We report the effect of aging on phase transformation temperature and mechanical strength
of Ni 50.3 Ti 29.7 Hf 20 high temperature shape memory alloy. Aging of the alloy at 550° C …

The microstructure and shape memory characteristics of the Ni 50.3 Ti 34.7 Zr 15 shape
memory alloy were investigated as a function of aging heat treatments that result in …

In this work we present the high temperature functional behavior of the new Ni 50.3 Ti 25 Hf
24.7 shape memory alloy (SMA). Very high transformation strains were measured during …

(Ti+ Hf) 3Ni4 particles precipitate in Ni-rich TiNiHf alloys aged at 823K. The results show that
the transformation temperatures of the alloys and their stability during thermal cycling …

Among the potential high temperature shape memory alloys, due to its low cost, medium
ductility and high work output NiTiHf seems to be the most promising HTSMA for a wide …

The effect of composition on microstructure, transformation behaviour and thermal stability of
cast and homogenized Ni75− XTiXPd25 alloys (X= 49.7, 50.0 and 50.3 at.%) were studied …

In recent years, high temperature shape memory alloy (SMA) has attracted much interest by
many groups of researchers. Many kinds of alloys, such as TiNiPd and NiAL alloys were …

In this work the functional behavior of the new Ni 51.2 Ti 23.4 Hf 25.4 high temperature
shape memory alloy is investigated along three crystal orientations in compression and …

In the present study, we investigate a microstructure which shows a three-step martensitic
transformation on cooling from the high temperature regime and two DSC peaks on heating …

In this study, the effects of Sc addition and aging on the microstructure and martensitic
transformation of Ni 50.3 Ti 29.7-x Hf 20 Sc x (x= 0, 0.5, 1, and 2 at.%) alloys were …