University of Zilina 1 article published in JoVE Engineering Ultrasonic Fatigue Testing in the Tension-Compression Mode Libor Trško1, František Nový2, Otakar Bokůvka2, Michal Jambor2 1Division of Materials Research for Transport, University of Žilina, 2Department of Materials Engineering, University of Žilina A protocol for ultrasonic fatigue testing in the high and ultra-high cycle region in axial tension-compression loading mode.