generation
1995
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
30 引用 (Scopus)

Preparation of melt-textured NdBa2Cu3Oy bulk with Nd4Ba2Cu2O10 addition

Takagi, A., Yamazaki, T., Oka, T., Yanagi, Y., Itoh, Y., Yoshikawa, M., Yamada, Y. & Mizutani, U., 1995 8 15, : : Physica C: Superconductivity and its Applications. 250, 3-4, p. 222-226 5 p.

研究成果: Article

Superconducting materials
Single crystals
preparation
Superconducting transition temperature
atmospheres
1994
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

The microstructure and superconducting properties of melt-processed YBCO samples containing RE-211 particles

Yanagi, Y., Itoh, Y., Yoshikawa, M., Oka, T., Sasaki, M., Yamada, Y. & Mizutani, U., 1994 1 1, : : Physica C: Superconductivity and its Applications. 235-240, PART 1, p. 445-446 2 p.

研究成果: Article

solidification
Solidification
Doping (additives)
microstructure
Microstructure
1992
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
5 引用 (Scopus)

Metallurgical Reactions and Their Relationships to Enhanced Mechanical Strength in Zr-Bearing YBCO Composite Superconductors

Oka, T., Itoh, Y., Yanagi, Y., Tanaka, H., Takashima, S. I. & Mizutani, U., 1992 1 1, : : Japanese Journal of Applied Physics. 31, 6 R, p. 1760-1764 5 p.

研究成果: Article

Bearings (structural)
Superconducting materials
Strength of materials
Melting
composite materials
1991
2 引用 (Scopus)

Mechanical properties of Zr-YBCO/Ag sintered superconducting composites

Oka, T., Itoh, Y., Yanagi, Y., Tanaka, H. & Mizutani, U., 1991 12 1, : : Physica C: Superconductivity and its Applications. 185-189, PART 1, p. 507-508 2 p.

研究成果: Article

Strength of materials
mechanical properties
Mechanical properties
composite materials
Composite materials
1990
21 引用 (Scopus)

Mechanical and superconducting properties of Ag/YBCO composite superconductors reinforced by the addition of Zr

Oka, T., Ogasawara, F., Itoh, Y., Suganuma, M. & Mizutani, U., 1990 1 1, : : Japanese Journal of Applied Physics. 29, 10, p. 1924-1931 8 p.

研究成果: Article

flexural strength
Bending strength
Superconducting materials
Bearings (structural)
mechanical properties