Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11665
Title: Oxidation behavior of TiNi shape memory alloy at 450-750°C
Authors: Xu, CH
Ma, XQ
Shi, SQ 
Woo, CH
Keywords: Activation energy
Diffusion coefficient
Oxidation
Scale spallation
TiNi
Issue Date: 2004
Publisher: Elsevier
Source: Materials science and engineering. A, Structural materials : properties, microstructure and processing, 2004, v. 371, no. 1-2, p. 45-50 How to cite?
Journal: Materials science and engineering. A, Structural materials : properties, microstructure and processing 
Abstract: The isothermal oxidation behavior of a commercial TiNi shape memory alloy (SMA) in pure oxygen over the temperature range of 450-750 °C was studied. The oxidation products were identified by X-ray diffraction (XRD). Characterization of the specimens after oxidation was conducted using scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS). The oxidation kinetics at different temperature was studied, according to parabolic and logarithmic laws. The mechanism and activation energy of oxidation were discussed based on the oxidation kinetics. The spallation of the multi-layer scale formed during oxidation was analyzed by growth induced thermal stresses.
URI: http://hdl.handle.net/10397/11665
ISSN: 0921-5093
EISSN: 1873-4936
DOI: 10.1016/S0921-5093(03)00287-9
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