Method for estimation of magnetic viscosity of ferromagnetics

被引：0
作者：
V. A. Sandovskii
机构：
[1] Russian Academy of Sciences,Institute of Metal Physics, Ural Branch
来源：
Inorganic Materials | 2010年 / 46卷
关键词：
Phase Angle; Pure Iron; Eddy Current; Steel Grade; Cylindrical Sample;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A method providing quantitative estimation of the degree of magnetic viscosity of ferromagnetic materials by measurement of the phase of the signal from the measuring coil at field excitation by a sinusoidal signal in longitudinally extended samples with constant cross section is described. It is demonstrated that, in estimation of magnetic viscosity, it is necessary to take into account the sample size and shape, as well as the frequency of measurement. Additional information obtained by determination of the decrement of the signal from the measuring coil can be used together with the magnetic viscosity for determination of steel grade. Corresponding plots are presented.
引用
收藏
页码：1662 / 1666
页数：4
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