Influence of the Porosity of a Plasma-Electrolytic Coating on the Corrosion Resistance of D16 Alloy

被引：0
|
作者：
M. M. Student
I. B. Ivasenko
V. M. Posuvailo
H. H. Veselivs’ka
A. Yu. Pokhmurs’kyi
Ya. Ya. Sirak
V. M. Yus’kiv
机构：
[1] Ukrainian National Academy of Sciences,Karpenko Physicomechanical Institute
[2] Brandenburgische Technische Universitat Cottbus,undefined
[3] “L’vivs’ka Politekhnika” National University,undefined
来源：
Materials Science | 2019年 / 54卷
关键词：
D16 alloy; plasma-electrolytic oxidized coatings; corrosion resistance; oxide-ceramic coatings; pores;
D O I：
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学科分类号：
摘要：
We study the effect of the coating thickness on the corrosion resistance and porosity of oxide-ceramic coatings on D16 alloy. The coatings were synthesized in an alkaline solution for 10, 60, and 120 min at a current density of 10 A/dm2 . As a result, the coatings with thicknesses of ∼ 8–12, 50–70, and 80–120 μm, respectively, were formed on the surface of the alloy. The corrosion resistance of the coatings was investigated in a medium of weakly acid rain and in a 3% NaCl solution in water. We established the correlation between the porosity and corrosion resistance of the coatings. The oxide-ceramic coatings synthesized on D16 alloy for 60 min have the lowest porosity and the highest corrosion resistance.
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页码：899 / 906
页数：7
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