Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Katsumi Ohata"'
Publikováno v:
TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan). 50:166-171
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f29fffd28f032ac56db059c542e387c
https://doi.org/10.2221/jcsj.50.166
https://doi.org/10.2221/jcsj.50.166
Publikováno v:
IEEE Transactions on Applied Superconductivity. 20:1391-1394
The oxide dispersion strengthened copper (ODS-Cu) was composed to Cu stabilizer in Nb3Sn wires with/without Ta-reinforced filaments to improve the mechanical-electromagnetic property. The wires are 1-mm diameter and heat treated at 650 C for 200 hour
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de47f26bae02afd6b7c0fc5fb3d45946
https://doi.org/10.1109/tasc.2010.2043348
https://doi.org/10.1109/tasc.2010.2043348
Autor:
Hitoshi Kitaguchi, Kazumasa Togano, M. Okada, Katsumi Ohata, Kazuhide Tanaka, H. Morita, H. Kumakura, Junichi Sato, Kikuo Itoh, Hitoshi Wada
Publikováno v:
IEEE Transactions on Appiled Superconductivity. 13:1572-1575
High-field high-temperature superconductor (HTS) conduction-cooled magnet system is considered to be the most promising system for superconducting magnets of the next generation. In order to demonstrate the feasibility, we have been developing a Bi-2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6bc614c08b7eb8e68513dfb0c665935
https://doi.org/10.1109/tasc.2003.812792
https://doi.org/10.1109/tasc.2003.812792
Autor:
Katsumi Ohata, H. Kumakura, Junichi Sato, Kazuhide Tanaka, Hitoshi Kitaguchi, Kazumasa Togano, M. Okada
Publikováno v:
Physica C: Superconductivity. :1102-1106
Bi-2212 rotation symmetric arranged tape-in-tube wires (ROSATwires) with small anisotropy and accurate wire dimensions are promising for the practical applications such as magnets for NMR and MRI. In this study, we show the preliminary results of a n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1141466319251f7e19a256b058107e6a
https://doi.org/10.1016/s0921-4534(01)00506-8
https://doi.org/10.1016/s0921-4534(01)00506-8
Autor:
Tsukasa Kiyoshi, Kazuhide Tanaka, Hitoshi Wada, Katsumi Ohata, Hitoshi Kitaguchi, H. Kumakura, Junichi Sato, Kazumasa Togano, M. Okada
Publikováno v:
Physica C: Superconductivity. :1111-1114
We have developed a new type of Bi-2212/Ag round wire named rotation symmetric arranged tape-in-tube wire (ROSATwire). It displays excellent superconducting properties at low temperature. Our next step is to realize longer length ROSATwires for pract
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::68a75eaa9fc41341b0d48289968d35d4
https://doi.org/10.1016/s0921-4534(01)00519-6
https://doi.org/10.1016/s0921-4534(01)00519-6
Autor:
Tsukasa Kiyoshi, Kazuhide Tanaka, Tsuyoshi Wakuda, M. Okada, Keiji Fukushima, Katsumi Ohata, Hitoshi Wada, Junichi Sato
Publikováno v:
Physica C: Superconductivity. :1297-1301
Over 2 km-long ROSAT wires with round-shaped cross-section have been successfully fabricated to a prototype magnet having the same dimensions as the actual insert magnet of a 1 GHz-NMR spectrometer. 400 m-long ROSAT wires with rectangular shaped cros
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::643153d627090045f034c5bddaad82b7
https://doi.org/10.1016/s0921-4534(01)00527-5
https://doi.org/10.1016/s0921-4534(01)00527-5
Autor:
Hitoshi Wada, Kazumasa Togano, Junichi Sato, H. Kumakura, Kazuhide Tanaka, M. Okada, Katsumi Ohata, Tsukasa Kiyoshi, Hitoshi Kitaguchi
Publikováno v:
Physica C: Superconductivity. :1107-1110
We have investigated the effects of the filament size on superconducting properties using samples with various filament sizes and wire diameters. It is revealed that the filament thickness is the most important dimensional factor for superconducting
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::32705b1e2efe71d306db3555a3625676
https://doi.org/10.1016/s0921-4534(01)00515-9
https://doi.org/10.1016/s0921-4534(01)00515-9
Autor:
Kazuhide Tanaka, M. Okada, Katsumi Ohata, Tsukasa Kiyoshi, Tsuyoshi Wakuda, Junichi Sato, Hitoshi Wada, Hitoshi Kitaguchi
Publikováno v:
Physica C: Superconductivity. 335:61-64
Bi-2212/Ag conductors show practical transport properties in high magnetic field regions above 20 T and 4.2 K, where it is considered difficult to use metallic superconductors. In this paper, the recent progress of our development of Bi-2212/Ag high
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::31696828bf5d725cdd0a4b843bdecede
https://doi.org/10.1016/s0921-4534(00)00143-x
https://doi.org/10.1016/s0921-4534(00)00143-x
Autor:
Michio Kosuge, Hitoshi Wada, M. Okada, Tsuyoshi Wakuda, Junichi Sato, M. Yuyama, Hitoshi Kitaguchi, H. Nagai, Kazuhide Tanaka, Tsukasa Kiyoshi, Katsumi Ohata
Publikováno v:
IEEE Transactions on Appiled Superconductivity. 10:472-477
Development of a 1 GHz superconducting NMR magnet is in progress at the Tsukuba Magnet Laboratory (TML) of the National Research Institute for Metals (NRIM). This magnet will contain a BSCCO inner coil, which should generate a central field of 23.5 T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c84528bbfc6055659a80ac484bfd5d5
https://doi.org/10.1109/77.828274
https://doi.org/10.1109/77.828274
Autor:
Kazumasa Togano, H. Kumakura, Hitoshi Wada, Hitoshi Kitaguchi, Kazuhide Tanaka, Tsukasa Kiyoshi, M. Okada, Tsuyoshi Wakuda, Katsumi Ohata, Junichi Sato
Publikováno v:
IEEE Transactions on Appiled Superconductivity. 9:920-923
Bi-2212/Ag multifilamentary tapes show practical transport properties in high magnetic field regions above 20 T and 4.2 K, where it is considered difficult to use metallic superconductors. In this paper, the recent progress of the authors' developmen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e3d2a9f9633ac511b50f6c010f298161
https://doi.org/10.1109/77.783447
https://doi.org/10.1109/77.783447