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Abstract: This article proposes a system for the measurement of hardness increase in the internal surface of shot-peened austenitic TX304HB stainless steel tubes with electromagnetic Non-Destructive testing. Previously, trained linear interpolator with demodulated Y-component measurements was employed to predict the hardness shift of peened surfaces compared to the bulk condition. Absolute errors were 2.97?13.21 HV and the relative errors were 1.37%?6.79% over specimens whose hardness was calibrated with conventional methods. The results suggest that this method is a reliable method for the determination of increase in hardness in shot-peened austenitic TX304HB stainless steel tubes for industrial applications.
Fuente: Measurement Volume 149, January 2020, Article number 106925
Fecha de publicación: 01/01/2020
Nº de páginas: 8
Tipo de publicación: Artículo de Revista
Url de la publicación: https://doi.org/10.1016/j.measurement.2019.106925
DIEGO FERREÑO BLANCO