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Lookup NU author(s): Professor Gui Yun TianORCiD,
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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.
Author(s): Wang P, Zhu SG, Tian GY, Wang HT, Wilson J, Wang X
Publication type: Article
Publication status: Published
Journal: Measurement Science & Technology
Print publication date: 01/05/2010
ISSN (print): 0957-0233
ISSN (electronic): 1361-6501
Publisher: IOP Publishing Ltd
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