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Electrochemical study of Type 304 and 316L stainless steels in simulated body fluids and cell cultures

Paper ID Volume ID Publish Year Pages File Format Full-Text
2638 119 2006 7 PDF Available
Title
Electrochemical study of Type 304 and 316L stainless steels in simulated body fluids and cell cultures
Abstract

The electrochemical corrosion behaviour of Type 304 and 316L stainless steels was studied in Hanks’ solution, Eagle’s minimum essential medium (MEM), serum containing medium (MEM with 10% of fetal bovine serum) without cells, and serum containing medium with cells over a 1-week period. Polarization resistance measurements indicated that the stainless steels were resistant to Hanks’ and MEM solutions. Type 304 was more susceptible to pitting corrosion than Type 316L in Hanks’ and MEM solutions. The uniform corrosion resistance of stainless steels, determined by Rp, was lower in culturing medium than in Hanks’ and MEM. The low corrosion resistance was due to surface passive film with less protective to reveal high anodic dissolution rate. When cells were present, the initial corrosion resistance was low, but gradually increased after 3 days, consistent with the trend of cell coverage. The presence of cells was found to suppress the cathodic reaction, that is, oxygen reduction, and increase the uniform corrosion resistance as a consequence. On the other hand, both Type 304 and 316L stainless steels became more susceptible to pitting corrosion when they were covered with cells.

Keywords
In vitro corrosion studies; Simulated body environment; L929; Fetal bovine serum; Polarisation resistance
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Electrochemical study of Type 304 and 316L stainless steels in simulated body fluids and cell cultures
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Publisher
Database: Elsevier - ScienceDirect
Journal: Acta Biomaterialia - Volume 2, Issue 6, November 2006, Pages 709–715
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us