Exploring the mechanical wear resistance properties of EN ISO 4957 tool steel with nano (WO3 and MgO) additives for Ni/nano composite coatings

Official URL: https://dx.doi.org/10.1088/2043-6262/ae3249

This study explored mechanical wear resistance properties of EN ISO 4957 tool steel material by exercising nano tungsten oxide (WO3) and magnesium oxide (MgO) additives for nickel (Ni) nanocomposite coatings by the direct current electrodeposition method. For this purpose, nanoadditive oxides were wet-fabricated and characterized by X-ray diffraction (XRD) and Scanning Electron Microscope (SEM) techniques in a nano range of 60–90 nm (WO3) and 90–100 nm (MgO), respectively. EN ISO 4957 Tool samples were coated with Ni-WO3/Ni-MgO nanocomposites, with different (0.5 g l−1, 1 g l−1, 3 g l−1, and 5 g l−1) concentrations by the direct current electrodeposition method. The coated samples were later investigated by stereo microscopy, scratch, micro-Vickers hardness, and wear resistance tools. Significant coefficient determination was observed in both the nanocomposites: micro Vickers hardness (R2 > 0.9), scratch test (R2 > 0.9), and wear resistance (R2 > 0.9). These results strengthen the proposed application technique in the enhancement of the mechanical wear resistance behavior of the EN ISO 4957 tool steel.