Mohamad, W. F., Khan, A. A., Ahmad, F., & Yassin, A. (2020). Phase analysis and microstructure study of sintered Ni-Cr composites containing MoS2, Ag and CaF2 additives as solid lubricants. Journal of Mechanical Engineering and Sciences, 14(2), 6548 - 6556. https://doi.org/10.15282/jmes.14.2.2020.02.0514