Hafnium containing Nb-Ti-Al high temperature alloy

摘要

An alloy is provided which has good operating strength and ductility at temperatures of 2000° to 2500° F. and density of between 6.5 and 7.0 g/cm.sup.3. The alloy contains niobium titanium hafnium and aluminum in concentrations as set forth below:P P ______________________________________ PP Concentration in Atom % PPIngredient From To P P ______________________________________ PPNiobium balance essentially PPTitanium 32 45 PP Hafnium 8 15 PPAluminum 3 18 PP ______________________________________ PP