TiNi alloys have a thermoelastic martensitic transformation from B2 phase (parent phase) to
B190 phase (martensite phase) and exhibit superelasticity and shape memory effect. 1) …

The thermoelastic martensitic transformation in the polycrystalline Ti 29.7 Ni 50.3 Hf 10 Zr 10
alloy was studied using high-resolution and in situ neutron diffraction in the temperature …

The functional properties of shape memory alloys are strongly sensitive to the composition of
alloys. In this study, the effect of Ti/Ni ratio and Hf/Zr ratio on the martensitic transformation …

Aging effects on the transformation behavior of Ti 48 Ni 52 SMA aged at 600° C and 550° C
were investigated. The transformation evolution of specimens aged at 600° C and at 550° C …

A NiTiHf alloy with a composition of Ni 50.5 Ti 27.2 Hf 22.3 (at%) was heat treated at various
temperatures between 400 and 550° C at times ranging from 1 to 51 h to determine the …

Among shape memory alloys (SMA), near equiatomic Ni–Ti show the best functional
properties (large recovery strains and stresses, high corrosion resistance, biocompatibility) …

In this study, the combined effects of strengthening, precipitates, and textures on the shape
recovery ability and superelasticity of thermomechanically treated Ti49. 3Ni50. 7 shape …

This study demonstrates that a high density and a high transformation heat can be attained
for PM TiNi. With the use of fine elemental powders, a composition of Ti 51 Ni 49, two-step …

Single-step transformation was observed for Ti–50.6 at.% Ni shape memory alloy (SMA)
solution annealed at 800° C for 20 min and quenched to 0° C. However, multiple-step …

Conclusions The tensile behavior of the Ti 36 Ni 49 Hf 15 alloy is characterized by
continuous yielding and high work hardening in the temperature range from 293K to 673K …