Microstructure and Tribological Behaviour of CrCuFeNiTi High Entropy Alloys Kehinde Sobiyi, Michael Bodunrin, Esther Akinlabi and Babatunde Obadele MATEC Web Conf., 82 (2016) 02007 Published online: 31 October 2016 DOI: 10.1051/matecconf/20168202007