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Materials Science

, Volume 54, Issue 3, pp 406–411 | Cite as

Phase Transformations and Mechanical Properties of the Nitinol Alloy with Shape Memory

  • V. P. Iasnii
  • R. Junga
Article
  • 4 Downloads

We study the Ni55.8Ti44.2 alloy in the form of rods 8 mm and wires 1.5 mm in diameter. By the method of differential scanning calorimetry, we find the temperatures of phase transformations different for the rods and the wires. The stresses corresponding to the onset and termination of phase transformations at room temperature are determined. We also analyze the influence of the diameters of specimens on the temperatures of phase transformations, deformation of behavior of the alloy, and its mechanical characteristics.

Keywords

Ni–Ti alloy temperatures of phase transformations stress-strain diagram scaling factor 

References

  1. 1.
    S. Miyazaki, S. Kimura, F. Takei, T. Miura, K. Otsuka, and Y. Suzuki, “Shape memory effect and pseudoelasticity in a TiNi single crystal,” Scr. Metall., 17, No. 9, 1057–1062 (1983).CrossRefGoogle Scholar
  2. 2.
    O. S. Onyshko, “Modeling of the physicomechanical behavior of bodies made of alloys with shape memory in the presence of electric fields,” Fiz.-Khim. Mekh. Mater., 53, No. 4, 107–111 (2017); English translation : Mater. Sci., 53, No. 4, 541–547 (2018).Google Scholar
  3. 3.
    H. Ma and C. Cho, “Feasibility study on a superelastic SMA damper with recentering capability,” Mater. Sci. Eng. A, 473, Nos. 1–2, 290–296 (2008).Google Scholar
  4. 4.
    P. Yasniy, M. Kolisnyk, O. Kononchuk, and V. Iasnii, “Calculation of constructive parameters of SMA damper,” Sci. J. TNTU, 88, No. 4, 7–15 (2017).Google Scholar
  5. 5.
    J. A. Shaw and S. Kyriakides, “Thermomechanical aspects of NiTi,” J. Mech. Phys. Solids, 43, No. 8, 1243–1281 (1995).CrossRefGoogle Scholar
  6. 6.
    L. V. Bazyuk and N. V. Meshcheryakova, “Methods for the determination of the enthalpy of metals and alloys (a survey),” Visn. Prykarpat. Nats. Univ. Stefanyka, Ser. Khim., No. 11, 81–89 (2011).Google Scholar
  7. 7.
    K. V. Kodre, S. R. Attarde, P. R. Yendhe, R. Y. Patil, and V. U. Barge, “Differential scanning calorimetry: A review,” Res. Rev. J. Pharm. Anal., 3, No. 3, 11–22 (2014).Google Scholar
  8. 8.
    V. Iasnii, V. Brevus, and P. Marushchak, “A method and some results of studies of slow deformation and fracture of heat-resistant steel,” Visn. TNTU, 69, No. 1, 7–13 (2013).Google Scholar
  9. 9.
    ASTM F2516-14. Standard Test Method for Tension Testing of Nickel-Titanium Superelastic Materials, ASTM International, Conshohocken (2014).Google Scholar
  10. 10.
    Introduction to Nitinol, Memry Corporation, Bethel–Menlo Park–New Hartford (2017).Google Scholar
  11. 11.
    V. Torra, S. Casciati, and M. Vece, “Shape memory alloys wires: from small to medium diameter,” Adv. Sci. Technol. Trans. Tech. Publ., 101, 79–88 (2016).Google Scholar

Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Pulyui Ternopil National Technical UniversityTernopilUkraine
  2. 2.Politechnika OpolskaOpolePoland

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