[1]Ha, P.T. et al. 2017. Effects of aluminum phosphate sealant containing Al2O3 nanoparticles on the hardness and wear resistance of the Al2O3-TiO2 plasma sprayed coating. <i>Vietnam Journal of Science and Technology</i>. 55, 6 (Dec. 2017), 698–705. DOI:https://doi.org/10.15625/2525-2518/55/6/9026.