Corrosion behavior, mechanical properties and cell cytotoxity of Zr-based bulk metallic glasses

ZrAlCoNb bulk metallic glasses with different Nb contents were fabricated by copper mold casting. Corrosion behavior, mechanical properties and cell cytotoxity were investigated. The investigated Zr-based bulk metallic glasses exhibit high corrosion resistance due to the enrichment of Zr and Al in the oxide layer. The yield strength of 1975 MPa and a plastic strain of 3.5% for Zr56Al16Co23Nb5 BMG are obtained. The cell viability is improved with increasing of Nb content.