Electrochemical Behaviour of Ti-based Bulk Metallic Glass and Nano-crystalline Alloys for Biomedical Applications

Bulk metallic glasses were rapidly developed in the past decades because of unique properties comparing with crystalline alloys, such as high strength, high elastic limit, low Young’s modulus and excellent corrosion resistance [1]. So far many Ti-based metallic glasses have been developed [2-4]. While most of the Ti-based bulk metallic glasses with good glass-forming ability contain some toxic elements of Ni and/or Be, limiting the application of them in medical fields. Recently Ti-based bulk metallic glasses without toxic elements have been developed recently. The purpose of this research is to study the corrosion behaviour and corrosion mechanism of bulk metallic glass and its nano-crystalline alloys.