Microstructure and shape memory behavior of a Ti-30Nb-3Pd alloy

High temperature shape memory behavior has been found in a Ti30Nb3Pd (wt%) ternary alloy. The alloy has a Ms ∼ 561 K, Mf ∼ 446 K, As ∼ 678 K and Af ∼ 772 K after being deformed and solution treated at 973-1173 K, followed by water-quenching. A strain limit for 100% recovery was measured around 2% after aging at 873 K for 20 min. A detailed microstructural investigation related to the shape memory effect is reported.