Palit Sagar, S and Parida, N and Das, Samar and Dobmann, G and Bhattacharya, D K (2005) Magnetic Barkhausen emission to evaluate fatigue damage in a low carbon structural steel. International Journal of Fatigue, 27 (3). pp. 317-322.
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The various stages of fatigue damage in low carbon structural steel have been characterized using magnetic Barkhausen emission (MBE) signal analysis technique during high cycle fatiguing. The observed trends in the variation in MBE peak voltage showed an initial increase followed by a decrease. After that a sharp increase was found during online monitoring of fatigue till failure. The variation of MBE peak voltage with mechanical deformation was correlated with the microstructural changes at different stages of fatigue damage. The state-of-the-heart of microstructural changes at various stages of fatigue damage has been established using transmission electron microscopy (TEM) to correlate the changes in the magnetic Barkhausen parameters with the microstructural changes. (C) 2004 Elsevier Ltd. All rights reserved.
|Official URL/DOI:||DOI: 10.1016/j.ijfatigue.2004.06.015|
|Uncontrolled Keywords:||magnetic Barkhausen emission; fatigue; microstructural change; transmission electron microscopy; dislocation cell structure; persistent slip bands|
|Divisions:||Material Science and Technology|
|Deposited By:||Sahu A K|
|Deposited On:||14 Jul 2011 17:07|
|Last Modified:||06 Feb 2012 17:35|
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