Investigation on the Micro Hardness of Electroless Ni-P Duplex Coatings Reinforced with ZnO, Al2O3, and SiC Particles . int. J. Eng. Res. Sci. Tech. 2022;18(1):67-73. Accessed July 27, 2026. https://ijerst.org/index.php/ijerst/article/view/108