Author
Listed:
- EROL BAYSAN
(Afyon Kocatepe University, Faculty of Technology, Department of Metallurgical and Materials Engineering, Afyonkarahisar, Turkiye)
- YUSUF KAYALI
(Afyon Kocatepe University, Faculty of Technology, Department of Metallurgical and Materials Engineering, Afyonkarahisar, Turkiye)
Abstract
Due to their superior corrosion resistance at high temperatures, stainless steels have a wide range of applications in numerous industries (including chemistry, the petrochemical industry, the paper industry, and nuclear engineering), it is also utilized in the medical industry as an implant material. To enhance the outstanding qualities of stainless steel such as high temperature corrosion, surface coating methods are also used. Boronizing, nitriding, thermal spray coating, physical vapor deposition, chemical vapor deposition, and electro-spark deposition procedures are used to apply these coating processes to steel surfaces. The electro-spark deposition (ESD) coating technology is one of the most promising approaches in this area. Using high-frequency and high-current electric pulses, the ESD micro-welding procedure bonds electrode material to the surface of a metallic substrate.In this study, AISI 304 and AISI 316L stainless steels were coated with FeAl and NiAl intermetallics using the ESD method. First, suitable experimental parameters for ESD coating were established. Second, X-ray diffraction (XRD) and scanning electron microscopy (SEM) were used to characterize the microstructures and phases that formed on the coated surfaces. Then, the surface hardness of the resulting layers was determined. Finally, the corrosion properties of intermetallic-coated stainless steels were determined using electrochemical methods and compared with each other. As a result, both the hardness values and corrosion resistances of both stainless steel sheets have increased with intermetallic coatings.
Suggested Citation
Erol Baysan & Yusuf Kayali, 2024.
"INVESTIGATION OF CORROSION BEHAVIOR OF AISI 304 AND AISI 316L STAINLESS STEELS COATED WITH FeAL AND NiAL INTERMETALLICS USING ELECTRO-SPARK DEPOSITION METHOD,"
Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 31(04), pages 1-19, April.
Handle:
RePEc:wsi:srlxxx:v:31:y:2024:i:04:n:s0218625x24500264
DOI: 10.1142/S0218625X24500264
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