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Current Density Contour Map of TiNi Shape Memory Alloy in Simulated Physiological Solutions

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Abstract:

In order to investigate the corrosion behavior of TiNi shape memory alloy, especially electrochemical behavior of pitting and crevice corrosion in a human body, current density contour(CDC) map of TiNi alloy was constructed by potentiodynamic polarization technique in simulated physiological sodium chloride solutions of pH ranging from 1 to 13 at 37oC. Morphology of pits and corrosion products in sodium chloride solutions of various pH were analyzed by SEM and EDX, and susceptibility and mechanism of localized corrosion were also discussed.

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Advanced Biomaterials VII View Preview

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Periodical:

Key Engineering Materials (Volumes 342-343)

Pages:

573-576

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.342-343.573

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Online since:

July 2007

Authors:

Woon Suk Hwang, Seung Chan Na, Jeong Ja Lee

Keywords:

Crevice Corrosion, Current Density Contour (CDC) Map, Physiological Solution, Pitting, TiNi Shape Memory Alloy

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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