Plasma Electrolytic Oxidation Treatment of Zr-2.5%Nb Alloy for Corrosion Resistance Enhancement

被引：0
|
作者：
Coaca, Elisabeta [1 ,2 ]
Marin, Alexandru [1 ]
Rusu, Oana [1 ]
Malinovschi, Viorel [3 ]
Andrei, Victor [4 ]
机构：
[1] Inst Nucl Res Pitesti, 1 Campului Str, Mioveni, Arges, Romania
[2] Univ Politehn Bucuresti, Dept Inorgan Chem, Phys Chem & Electrochem, 132 Calea Grivitei, Bucharest 010737, Romania
[3] Univ Pitesti, 1 Targul Vale Str, Pitesti 110040, Romania
[4] ELSSA Lab SRL, 26 Crinului Str, Pitesti 110109, Romania
来源：
REVISTA DE CHIMIE | 2018年 / 69卷 / 12期
关键词：
plasma electrolytic oxidation; zirconium oxide; Zr-2.5%Nb alloy; tetrasodium pyrophosphate; sodium silicate; ZIRCONIUM ALLOY; HIGH-TEMPERATURE; COATINGS; ZIRCALOY-4; SILICATE; OXYGEN; LAYERS; PHASE;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Anticorrosion layers were prepared on commercial Zr-2.5%Nb alloy by employing plasma electrolytic oxidation (PEO) process in aqueous electrolyte solutions. Microstructure and electrochemical behavior were evaluated using X-ray diffraction (XRD), optical metallography and potentiodynamic polarization measurements. The obtained coatings are uneven, presenting a dominant monoclinic crystallographic phase of ZrO2. Enhanced corrosion resistance was attributed to the PEO-treated samples compared to the commercial black oxide coating.
引用
收藏
页码：3490 / 3493
页数：4
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