An Improvement in Welded Joint Using Vibration Assisted Arc Welding Mohammad Ahsan Habib, Anayet U Patwari, Nuruzzaman Rakib, Mahmudul H. Pavel, Ahmed Y. Sanin, Asif Salman and Fahrial Alam MATEC Web Conf., 221 (2018) 04004 Published online: 29 October 2018 DOI: 10.1051/matecconf/201822104004