The effects of the structure characteristics on Magnetic Barkhausen noise in commercial steels

被引：40

作者：

Deng, Yu ^{[1
]}

Li, Zhe ^{[2
]}

Chen, Juan ^{[2
]}

Qi, Xin ^{[1
,2
]}

机构：

[1] Beijing Univ Chem Technol, Dept Phys & Elect, Beijing 100029, Peoples R China

[2] Beijing Univ Chem Technol, Dept Informat Sci & Technol, Beijing 100029, Peoples R China

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2018年 / 451卷

基金：

中国国家自然科学基金;

关键词：

Magnetic Barkhausen noise; Carbon content; Hardness; Surface roughness; Elastic modulus; Domain wall; CARBON-STEEL; NONDESTRUCTIVE EVALUATION; FATIGUE DAMAGE; HARDENED STEEL; GRAIN-SIZE; EMISSION; HARDNESS; STRESS; DEPENDENCE; SURFACE;

D O I：

10.1016/j.jmmm.2017.11.041

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This study has been done by separately measuring Magnetic Barkhausen noise (MBN) under different structure characteristics, namely the carbon content, hardness, roughness, and elastic modulus in commercial steels. The result of the experiments shows a strong dependence of MBN parameters (peak height, Root mean square (RMS), and average value) on structure characteristics. These effects, according to this study, can be explained by two kinds of source mechanisms of the MBN, domain wall nucleation and wall propagation. The discovery obtained in this paper can provide basic knowledge to understand the existing surface condition problem of Magnetic Barkhausen noise as a non-destructive evaluation technique and bring MBN into wider application. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：276 / 282

页数：7

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