A TiZr type alloy manifesting excellent plastic workability at normal temperature fit for the use in general industry, allowing improvement in corrosion resistance fit for the use in medical treatment, offering improved corrosion resistance in an acidic solution, particularly a HCl solution, and having...http://www.google.se/patents/US6767418?utm_source=gb-gplus-sharePatent US6767418 - Ti-Zr type alloy and medical appliance formed thereof