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

页码：3490 / 3493

页数：4

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