Investigation of Damping Coefficient For Magnetorheological Elastomer M.N.Hazwan Hadzir, Z.A. Norfaidayu, M.S.Mohamad Sabri and Muhamad-Husaini Abu-Bakar MATEC Web Conf., 217 (2018) 02003 Published online: 17 October 2018 DOI: 10.1051/matecconf/201821702003