Abstract booklet : abstracts of contributions from the 18th International symposium on metallography, fractography and materials science : Metallography & fractography 2022 : April 27-29,2022, Hotel Atrium*** Nový Smokovec, High Tatra Mountains, Slovak Republic - Matvija, Miloš; Horňák, Peter, 1966- (Technical University of Košice, 2022)