Microstructure/Mechanical Characterization of Plasma Nitrided Fine-Grain Austenitic Stainless Steels in Low Temperature
Abstract
:1. Introduction
2. Experimental Procedure
2.1. Hollow Cathode Device Design in the RF/DC Plasma Nitriding System
2.2. Work Materials
2.3. Analysis and Measurement
3. Experimental Results
3.1. Grain Size Effect on the Nitrogen Supersaturation
3.2. Microstructure of NGSS304 and FGSS304 Plates after Plasma Nitriding at 623 K for 14.4 ks
3.3. Nitrogen Supersaturation into Fine-Grained AISI316 Wire
3.4. Mechanical Performance of Nitrided AISI316 Wire in Tension
4. Discussion
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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SS | C | Ni | Cr | Mn | Mo | Si | P | S |
---|---|---|---|---|---|---|---|---|
NGSS304 FGSS304 | 0.07 | 8.54 | 18.45 | 2.00 | ---- | 1.00 | 0.044 | 0.02 |
FGSS316 | 0.08 | 12.0 | 17.0 | 2.00 | 2.5 | 1.00 | <0.045 | <0.030 |
Balance in iron (Fe) | (mass%) |
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Farghali, A.; Aizawa, T.; Yoshino, T. Microstructure/Mechanical Characterization of Plasma Nitrided Fine-Grain Austenitic Stainless Steels in Low Temperature. Nitrogen 2021, 2, 244-258. https://0-doi-org.brum.beds.ac.uk/10.3390/nitrogen2020016
Farghali A, Aizawa T, Yoshino T. Microstructure/Mechanical Characterization of Plasma Nitrided Fine-Grain Austenitic Stainless Steels in Low Temperature. Nitrogen. 2021; 2(2):244-258. https://0-doi-org.brum.beds.ac.uk/10.3390/nitrogen2020016
Chicago/Turabian StyleFarghali, Abdelrahman, Tatsuhiko Aizawa, and Tomoaki Yoshino. 2021. "Microstructure/Mechanical Characterization of Plasma Nitrided Fine-Grain Austenitic Stainless Steels in Low Temperature" Nitrogen 2, no. 2: 244-258. https://0-doi-org.brum.beds.ac.uk/10.3390/nitrogen2020016