Oxidation Resistance Analysis Of Metallic (FeCrAl Foil) Catalytic Converter Developed By Ultrasonic ApproachA.M Leman, Dafit Feriyanto, N. Farhana, R. Rahmat, B.A. Bakar and I. BabaMATEC Web Conf., 78 (2016) 01009DOI: https://doi.org/10.1051/matecconf/20167801009