| Issue |
E3S Web Conf.
Volume 391, 2023
4th International Conference on Design and Manufacturing Aspects for Sustainable Energy (ICMED-ICMPC 2023)
|
|
|---|---|---|
| Article Number | 01109 | |
| Number of page(s) | 7 | |
| DOI | https://doi.org/10.1051/e3sconf/202339101109 | |
| Published online | 05 June 2023 | |
Effects of Salt Bath Nitriding Process on AISI 309 Stainless Steel
1 Mechanical Engineering, Hyderabad Institute of Technology and Management, Hyderabad
2 Physics Department, K. Z. S. Science College, Kalmeshwar, Nagpur, Maharashtra
3 Mechanical Engineering, PSNA College of Engineering and Technology, Dindigul, Tamilnadu
4 Humanities & Sciences, CVR College of Engineering, Hyderabad, Telangana
5 Mechanical Engineering, Gokaraju Rangaraju Institute of Engineering and Technology, Hyderabad, Telangana
6 Electrical and Electronics Engineering, Gokaraju Rangaraju Institute of Engineering and Technology, Hyderabad, Telangana
* Corresponding author: ram4msrm@gmail.com
AISI309 stainless steel is a type of austenitic stainless steel that contains a high percentage of chromium and nickel, along with a small amount of manganese. It is designed to be used in high-temperature applications, such as in furnace parts and heat exchangers. Low temperature salt bath nitriding process was carried out on AISI 309 stainless steel at 550°C for time duration of 80, 160 and 240 minutes. The characteristics of the nitride surface were thoroughly assessed. The microstructure and phase components of the nitrided surface revealed a hardened layer of chromium nitride and iron nitride on the specimen surface. The case depth and the surface hardness were strongly influenced by the alloying components. To analyze the wear, a pin on disc machine was utilized and the wear test was carried out. From the wear test, wear loss were determined. Scanning electron microscopy revealed the variation between loss of material and the base material. A specimen which is untreated is kept aside and comparisons of results were done with nitrided samples.
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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