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Volume 7, Issue 4 (May 2018)
Special Issue Paper
Review of Residual Stress Measurement by Magnetic Barkhausen Noise Technique
(Received 20 June 2017; accepted 30 August 2017)
Published Online: 08 May 2018
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Determination of residual stress state is important for quality, integrity, and service performance of the components and structures. Almost all manufacturing processes cause considerable amounts of residual stress; thus, any process or product design ignoring it involves a risk for distortion or early failure. Among the existing methods, the magnetic Barkhausen noise method has been gaining attention for measuring residual stresses nondestructively in ferromagnetic materials. It is sensitive to the interactions between the magnetic structure and microstructure or residual stress fields. So far, successful qualitative results have been obtained for monitoring the residual stress variations on the surfaces of the components manufactured by various processes. However, some challenging tasks exist, such as obtaining reliable quantitative results when residual stresses and microstructure change at the same time or extracting depth-specific information. This article reviews the studies for the measurement of residual stress by magnetic Barkhausen noise method, particularly focusing on the processes widely used in industry, namely shot peening and welding.
Gur, C. Hakan
Department of Metallurgical and Materials Engineering and Welding Technology and Nondestructive Testing Research/Application Center, Middle East Technical University, Cankaya, Ankara
Stock #: MPC20170080
Title Review of Residual Stress Measurement by Magnetic Barkhausen Noise Technique