Electrochemical Noise Measurements on Titanium Regarding Implant Applications

被引：0
|
作者：
Greul, Andreas [1 ]
Kleber, Christoph [2 ]
von See, Constantin [2 ]
Hassel, Achim Walter [1 ,2 ]
机构：
[1] Johannes Kepler Univ Linz JKU, Inst Chem Technol Inorgan Mat TIM, Altenberger Str 69, A-4040 Linz, Austria
[2] Danube Private Univ DPU, Fac Med & Dent, Steiner Landstr 124, A-3500 Krems, Austria
来源：
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE | 2023年 / 220卷 / 22期
基金：
欧盟地平线“2020”;
关键词：
corrosion; electrochemical noise; implants; titanium; ALLOYS;
D O I：
10.1002/pssa.202300070
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The suitability of electrochemical noise measurements to gather information on the corrosion behavior of titanium implants is explored. Rod-shaped titanium samples have been immersed in different types of electrolytes, and the generated electrochemical noise is evaluated. The electrolytes include simulated body fluids, namely phosphate-buffered saline and artificial saliva. Different data evaluation methods have been explored. The evaluation of the time-domain data and further statistical methods shows promising results. Noise resistance values ranging from 0.09 M omega for 3.5 wt% H2SO4 solution up to 0.45 M omega for simulated body fluids have been recorded. It is possible to determine the dominating corrosion modes on the sample surface and reach results in alignment with expectations and established knowledge on corrosion mechanisms.
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页数：8
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