High-Velocity Oxy-Fuel (HVOF) Spray Coating of Inconel, Colmonoy, and Aluminum on AISI 316L Stainless Steel: A Comparative Investigation of the Microstructure and Corrosion Resistance of Coatings
Source abstract
Abstract
This study examines the effect of high-velocity oxy-fuel (HVOF) coatings of Inconel, aluminum, and Colmonoy on the corrosion resistance of stainless steel substrates. The coated samples were characterized using SEM, XRD, and EDS techniques. Impedance and Tafel tests were used to investigate the coatings corrosion responses at 40, 50, and 60 °C. Inconel-coated specimens showed superior corrosion behavior thanks to the Cr2O3 layers formed between the lamella structures of the coating, preventing chloride ions from diffusing across the coating. Although the Nyquist curve indicated oxide layer formation for the Al-coated sample, the Tafel test results showed severe corrosion.
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Research context
OpenAlex topics: High-Temperature Coating Behaviors · Corrosion Behavior and Inhibition · Metal and Thin Film Mechanics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Materials Engineering, Isfahan University of Technology, Isfahan 8415683111, Iran
Department of Materials Engineering, Science and Research Branch, Islamic Azad University, Tehran 1477893855, Iran
School of Materials Science and Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Gyeongsangbuk-do, Republic of Korea
Institute of Materials Technology, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Gyeongsangbuk-do, Republic of Korea
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