Corrosion inhibition capabilities of aluminium thin films on AZ31 magnesium alloy

被引：2

作者：

Marndi, Sundeep Kumar ^{[1
]}

Raman, Pachaiappan ^{[2
]}

Sankarakumar, Amirthapandian ^{[3
,4
]}

Nagamony, Ponpandian ^{[5
]}

Thangadurai, Paramasivam ^{[1
,6
]}

机构：

[1] Pondicherry Univ, Ctr Nanosci & Technol, Kalapet, India

[2] SRM Univ, Sch Bioengn, Dept Biotechnol, Kattankulathur, India

[3] Indira Gandhi Ctr Atom Res, Mat Sci Grp, Kalpakkam, India

[4] A CI Homi Bhabha Natl Inst, Indira Gandhi Ctr Atom Res, Kalpakkam, India

[5] Bharathiar Univ, Dept Nanosci & Technol, Coimbatore, India

[6] Pondicherry Univ, Ctr Nanosci & Technol, Kalapet 605014, Puducherry, India

来源：

MATERIALS SCIENCE AND TECHNOLOGY | 2023年 / 39卷 / 17期

关键词：

Corrosion inhibition; magnesium alloys; AZ31; aluminium thin film; XPS; ZN TRANSITION LAYER; MG ALLOYS; COATINGS; BEHAVIOR; RESISTANCE; MICROSTRUCTURE; PERFORMANCE; PROTECTION; SUBSTRATE; THICKNESS;

D O I：

10.1080/02670836.2023.2226487

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Al coating of varying thicknesses in the 50 to 200 nm range was coated on AZ31 Mg alloys to improve its corrosion capabilities. The thermal evaporation method is used for coating AZ31 Mg alloys. GIXRD, SEM, AFM and XEDS studied the structure, microstructure, and chemical analysis. GIXRD studies showed an amorphous thin film on the surface. AFM showed that the surface roughness increases with the coating thickness. Corrosion studies were done by electrochemical analysis in 3.5 wt-% NaCl environment. The Al coating has improved the corrosion resistance of the AZ31 alloy to the best with the lowest corrosion rate 0.07 mmpy, with the corrosion current density and corrosion potential of 0.32 x 10(-5) A/cm(2) and -1.17 V, respectively.

引用

页码：2792 / 2810

页数：19

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