Magnetic Barkhausen emission in lightly deformed AISI 1070 steel

被引：26
|
作者：
Capo Sanchez, J. [1 ]
de Campos, M. F. [2 ]
Padovese, L. R. [3 ]
机构：
[1] Univ Oriente, Dept Fis, Fac Ciencias Nat, Santiago De Cuba 90500, Cuba
[2] Univ Fed Fluminense, EEIMVR, BR-27255125 Volta Redonda, RJ, Brazil
[3] Univ Sao Paulo, Dept Engn Mecan, Escola Politecn, BR-05508900 Sao Paulo, Brazil
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2012年 / 324卷 / 01期
基金：
巴西圣保罗研究基金会;
关键词：
Magnetic Barkhausen emission; Strain; Residual stress; X-ray diffraction;
D O I：
10.1016/j.jmmm.2011.07.014
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The Magnetic Barkhausen Noise (MBN) technique can evaluate both micro- and macro-residual stresses, and provides indication about the relevance of contribution of these different stress components. MBN measurements were performed in AISI 1070 steel sheet samples, where different strains were applied. The Barkhausen emission is also analyzed when two different sheets, deformed and non-deformed, are evaluated together. This study is useful to understand the effect of a deformed region near the surface on MBN. The low permeability of the deformed region affects MBN, and if the deformed region is below the surface the magnetic Barkhausen signal increases. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：11 / 14
页数：4
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