Nondestructive indication of plastic deformation of cold-rolled stainless steel by magnetic minor hysteresis loops measurement

Vértesy, Gábor and Mészáros, I. and Tomas, I. (2005) Nondestructive indication of plastic deformation of cold-rolled stainless steel by magnetic minor hysteresis loops measurement. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 285 (3). pp. 335-342. ISSN 0304-8853

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Abstract

Cold-rolled austenitics stainless steel samples were non-destructively characterized by means of sets of magnetic minor hysteresis loops. The flat samples were magnetized by an attached yoke. and reliable parameters were obtained from the series of minor loops, without magnetic saturation of the samples. It was found. that some magnetic quantities, well known to be closely connected to the samples' structure variation, especially relative coercivity and remanent induction, could be distinguished even more sensitively from minor loops. than front the major one.

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