Enhanced wear and corrosion resistances of Al coated Mg alloy using high pressure cold sprayed commercially pure-zirconium coating

被引：3

作者：

Daroonparvar, M. ^{[1
,4
]}

Helmer, A. ^{[2
]}

Ralls, A. M. ^{[1
]}

Khan, M. U. Farooq ^{[2
,3
]}

Kasar, A. K. ^{[1
]}

Menezes, P. L. ^{[1
]}

Misra, M. ^{[4
]}

Gupta, R. K. ^{[2
]}

机构：

[1] Univ Nevada, Dept Mech Engn, Reno, NV 89501 USA

[2] North Carolina State Univ, Coll Engn, Dept Mat Sci & Engn, 911 Partners Way, Raleigh, NC 27695 USA

[3] Texas A&M Univ, Dept Nucl Engn, College Stn, TX 77843 USA

[4] Univ Nevada, Dept Chem & Mat Engn, Reno, NV 89501 USA

来源：

MATERIALS LETTERS | 2023年 / 346卷

基金：

美国国家科学基金会;

关键词：

Mg alloy; Metallic coating; Corrosion; Tribological performance; BEHAVIOR;

D O I：

10.1016/j.matlet.2023.134473

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Commercially pure (CP) Zr coating with high microhardness (387 +/- 26 HV0.025) was produced on CP-Al coated Mg alloy by a high pressure cold spray (HPCS) system. Substantial densification of Al layers, beneath deposited Zr coating, was observed because of shot-peening influence by Zr particles. The electrochemical impedance spectroscopy after 24 h of immersion in 3.5 wt% NaCl electrolyte revealed highest charge transfer resistance (Rct), polarization resistance (Rpol), and corrosion resistance (|Z|f=0.01Hz) for the Zr/Al coated Mg alloy. Also, wear rate for the Zr/Al coating was lowest which could be attributed to its higher hardness caused by smaller crystallite size and higher dislocation density.

引用

页数：4

共 28 条

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