VAMAS intercomparison of ac loss measurement: Japanese results

K. Itoh, H. Wada, T. Ando, E. Yoneda, D. Ito, M. Iwakuma, K. Yamafuji, A. Nagata, Kazuo Watanabe, Y. Kubota, T. Ogasawara, S. Akita, M. Umeda, Y. Kimura, K. Tachikawa

Research output: Chapter in Book/Report/Conference proceedingChapter

5 Citations (Scopus)

Abstract

The first worldwide round robin test on ac losses was carried out, where 10 Japanese labs participated. 4 test samples, D, E, F and G, were prepared, and ac losses were measured as a function of either applied field amplitude or transport current. A variety of measurement methods were adopted, and an interim intercomparison of the results was made in terms of the hysteresis loss for 0 to 1 T field cycle as well as the coupling time constant. The standard deviation in hysteresis loss among labs including those of US and European labs so far reported was about 10% for both high loss samples D and E. Time constants obtained among labs were in a relatively poor agreement with each other.

Original languageEnglish
Title of host publicationAdvances in Cryogenic Engineering
PublisherPubl by Plenum Publ Corp
Pages199-206
Number of pages8
Volume36
Editionpt A
ISBN (Print)0306435985
Publication statusPublished - 1990 Dec 1
EventProceedings of the 8th International Cryogenic Materials Conference ICMC - Los Angeles, CA, USA
Duration: 1989 Jul 241989 Jul 28

Other

OtherProceedings of the 8th International Cryogenic Materials Conference ICMC
CityLos Angeles, CA, USA
Period89/7/2489/7/28

ASJC Scopus subject areas

  • Engineering(all)

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  • Cite this

    Itoh, K., Wada, H., Ando, T., Yoneda, E., Ito, D., Iwakuma, M., Yamafuji, K., Nagata, A., Watanabe, K., Kubota, Y., Ogasawara, T., Akita, S., Umeda, M., Kimura, Y., & Tachikawa, K. (1990). VAMAS intercomparison of ac loss measurement: Japanese results. In Advances in Cryogenic Engineering (pt A ed., Vol. 36, pp. 199-206). Publ by Plenum Publ Corp.