Abstract
A new and simple method is proposed to fabricate fully dense and single fcc phase of substoichiometric titanium nitride (TiNx). Powders mixture composed of titanium hydride (TiH2) and titanium nitride (TiN) was consolidated by using pulsed electric current sintering. All samples showed relative density values higher than 98% with larger grain size at lower nitrogen concentration. Lattice parameter increased linearly with increasing [N]/[Ti] ratio. In addition, TiNx with substoichiometric compositions was more easily densified than stoichiometric TiN. The addition of TiH2 improves the sinterability of the samples preserving the fcc phase characteristic of TiN.
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