Damage detection in grinding of steel workpieces through ultrasonic wavesF Alexandre, P R Aguiar, R Götz, B O Fernandez, W N Lopes, M A A Viera, E C Bianchi and D D’addonaMATEC Web Conf., 249 (2018) 02002DOI: https://doi.org/10.1051/matecconf/201824902002