Investigation of Oxide Thickness on Technical Aluminium Alloys—A Comparison of Characterization Methods. - Gruber, Ralph; Singewald, Tanja Denise; Bruckner, Thomas Maximilian; Hader-Kregl, Laura; Hafner, Martina; Groiss, Heiko; Duchoslav, Jiri; Stifter, David (Metals (2075-4701), 2023)