Characterization of magnetic materials by Barkhausen noise measurement

被引:0
|
作者
Mandal, K
Krause, TW
Atherton, DL
机构
[1] SN Bose Natl Ctr Basic Sci, CK Majumdar Lab, Kolkata 700098, W Bengal, India
[2] AECL Res, Chalk River Labs, Chalk River, ON K0J 1J0, Canada
[3] Queens Univ, Dept Phys, Kingston, ON K7L 3N6, Canada
关键词
magnetic Barkhausen noise; applied stress; stress concentration;
D O I
暂无
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Ferromagnetic materials generate magnetic Barkhausen noise (MBN) mainly due to 180degrees domain wall motion. MBN measurement can be used for the characterization of magnetic materials. In the present work, the direction of magnetic easy axis of a polycrystalline steel material has been studied in presence of different stresses using MBN measurement. The stress distributions around a circular shaped defect in a ferromagnetic material has also been investigated using the same measurement.
引用
收藏
页码:93 / 97
页数:5
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