Techno Press
Techno Press

Steel and Composite Structures   Volume 19, Number 3, September 2015, pages 601-614
Investigating the fatigue failure characteristics of A283 Grade C steel using magnetic flux detection
A. Arifin, W.Z.W. Jusoh, S. Abdullah, N. Jamaluddin and A.K. Ariffin

Abstract     [Full Text]
    The Metal Magnetic Memory (MMM) method is a non-destructive testing method based on an analysis of the self-magnetic leakage field distribution on the surface of a component. It is used for determining the stress concentration zones or any irregularities on the surface or inside the components fabricated from ferrous-based materials. Thus, this paper presents the MMM signal behaviour due to the application of fatigue loading. A series of MMM data measurements were performed to obtain the magnetic leakage signal characteristics at the elastic, pre-crack and crack propagation regions that might be caused by residual stresses when cyclic loadings were applied onto the A283 Grade C steel specimens. It was found that the MMM method was able to detect the defects that occurred in the specimens. In addition, a justification of the Self Magnetic Flux Leakage patterns is discussed for demonstrating the effectiveness of this method in assessing the A283 Grade C steel under cyclic loadings.
Key Words
    fatigue; stress concentration; steel; metal magnetic memory; crack propagation
Department of Mechanical & Materials Engineering, Faculty of Engineering and Built Enviroments, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia.

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