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Revista mexicana de física
versión impresa ISSN 0035-001X
Resumen
RODRIGUEZ, J.L. et al. Nondestructive inspection of plastic deformation in commercial carbon steels using magnetic Barkhausen noise. Rev. mex. fis. [online]. 2008, vol.54, suppl.2, pp.51-53. ISSN 0035-001X.
The present work shows measurements of the Magnetic Barkhausen Noise (MBN) in commercial AISI/SAE 1045 and ASTM 36 steel deformed samples. The correlation between the MBN root mean square, Barkhausen signal profile and MBN power spectrum with the plastic deformation is established. The results show that the power spectral density of the Barkhausen signal is more effective as nondestructive evaluator than root mean square of Barkhausen signal. The outcomes also suggest the presence of unbalanced tensions between the surface and the bulk of sample due to the presence of plastic deformation.
Palabras llave : Magnetic Barkhausen noise; defects; plastic deformation; plain steels.