Investigate the effect of lift-off on eddy current signal for carbon steel plateMoneer A Faraj, Fahmi Samsuri, Ahmed N AbdAlla, Damhuji Rifai, Kharudin Ali and Y. Al-DouriMATEC Web Conf., 225 (2018) 06005DOI: https://doi.org/10.1051/matecconf/201822506005