GB782564A - Improvements in or relating to titanium-aluminium base alloys - Google Patents

Abstract

A titanium alloy consists of Al 0.5 to less than 40 per cent and one or more of the following elements V 0.5-40 per cent, Nb 0.5-40 per cent, Ta 0.5-40 per cent, Zr 0.5-40 per cent, Mo 0.5-40 per cent, Pb 0.5-15 per cent, Co 0.5-5 per cent and the balance Ti which constitutes at least 50 per cent of the alloy, the Mo if present with Al and Ti alone exceeding 8 per cent. The alloy may also contain C up to 0.6 per cent (over 0.3 per cent in alloys of Ti, Al, Mo and C alone) O up to 0.2 per cent, N up to 0.2 per cent, W 0.50-25 per cent, Cr 0.5-25 per cent (Cr being over 6.0 per cent when present with Mo or Mo being over 6.0 per cent when present with Cr), Mn 0.5-10 per cent, Fe 0.5-7 per cent, Si 0.25-3 per cent, Be 0.1-2 per cent, Ni 0.25-5 per cent, Cu 0.25-5 per cent, In 0.5-10 per cent, Bi 0.5-5 per cent, Ag 0.5-15 per cent, B 0.05-10 per cent, Sb 0.5-18 per cent and or one or more of Ce, As, S, Te, P 0.1-2 per cent in total.