Artículos de revistas
Magnetic Barkhausen emission in lightly deformed AISI 1070 steel
Fecha
2012Registro en:
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, AMSTERDAM, v. 324, n. 1, supl. 1, Part 1, pp. 11-14, JAN, 2012
0304-8853
10.1016/j.jmmm.2011.07.014
Autor
Capo Sanchez, J.
de Campos, M. F.
Padovese, L. R.
Institución
Resumen
The Magnetic Barkhausen Noise (MBN) technique can evaluate both micro- and macro-residual stresses, and provides indication about the relevance of contribution of these different stress components. MBN measurements were performed in AISI 1070 steel sheet samples, where different strains were applied. The Barkhausen emission is also analyzed when two different sheets, deformed and non-deformed, are evaluated together. This study is useful to understand the effect of a deformed region near the surface on MBN. The low permeability of the deformed region affects MBN, and if the deformed region is below the surface the magnetic Barkhausen signal increases. (C) 2011 Elsevier B.V. All rights reserved.