"To give you an idea, in the simplest system of two elements, say niobium and tungsten, if we consider a crystal lattice cell with 20 atoms, you're going to have to model more than a million ...

A series of titanium–niobium alloys (0–25 at ... sponge (as melted hardness 85–90 Brinell hardness number) by tungsten electrode arc melting under 20 cm argon. The 25 g buttons produced ...