Dinh, C. 2017. Identify suitable range of technical parameters for the best porosity of Cr3C2 – NiCr coating on C45 steel by high velocity oxygen-fuel spraying method (HVOF). Science and Technology Development Journal. 20, K6 (Oct. 2017), 66-71. DOI:https://doi.org/https://doi.org/10.32508/stdj.v20iK6.1175.