[PDF] Top 20 Mechanical Properties of Ti–50(Pt,Ir) High Temperature Shape Memory Alloys

... shape memory characteristics at high temperature were due to the rapid decrease of the critical stress for slip at high ...no shape recovery was found at 1183 K by the ... See full document

... for shape recovery. The shape memory effect was measured by comparing the sample’s length before deformation, after applying 5% strain and after heat ...For mechanical testing, cyclic ... See full document

... investigate shape memory properties of the 50Ti and 52Ti alloys solution treated and aged at various temperatures, and the results are shown in ...The shape memory effect was ... See full document

... occurs with changing temperature. This is because marten- sitic transformation is suppressed by lots of lattice defects such as dislocations. In this case, the phase reaction heat per kelvin (or per second) ... See full document

... 70s, Memory Alloys at high temperature alloy Ti and Pd and Au were produced that tolerated a higher transition temperature (above 100 degrees) was ...leading. Memory ... See full document

... of Ti-Ni-Nb SMAs were manufactured by a high frequency induction vacuum ...Ni/ Ti atomic ratio is a constant of 1 and Nb content was changed from 0 to 15 mol%, and (2) the Nb content is fixed to be 6 ... See full document

... and Ti-Sn-Mo alloys along the above conception, which appears in this ...Reliable shape recovery strain in both the alloys is about ...the high shape memory ... See full document

... with high purity element by melting four times in a non-consumed vacuum arc furnace under argon atmosphere, and then cast into rods 10 mm in diameter and 75 mm in length using a cylindrical copper mold set at the ... See full document

... the Ti-6Mo-3Ga specimens annealed at 1073 K and 1273 K: they were obtained from cyclic deformation at room temperature to various strains followed by heating to 500 K for each ...perfect shape ... See full document

... of Ti-(20–28)at%Nb alloys obtained by tensile tests at room temperature after the solution treatment at 1173 K for ...the Ti-20 at%Nb ...The Ti-26 at%Nb alloy exhibits double ...for ... See full document

... In order to clarify the effect of the ternary addition on the lattice parameter, the lattice parameters of phase for the Ti18Nb3X alloys were plotted in Fig. 2 as a function of Goldschmidt radius of alloying metal. ... See full document

... two Ti-Mo-Al alloys developed, Mo was detected as 17 and 29 ppb in the extracts of Ti-6Mo-3Al and ...of Ti was 21 and 20 ppb, respectively, suggesting the preferential release of Mo from these ... See full document

... the Ti–Ni–Co aged ...T alloys, while two peaks are done in both the processes of the 723-T alloys for over ...aged alloys is believed to be due to the B2 ↔ R transformations, because the ... See full document

... containing shape memory fiber with human ...of shape memory effect fabrics in biological and medical ...of shape memory fabrics in medical textiles, corselets were ...of ... See full document

... between Ti and X is low, the ionic- ity does not play a major role on bonding behavior of these ...TiFe alloys is believed to be due to covalent hybridi- zation between Ti and Fe ... See full document

... thermo-mechanical properties or the various synthesis methods and applications. Shape Memory Alloys are also used in applications that require lightweight construction such as in the ... See full document

... ¢-type Ti alloys exhibits a stress induced martensitic transformation from parent phase (¢: body centered cubic) to martensite phase ( ¡″ : ...the shape memory effect and the superelastic ... See full document

... the Ti-Ni phase matrix varies due to the development of the formation and growth of the ...transformation temperature increases with decreasing Ni concentration, and on the contrary the increase of the Ni ... See full document

... In order to determine the demagnetizing field, a measurement of the sample’s magnetization behavior was necessary. It is important to make a distinction between the magnetization processes caused by twin motion, and that ... See full document

... The results of Khan et al. depicted the influence of the twin domains on the internal field, much like the experimental results of Lai et al. [40] and Heczko et al. [75]. Heczko et al. [23] specifically showed the ... See full document