High Density, Ultra Hard Titanium Composite

Nuenz fabricated titanium composites.  Commercially Pure and Ti64 powders were used to synthesise Ti-Si3N₄ composites.  The composites were high-density and had a very high hardness of 401 HBW.  

The Si₃N4 partially reacted at the interphase to form Ti-Si-N and Ti(N)0.03 phases which explained the ultra-hard MMC material.  The MMC is a good candidate for high-wear coatings.