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Stress measurement using magnetic Barkhausen noise and metal magnetic memory testing

Lookup NU author(s): Professor Gui Yun TianORCiD, John Wilson

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Abstract

This paper introduces a comparison of the magnetic Barkhausen noise (BN) and metal magnetic memory (MMM) testing techniques for stress measurement. BN has become an important non-destructive technique due to its exceptional material and stress characterization capabilities. MMM is a recently developed technique with special ability for stress detection and stress history. In the applied tensile experiment, BN and MMM signals were acquired via a BN measurement system and EMS-2003 MMM instrument. Relationships between magnetic signals and applied tensile stresses were derived from experiment results. The difference and correlation of the two methods are investigated. Conclusions were derived based on the experiment results.

Publication metadata

Author(s): Wang P, Zhu SG, Tian GY, Wang HT, Wilson J, Wang X

Publication type: Article

Publication status: Published

Journal: Measurement Science & Technology

Year: 2010

Volume: 21

Issue: 5

Pages: 055703

Print publication date: 01/05/2010

ISSN (print): 0957-0233

ISSN (electronic): 1361-6501

Publisher: IOP Publishing Ltd

URL: http://dx.doi.org/10.1088/0957-0233/21/5/055703

DOI: 10.1088/0957-0233/21/5/055703

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