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), pp. 451–455. doi: 10.61096/ijiarec.v6.iss1.2018.451-455.