Non-destructive testing of welded fatigue specimensSofia Papanikolaou, Dimitrios Fasnakis, Andreas Maropoulos, Dimitrios Giagopoulos, Stergios Maropoulos and Theodoros TheodoulidisMATEC Web Conf., 318 (2020) 01033DOI: https://doi.org/10.1051/matecconf/202031801033