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Direct Experimental Observations on Concurrent Microstructure and Magnetic Property Developments in Non-Grain Oriented Electrical Steel
Journal article   Open access

Direct Experimental Observations on Concurrent Microstructure and Magnetic Property Developments in Non-Grain Oriented Electrical Steel

S. K. Shekhawat, V. Basavaraj, V. D. Hiwarkar, R. Chakrabarty, J. Nemade, P. J. Guruprasad, K. G. Suresh, R. D. Doherty and I. Samajdar
Metallurgical and materials transactions. A, Physical metallurgy and materials science, v 45A(9), pp 3695-3698
01 Aug 2014
DOI: https://doi.org/10.1007/s11661-014-2342-x
url
http://hdl.handle.net/10261/155504View
SubmittedOpen Access (License Unspecified),  Open

Abstract

Materials Science Materials Science, Multidisciplinary Metallurgy & Metallurgical Engineering Science & Technology Technology
Non-grain oriented electrical steel, with minor in-grain orientation gradients, was subjected to interrupted tensile deformations and concurrent microtexture, magnetic property and residual stress measurements. After the upper yield point, clear signatures of mechanical stress relief were observed. Changes in orientation gradients led to annihilation of low-angle (1 to 3 deg) boundaries. Prior deformation compressive residual stresses became tensile and magnetic properties improved. Beyond an optimum true strain of 0.01, this boundary annihilation ceased, compressive stresses were generated, and magnetic properties degraded.

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Industry collaboration
Domestic collaboration
International collaboration
Web of Science research areas
Materials Science, Multidisciplinary
Metallurgy & Metallurgical Engineering
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