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In this paper preparation of new beta-Ti alloys using mechanical alloying process has been shown. beta-Ti alloys are the best metallic biomaterials because of their excellent properties: biocompatibility, low Young moduli and corrosion resistance. Ti-20Ta-20Nb biocompatible alloy was investigated. Mg was used as alloying element, as well (10, 15 and 20 wt%). Pure Ti, Nb, Ta and Mg powders were alloyed under argon atmosphere in shaker type mill (Spex 8000). There was no problem with cold welding in the mechanical alloying of titanium alloys containing Mg. In the paper a possibility of porous materials preparation by sintering in temperature higher than boiling temperature of Mg has been shown. This thermal dealloying method could be an alternative to space holder technique.

Mechanical Alloying of Ti-20Ta-20Nb-(10÷20)Mg Alloys