On the A. C. Magnetization Characteristics of a Perminvar Wire

Autor:	Takao Iwata, Tokutaro Hirone, Hiroshi Watanabe, Kenzi Ikeda
Rok vydání:	1952
Předmět:	Physics Magnetization Volume (thermodynamics) Condensed matter physics Tension (physics) law Eddy current General Physics and Astronomy Domain theory Single crystal Interpretation (model theory) Connection (mathematics) law.invention
Zdroj:	Journal of the Physical Society of Japan. 7:593-598
ISSN:	1347-4073 0031-9015
DOI:	10.1143/jpsj.7.593
Popis:	A. C. magnetization characteristics of a perminvar wire under tension were observed and discussed on the basis of the pipe-domain theory, the results of the discussion being compared with those based on the classical eddy current theory. It was found that the said domain theory would give a semi-quantitative interpretation of the a. e. data, and suggest the existence of an effect other than eddy currents. These results were, in essential, in agreement with the prediction by Williams and others on the a. c. magnetization characteristics of a single crystal of silicon iron. In connection with this, an account was given of an experiment based on the usual technique of estimation of the mean volume of domains and it was found that estimated sizes of the volume had little significance for the a. c. characteristics.
Databáze:	OpenAIRE
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