Axiomatic Design in Obtaining a Device for Ultrasonic Machining Oana Dodun, Ema Panaite, Petru Duşa, Gheorghe Nagît, Margareta Coteată and Laurentiu Slătineanu MATEC Web Conf., 223 (2018) 01021 Published online: 29 October 2018 DOI: 10.1051/matecconf/201822301021