Re-assessment of Structural Properties of Heat Treatment on the NiTi Alloy

Mehmet Çetin; Gizem Durak Yüzüak; Ercüment Yüzüak

doi:10.5281/zenodo.7459153

Authors

Mehmet Çetin Recep Tayyip Erdogan University, Faculty of Engineering and Architecture, Department of Energy Systems https://orcid.org/0000-0001-6422-4634
Gizem Durak Yüzüak Munzur University, Rare Earth Elements Application and Research Center, 62000 Tunceli, Turkey https://orcid.org/0000-0002-2358-8789
Ercüment Yüzüak Recep Tayyip Erdoğan University - Energy Systems Engineering

DOI:

https://doi.org/10.5281/zenodo.7459153

Keywords:

NiTi alloy, Heat treatment, Superelastic

Abstract

Scientists are interested in the structural characteristics of materials having solid state effects-based phase transition properties as well as the linkage between phase transition kinetics and structural phase transformation. In this study, the impact of heat treatment on the structural characteristics at room temperature was attempted to be investigated beginning with the manufacture of NiTi material in volumetric form. These research' observations of the phase transition at almost room temperature and structural instability serve as its foundation. The annealing process causes a reevaluation of NiTi alloys. As a result of the heat treatment, the high temperature phase (Austenite, B2) and the low temperature phase (Martensite, B19') coexist, despite the fact that the crystalline structure of the high temperature phase is present near ambient temperature before manufacturing. In this instance, it is undeniably demonstrated that the phase transformation temperature can be changed with heat treatment, and in light of these results, this study can reserve as a model for other situations.

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