MOHAMAD, W. F.; KHAN, A. A.; AHMAD, F.; YASSIN, A. 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, [S. l.], v. 14, n. 2, p. 6548–6556, 2020. DOI: 10.15282/jmes.14.2.2020.02.0514. Disponível em: https://journal.ump.edu.my/jmes/article/view/1749. Acesso em: 13 aug. 2022.