Patent ID: 8142749
Filing Date: 2012-03-27
Classification: B22F,C01B,C04B,C22C,C25C

Abstract:
1. A composition of matter having a titanium diboride crystal lattice, the composition being a solid solution consisting essentially of a titanium diboride solvent and a solute of at least one substitutional transition metal element selected from the group consisting of tungsten, molybdenum, iron, cobalt, nickel, niobium, and tantalum, wherein the at least one substitutional transition metal element occupies a titanium site of the titanium diboride crystal lattice wherein the amount of the at least one substitutional transition metal element in the solid solution is in the range of about 0.5 to about 3.5 weight percent and the composition has a microstructure consisting essentially of a single phase and the microstructure is essentially free of grain boundary phases.