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pro vyhledávání: '"T. Takematsu"'
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Akademický článek
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Autor:
Tomoaki Takao, T. Takematsu, K. Sato, Masato Takahashi, R Piao, Hideki Nakagome, Hideaki Maeda, Hiroyuki Kamibayashi, Yoshinori Yanagisawa
Publikováno v:
Physica C: Superconductivity. 476:19-22
Degradation of the epoxy impregnated YBCO coil performance is due to tensile radial stress concentration on the outer edge of the conductor during cool down. This stress acts as a cleavage stress and opens the conductor edge, fracturing the YBCO laye
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7007e9be4cb5185fc8f3b752379e6eb7
https://doi.org/10.1016/j.physc.2012.01.025
https://doi.org/10.1016/j.physc.2012.01.025
Autor:
Tomoaki Takao, Hideaki Maeda, Masato Takahashi, Hideki Nakagome, N. Sato, Yoshinori Yanagisawa, T. Takematsu
Publikováno v:
Physica C: Superconductivity and its Applications. 471(15-16):480-485
Cleavage strength for an YBCO-coated conductor at 77 K was investigated with a model experiment. The nominal cleavage strength for an YBCO-coated conductor is extremely low, typically 0.5 MPa. This low nominal cleavage strength is due to stress conce
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::761a4754f4b98e2e0a8b3f41441d5d8c
Autor:
Tomoaki Takao, Hideki Nakagome, Masato Takahashi, Tsukasa Kiyoshi, Y Kominato, Davide Uglietti, Hideaki Maeda, Yoshinori Yanagisawa, R. Hu, T. Takematsu
Publikováno v:
IEEE Transactions on Applied Superconductivity. 21:1640-1643
Screening current induced in a YBCO-coated conductor coil causes two major problems; (i) reduction in the central magnetic field and (ii) temporal magnetic field drift due to flux creep. They constitute disadvantages for YBCO coil applications such a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b1179059ff0e9c64f1ff0529168d96d
https://doi.org/10.1109/tasc.2010.2087311
https://doi.org/10.1109/tasc.2010.2087311
Autor:
Yoshinori Yanagisawa, R. Hu, Masato Takahashi, Tomoaki Takao, D. Uglietti, Hideki Nakagome, Tsukasa Kiyoshi, T. Takematsu, Hideaki Maeda
Publikováno v:
Physica C: Superconductivity and its Applications. 470:674-677
Now that YBCO-coated conductors have been commercialized, a number of YBCO coils have been developed. However, their basic performances have not been systematically investigated so far. Here, we demonstrate that of a YBCO double pancake coil. The cri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57fe6776c7ef90542effdf50cb5bc052
https://doi.org/10.1016/j.physc.2010.06.009
https://doi.org/10.1016/j.physc.2010.06.009
Autor:
Tomoaki Takao, Masato Takahashi, Yoshinori Yanagisawa, Davide Uglietti, Hideaki Maeda, Hideki Nakagome, Ruixin Hu, T. Takematsu, Tsukasa Kiyoshi
Publikováno v:
IEEE Transactions on Applied Superconductivity. 20:744-747
A numerical simulation method which deals with the screening current-induced magnetic field for YBCO coils, including the self field effect induced by the transport current, has been developed. The simulation agrees well with the experimental results
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3effc4980e738a4f990d2e20d1c65645
https://doi.org/10.1109/tasc.2010.2043240
https://doi.org/10.1109/tasc.2010.2043240
Autor:
Yasuaki Kominato, Tomoaki Takao, T. Takematsu, Tatsuhiko Fukuda, Hideaki Maeda, Yoshinori Yanagisawa, Hideki Nakagome, Masato Takahashi
Publikováno v:
AIP Conference Proceedings.
YBCO-coated conductors are promising for NMR magnets. Their axial strength is up to 700 MPa and this allows for dramatically smaller high current density magnets. One of the major problems of YBCO-coated conductor coils is screening current induced i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7789a36c314b6e8c4c09d0418f8fbe4c
https://doi.org/10.1063/1.4707063
https://doi.org/10.1063/1.4707063