Development and characterization of Nickel-Titanium-Zirconium shape memory alloy for engineering applications

被引：8

作者：

Khan, Aun Nawaz ^{[1
]}

Muhyuddin, Mohsin ^{[1
]}

Wadood, Abdul ^{[1
]}

机构：

[1] Inst Space Technol, Dept Mat Sci & Engn, Islamabad 44000, Pakistan

来源：

RUSSIAN JOURNAL OF NON-FERROUS METALS | 2017年 / 58卷 / 05期

关键词：

SMA; Nitinol; EDS; NITI; TRANSFORMATION; TERNARY; MARTENSITE; CORROSION; BEHAVIOR; SILVER; ZR; PD;

D O I：

10.3103/S1067821217050078

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Shape Memory Alloys (SMA) are unique class of alloys which possess various engineering applications. One such SMA is Nickel-Titanium (Nitinol) shape memory alloy. The problem, however with Nickel is that the metal may leach out in form of toxic Ni2+ ions. The latter may prove costly when used in various applications. To increase the corrosion resistant properties of Nitinol and to evaluate its shape memory properties, small amount of Zirconium i.e. 5 and 10 at % are added into the existing Nitinol system. Buttons of Nitinol and Nickel-Titanium with Zirconium additions are made using the button arc furnace. For the characterization of the alloys, various techniques including Energy Dispersive Spectroscopy (EDS), Back Scattering Electron (BSE) imaging, Differential Scanning Calorimetry (DSC) have been performed. The work conducted reveals that addition of Zirconium in Nitinol has marked influence on microstructure, shape memory properties, transformation temperature, hardness values, and corrosion properties of the alloy.

引用

页码：509 / 515

页数：7

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