Surface treatment and corrosion behaviour of austenitic stainless steel biomaterial

被引：5
|
作者：
Oravcova, M. [1 ]
Palcek, P. [1 ]
Zatkalikova, V. [1 ]
Tanski, T. [2 ]
Krol, M. [2 ]
机构：
[1] Univ Zilina, Dept Mat Engn, Zilina 01026, Slovakia
[2] Fac Mech Engn, Inst Engn Mat & Biomat, PL-44100 Gliwice, Poland
来源：
4TH INTERNATIONAL CONFERENCE ON COMPETITIVE MATERIALS AND TECHNOLOGY PROCESSES (IC-CMTP4) | 2017年 / 175卷
关键词：
D O I：
10.1088/1757-899X/175/1/012009
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this article results from corrosion behaviour of austenitic stainless steel AISI 316L after different surface treatments are published. "As received" surface and surface after grinding resulted in lower resistance to pitting corrosion in physiological solution than electrochemically polished in H3PO4+H2SO4+H2O. Electropolishing also improved the surface roughness in comparison with the "as received" surface. Deposition of Al2O3 nanometric ALD coating improves the corrosion resistance of stainless steel in chloride-containing environment by shifting the breakdown potential toward more positive values. This oxide coating not only improves the corrosion resistance but it also affects the wettability of the surface, resulting in hydrophobic surface.
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页数：6
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