Effect of Pulsed Laser Deposition of Thin Surface Film of 316 L Stainless Steel on Corrosion Behaviour of Mild Steel

被引：0

作者：

Gupta R.K. ^{[1
]}

Mishra S. ^{[2
]}

Verma S. ^{[1
]}

Rao B.T. ^{[1
]}

Rai S.K. ^{[1
]}

Bose A. ^{[1
]}

Ganesh P. ^{[1
]}

Kaul R. ^{[1
]}

机构：

[1] Raja Ramanna Centre for Advanced Technology, Indore, 452013, MP

[2] IEHE, Bhopal

来源：

Lasers in Manufacturing and Materials Processing | 2021年 / 8卷 / 03期

关键词：

Corrosion; Mild steel; Pulse laser depostion; Stainless steel;

D O I：

10.1007/s40516-021-00149-z

中图分类号：

学科分类号：

摘要：

This paper describes an experimental corrosion study performed on austenitic stainless steel deposited mild steel substrate in 0.5 M sodium chloride medium. The study was performed with an aim to improve the corrosion resistance of mild steel substrate through surface deposition of a thin film of asutenitic stainless steel. The thin SS film was deposited by pulse laser deposition technique while using 316 L grade stainless steel foil as a target. Thin film deposition of 316 L stainless steel on mild steel brought about relative improvement in its resistance against corrosion. However, with respect to 316 L stainless steel foil, the specimen exhibited poor corrosion resitance in terms of corrosion rate (corrosion current density), lack of passivity and pitting potential. The reason for the inferior corrosion behaviour of deposited specimen is attributed to defective ferritic microstructure of the thin film and lack of nickel constituent which was associated with lower resistance and higher capacitance with respect to 316 L stainless steel foil. Similarly, with respect to mild steel, deposited mild steel showed better corrosion resistance due to passive role of chromium enriched film. © 2021, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.

引用

页码：312 / 324

页数：12

共 27 条

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