Abstract
The main purpose of this study was to evaluate physicochemical and electrochemical properties of AISI 316L stainless steel with modified surface, used for implants in human urinary system. In order to simulate conditions, which occur in the tissue environment of the urinary system, the test pieces were exposed in a urinary solution at temperature of T=37±1°C, for a period of 30 days. Evaluation of physicochemical properties of biomaterial was made on the basis of surface chemical analysis (XPS). To evaluate the effects which occur on the surface of the examined steel, Electrochemical Impedance Spectroscopy (EIS) method was also employed. Analysis of test results shows favourable influence of the suggested surface treatment of AISI 316L stainless steel. Samples having electrolytically polished and chemically passivated surface featured the best physicochemical and electrochemical characteristics.
| Original language | English |
|---|---|
| Pages (from-to) | 625-630 |
| Number of pages | 6 |
| Journal | Archives of Metallurgy and Materials |
| Volume | 58 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 2013 |
Keywords
- AISI 316L stainless steel
- Electrochemical impedance spectroscopy (EIS)
- Scanning electron microscopy (SEM)
- X-ray photoelectron spectroscopy (XPS)
ASJC Scopus subject areas
- Metals and Alloys
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