QUANTITATIVE EVALUATION OF BARKHAUSEN JUMPS ACCORDING TO THE SIGNALS OF MAGNETOACOUSTIC EMISSION

被引：4
|
作者：
Skal's'kyi, V. R. [1 ]
Serhienko, O. M. [1 ]
Mykhal'chuk, V. B. [1 ]
Semehenivs'kyi, R. I. [1 ]
机构：
[1] Ukrainian Natl Acad Sci, Karpenko Physicomech Inst, Lvov, Ukraine
来源：
MATERIALS SCIENCE | 2009年 / 45卷 / 03期
关键词：
magnetoacoustic emission; Barkhausen effect; domains; magnetization; magnetostriction; ACOUSTIC-EMISSION; NONDESTRUCTIVE EVALUATION; STEELS; IRON;
D O I：
10.1007/s11003-009-9198-z
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We propose an analytic model for the quantitative assessment of a volume jump of domain walls, caused by the Barkhausen effect, under the action of a magnetic field accompanied by magnetoelastic acoustic emission. Dependences for the evaluation of its amplitudes are constructed. Initial data for the calculation of displacements with the proposed model are obtained. It is shown that the method of magnetoelastic acoustic emission is sensitive to the reconstruction of the domain structure of ferromagnets.
引用
收藏
页码：399 / 408
页数：10
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