Sustainability aspects in the warm forming of tailor welded blanks V.V.N. Satya Suresh, A. Suresh, S.P Regalla, P.V Ramana and O. Vamshikrishna E3S Web Conf., 184 (2020) 01042 Published online: 19 August 2020 DOI: 10.1051/e3sconf/202018401042