Crystallographic crack propagation rate in single-crystal nickelbase superalloys Christian Busse, Frans Palmert, Paul Wawrzynek, Björn Sjödin, David Gustafsson and Daniel Leidermark MATEC Web Conf., 165 (2018) 13012 Published online: 25 May 2018 DOI: 10.1051/matecconf/201816513012