Titanium based article with high hardness and high gloss process for preparing and process for hardening and colouring the surface of this article.

摘要

A novel Ti-based article consists of a mixt. of (a) a Ti matrix derived from titanium hydride and (b) one or more addn. elements selected from nitrides, carbides, carbonitrides, silicides and borides of gp. IIIa, IVb, Vb, VIb, VIIb and VIIIb elements (e.g. Fe, Ti, Si, Nb, Mo, Cr, W, V and Al) or their alloys, Al2O3 and ZrO2. Also claimed are (i) a process for mfg. the above article by sintering; and (ii) a method of hardening and colouring the surface of a Ti-based article made by the above process.