The Influence of Biaxial Symmetric Tension on the Magnetic Properties of a Composite Specimen Made of Two Steel Plates with Different Mechanical and Magnetic Properties
A. N. Mushnikov, A. M. Povolotskaya, S. M. Zadvorkin, K. D. Kryucheva
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Abstract
The paper presents the results of studying the evolution of magnetic characteristics of a two-layer material consisting of layers of annealed sheet low-carbon steel grade 15 and sheet metastable austenitic steel grade 12Kh18N9T differing in magnetic hardness subjected to cold rolling with a reduction of 50% under biaxial symmetric tension. Experiments on biaxial deformation were performed on an original biaxial testing machine that allows determining the physical properties of materials during elastic-plastic deformation independently along two axes. It is shown that the coercive force of the studied two-layer material, monotonically changing over the entire range of elastic-plastic biaxial deformation, can be used as an informative parameter for assessing stresses and strains.
期刊介绍：
Russian Journal of Nondestructive Testing, a translation of Defectoskopiya, is a publication of the Russian Academy of Sciences. This publication offers current Russian research on the theory and technology of nondestructive testing of materials and components. It describes laboratory and industrial investigations of devices and instrumentation and provides reviews of new equipment developed for series manufacture. Articles cover all physical methods of nondestructive testing, including magnetic and electrical; ultrasonic; X-ray and Y-ray; capillary; liquid (color luminescence), and radio (for materials of low conductivity).
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