Application of Taguchi approach to optimize friction stir welding parameters of polyethyleneM.A. Rezgui, M. Ayadi, A. Cherouat, K. Hamrouni, A. Zghal and S. BejaouiEPJ Web of Conferences, 6 (2010) 07003DOI: https://doi.org/10.1051/epjconf/20100607003