Purpose This study aims to investigate the influences of Al 2 O 3 mass fraction on the corrosive wear and electrochemical behaviors of FeAl–xAl 2 O 3 coatings. Design/methodology/approach FeAl–xAl 2 O 3 coatings were prepared on S355 steel by laser cladding to improve its corrosive wear and electrochemical properties. Findings The average coefficients of friction and wear rates of FeAl–xAl 2 O 3 coatings are decreased with the Al 2 O 3 mass fraction, and the Al 2 O 3 plays a positive role in the corrosion wear resistance. Moreover, the charge transfer resistance of FeAl–xAl 2 O 3 coatings is increased with the Al 2 O 3 mass fraction, showing the FeAl–15%Al 2 O 3 coating has the best corrosion resistance. The findings show the corrosion resistance of FeAl–15%Al 2 O 3 coating is the highest among the three kinds of coatings. Originality/value Al 2 O 3 was first added into FeAl coatings to further improve its corrosive wear and electrochemical properties by laser cladding.
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Haoming et al. (2024) studied this question.
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