Corrosion Behaviours of Additively Manufactured Nitrided 17-4 PH Steels in Different Environments

被引：1

作者：

Michla, J. R. Jessy ^{[1
]}

Nagarajan, Rajini ^{[1
]}

Ismail, Sikiru Oluwarotimi ^{[2
]}

Ramprabhu, T. ^{[3
]}

Siengchin, Suchart ^{[4
]}

Indiradevi, M. P. ^{[5
]}

Mohammad, Faruq ^{[6
]}

机构：

[1] Kalasalingam Acad Res & Educ, Dept Mech Engn, Krishnankoil 626126, Tamil Nadu, India

[2] Univ Hertfordshire, Ctr Engn Res, Sch Phys Engn & Comp Sci, Dept Engn, Hatfield AL10 9AB, England

[3] CEMILAC, Def R&D Org, Bangalore 93, India

[4] King Mongkuts Univ Technol North Bangkok, Sirindhorn Int Thai German Grad Sch Engn TGGS, Dept Mat & Prod Engn, Wongsawang Rd, Bangkok 10800, Thailand

[5] AAA Coll Engn & Technol, Dept Sci & Humanities, Sivakasi, Tamil Nadu, India

[6] King Saud Univ, Coll Sci, Dept Chem, POB 2455, Riyadh 11451, Saudi Arabia

来源：

TRANSACTIONS OF THE INDIAN INSTITUTE OF METALS | 2023年 / 76卷 / 07期

关键词：

Additive manufacturing; Nitrided 17-4 PH steel; Corrosion behaviour; Potentiodynamic polarisation; MARTENSITIC STAINLESS-STEEL; RESISTANCE; MICROSTRUCTURE; INCLUSIONS; PERFORMANCE; PROTECTION; WEAR;

D O I：

10.1007/s12666-023-02884-7

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

In this research work, the corrosion behaviours of additively manufactured nitrided 17-4 PH steels in different environments were experimentally investigated. The influence of nitriding on corrosion resistance of 3.5 wt.% of sodium chloride (NaCl) and 0.5 M of sodium sulphate (Na2SO4) environments was investigated. Results exhibit that the as-built specimens affected more on corrosion in form of pits in both environments. The nitrided 17-4 PH at 580 degrees C produced the best/optimum corrosion resistance property in both environmental conditions. The improved corrosion resistance was obtained due to the presence of homogenous distribution of chromium and iron in the form of nitrides (CrN and Fe3-4N) on the surface along with other compounds.

引用

页码：1863 / 1873

页数：11

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