م مقاله کنفرانسی سال ۱۳۹۷ ۵۶۹ مشاهده Modification and characterization of nano-sized hydroxyapatite on Ti–6Al–4V alloy The HA TiO2 coating in the PT coating™ process successfully has made by biomaterial research group of NA… coatingPT-coating™nano-hydroxyapatite