Phosphogypsum (PG) is a typical by-product of phosphoric acid and phosphate fertilizers during acid digestion. The application of cemented paste backfill (CPB)
Al2O3 nanoparticles and MCrAlY/nano-Al2O3 nanocomposite powder (M = Ni, Co, or NiCo) were produced using high-energy ball milling. The MCrAlY/nano-Al2O3 coating