Shape memory characteristics of Ti-Ni-Mo alloys sintered by sparks plasma sintering

► Ti50Ni49.9Mo0.1 and Ti50Ni49.7Mo0.3 shape memory alloy powders were prepared by gas atomization and the transformation temperatures and microstructures of those powders were investigated as a function of powder size. ► The phase transformation temperatures of the porous specimens are almost the same as those of as-atomized powders. ► Recovered stains of the Ti50Ni49.9Mo0.1 and Ti50Ni49.7Mo0.3 specimens are 1.5 and 2.0%.