Microstructural Analysis of Ti-Based Shape Memory Alloys Following the Electrochemical Corrosion in Artificial Saliva

The investigations carried out aimed to highlight the structural modifications occurred in the Ti-based shape memory alloys subject to electrocorrosion in Afnor artificial saliva. The behavior to corrosion was highlighted by fast electrochemical tests, mainly by dynamic potentiometry. From the micro...

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Published inIOP conference series. Materials Science and Engineering Vol. 209; no. 1; pp. 12033 - 12038
Main Authors Baciu, C, Baciu, E R, Cimpoeșu, R, Levente, C G, Bosinceanu, D G, Baciu, M, Bejinariu, C
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.06.2017
Subjects
Corrosion
Corrosion products
Corrosion rate
Electrical measurement
Electrochemical corrosion
Microstructural analysis
Pitting (corrosion)
Potentiometric analysis
Saliva
Shape memory alloys
Titanium base alloys
Toxicity
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Summary:The investigations carried out aimed to highlight the structural modifications occurred in the Ti-based shape memory alloys subject to electrocorrosion in Afnor artificial saliva. The behavior to corrosion was highlighted by fast electrochemical tests, mainly by dynamic potentiometry. From the microstructural analysis we noticed that the specimens of the two Ti-based shape memory alloys show traces of "pitting" corrosion on their surface of diverse sizes, a fact that will raise issues in terms of cytotoxicity due to the corrosion products released.
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ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/209/1/012033