NDLI: Investigation of Optimum Field Amplitude for Stress Dependence of Magnetic Barkhausen Noise

Content Provider	IEEE Xplore Digital Library
Author	Mandache, C. Krause, T.W. Clapham, L.
Copyright Year	1965
Abstract	An investigation of the sensitivity of magnetic Barkhausen noise (MBN) to changes in uniaxial tensile stress applied to mild steel under conditions of low, medium, and high excitation field amplitudes is presented. Field excitation in the lowest range that was tested produced the most sensitive response to change in stress for the squared-voltage-signal output integrated with respect to time (MBN_energy). The linear response extended to the highest applied stress of 220 MPa, which was 80% of yield strength. In this field range, the angle-dependent MBN_energy and distribution of pulse heights under applied stress conditions was observed to be consistent with previous measurements performed in the medium- to high-field amplitude ranges. However, the number of Barkhausen events was less, and increased linearly with applied stress up to 120 MPa. In contrast, at higher field amplitudes, the initial number of events was greater, but then decreased with increasing applied stress. The results at low field amplitudes are attributed to the additional 180deg domain wall activity, accompanied by increased magnetization level, which could be induced by tensile stress. The reduction in number of events at higher stresses and higher excitation field amplitudes, which corresponds to an increase in MBN_energy and broadened pulse-height distribution, is associated with increased collective Barkhausen behavior. These results demonstrate that improved sensitivity of Barkhausen signals to changes in stress can be achieved in mild steel if optimized field excitation is used.
Sponsorship	IEEE Magnetics Society
Starting Page	3976
Ending Page	3983
Page Count	8
File Size	332196
File Format	PDF
ISSN	00189464
Volume Number	43
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic noise Noise level Tensile stress Steel Pulse measurements Testing Energy measurement Magnetic field measurement Stress measurement Performance evaluation uniaxial tensile stress Magnetic Barkhausen noise magnetic stress measurement mild steel 180$^\circ$ domain walls
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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