Mahdavi, S. , Allahkaram, S. (2015), 'Investigation of Tribological Behavior of Electrodeposited Cr, Co-Cr and Co-Cr/TiO2 Nano-Composite Coatings', World Academy of Science, Engineering and Technology, Open Science Index 103, International Journal of Materials and Metallurgical Engineering, 9(7), 787 - 791.