Effects of Nitrogen on Microstructure, Mechanical Properties and Corrosion Behavior in Nickel-Free Austenitic Stainless Steels

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SALEHI S.M.; KHEIRANDISH SH.; ABBASI S.M.

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Journal: Journal of Metallurgical and Materials Engineering Year:2018 | Volume:29 | Issue:2 Page(s): 55-64

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Title

Effects of Nitrogen on Microstructure, Mechanical Properties and Corrosion Behavior in Nickel-Free Austenitic Stainless Steels

Author(s)

SALEHI S.M. | KHEIRANDISH SH. | ABBASI S.M. | Issue Writer Certificate

Keywords

Austenitic Stainless SteelsQ2

NitrogenQ1

Mechanical propertiesQ2

CorrosionQ2

Abstract

Different amounts of Nitrogen were added to nickel-free high manganese Austenitic Stainless Steels with addition of a nitrided ferroalloy. The microstructure was evaluated by optical microscopy and the Mechanical properties were determined by macro-hardness and tensile tests. The Corrosion behavior was evaluated by electrochemical impedance spectroscopy and polarization. The results showed that the microstructure of high Nitrogen and low Nitrogen steels were austenite and ferrite and austenite, respectively. The hardness, yield strength and ultimate tensile strength of the steels increased with increasing Nitrogen content. In addition, Corrosion current densities decreased and Corrosion potentials shifted to more positive values with increasing Nitrogen content.

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APA: Copy

SALEHI, S.M., KHEIRANDISH, SH., & ABBASI, S.M.. (2018). Effects of Nitrogen on Microstructure, Mechanical Properties and Corrosion Behavior in Nickel-Free Austenitic Stainless Steels. JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), 29(2 ), 55-64. SID. https://sid.ir/paper/196078/en

Vancouver: Copy

SALEHI S.M., KHEIRANDISH SH., ABBASI S.M.. Effects of Nitrogen on Microstructure, Mechanical Properties and Corrosion Behavior in Nickel-Free Austenitic Stainless Steels. JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING)[Internet]. 2018;29(2 ):55-64. Available from: https://sid.ir/paper/196078/en

IEEE: Copy

S.M. SALEHI, SH. KHEIRANDISH, and S.M. ABBASI, “Effects of Nitrogen on Microstructure, Mechanical Properties and Corrosion Behavior in Nickel-Free Austenitic Stainless Steels,” JOURNAL OF METALLURGICAL AND MATERIALS ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), vol. 29, no. 2 , pp. 55–64, 2018, [Online]. Available: https://sid.ir/paper/196078/en

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