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In vitro corrosion behaviour of Ti-5Al-2Nb-1Ta alloy in Hanks solution

✍ Scribed by S. Tamilselvi; N. Rajendran

Publisher: John Wiley and Sons
Year: 2007
Tongue: German
Weight: 237 KB
Volume: 58
Category: Article
ISSN: 0947-5117
DOI: 10.1002/maco.200604001

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✦ Synopsis

Abstract

Electrochemical polarization and impedance spectroscopic (EIS) techniques were used to investigate the corrosion behavior of Ti‐5Al‐2Nb‐1Ta alloy in Hanks solution at different immersion periods (0 h, 120 h, 240 h and 360 h). The impedance spectra are fitted using a non‐linear least square (NLLS) fitting procedure. The EIS spectra exhibited a two time constant system, suggesting the formation of two layers on the metal surface. The surface morphology of the alloy has been characterized by SEM and EDAX measurements.

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