IN VITRO STUDY, CORROSION, AND THERMAL OXIDATION BEHAVIOR OF WIRE-SHAPED NITISN SHAPE MEMORY ALLOY

Ibrahim Nazem Qader, Mediha Kok, Zehra Deniz Cirak, Mustafa Ersin Pekdemir, Sinan Saydam and Yildirim Aydogdu
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Ibrahim Nazem Qader: Department of Physics, Faculty of Science, Firat University, Elazig, Turkey†Department of Physics, College of Science, University of Raparin, Sulaimaneyah, Iraq
Mediha Kok: Department of Physics, Faculty of Science, Firat University, Elazig, Turkey
Zehra Deniz Cirak: #x2021;Vocational School of Health Service, Inonu University, Malatya, Turkey
Mustafa Ersin Pekdemir: #xA7;Department of Chemistry, Faculty of Science, Firat University, Elazig, Turkey
Sinan Saydam: #xA7;Department of Chemistry, Faculty of Science, Firat University, Elazig, Turkey
Yildirim Aydogdu: #xB6;Department of Physics, Faculty of Science, Gazi University, Ankara, Turkey

Surface Review and Letters (SRL), 2021, vol. 28, issue 07, 1-11

Abstract: The development of NiTi-based shape memory alloys (SMAs) for some medical applications has been limited by releasing Ni element into the organic tissue. In this study, Ni47Ti50Sn3-wire (at.%) SMA was produced using the arc-melting technique, and the alloy was subjected to non-isothermal processes. Some characteristics of the alloys, such as oxidation behavior, corrosivity, and in vitro study in simulated body fluid and physiological solution at body temperature, were investigated. The corrosion rate of the as-casted alloy was lower than the equiatomic-NiTi alloy found in the literature. The estimated ICP-MS results showed that the release of alloying constituents into the solutions is in accordance with the standards.

Keywords: NiTiSn; wire-shaped shape memory alloy; oxidation; TiO2; corrosivity; in vitro (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1142/S0218625X21500670

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