Dr.M.Muthukumar, S.Balakrishnan, R.Nandhakumar and S.Paramesh Prabhu 2018. Reduction of valve scrap in plasma transferred ARC welding . International journal of intellectual advancements and research in engineering computations. 6, 1 (Mar. 2018), 451–455. DOI:https://doi.org/10.61096/ijiarec.v6.iss1.2018.451-455.