On the Peak of Macro Eddy Current Damping in Invar-Type Alloys
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概要
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In order to make clear the origin of the magnetic internal friction peak near the Curie point of Invar alloys, the logarithmic decrement of flexural vibration and the magnetostriction were measured for 30 and 31.5% Ni-Fe alloys and Stainless Invar. The dependences of the peak on magnetic field and temperature are explained from the variation of the gradient of the magnetostriction versus field strength curves. The linear relation between the peak height and the measuring frequency are also found. From these results, it is concluded that the origin of the peak is an abrupt increase in macro eddy current damping.
- 社団法人応用物理学会の論文
- 1971-10-05
著者
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Maeda Takao
Department of Computer Software, School of Computer Science and Engineering, University of Aizu
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MAEDA Takao
Department of Electrical Engineering, Faculty of Engineering, Science University of Tokyo
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