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Corrosion and Algal Adhesion Behaviors of HVOF-Sprayed Fe-Based Amorphous Coatings for Marine Applications.
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- المؤلفون: Zhang, Haijun1,2; Gong, Yongfeng2; Zhang, Botao3; Chen, Xiuyong2 ; Fang, Lijia1,2; Jin, Peipeng1 ; Li, Hua2
- المصدر:
Journal of Thermal Spray Technology. Jan2019, Vol. 28 Issue 1/2, p283-290. 8p.
- الموضوع:
- معلومة اضافية
- نبذة مختصرة :
In this study, Fe-based amorphous/nanocrystalline coatings consisting of Fe53Cr19Zr7Mo2C18Si were fabricated by high-velocity oxy-fuel spray. For comparative study, further crystallization annealing treatment at 750 °C was carried out for the coatings. The microstructure, corrosion resistance and algal adhesion behaviors of the as-sprayed and annealed coatings were systematically investigated by scanning electron microscopy, x-ray diffraction, transmission electron microscopy, electrochemical testing and laser confocal scanning microscopy, respectively. Results show that the as-sprayed coatings exhibited excellent corrosion resistance and decreased algal adhesion, while the annealed coatings displayed compromised anti-corrosion performances, but significantly inhibited the adhesion of typical algae Phaeodactylum tricornutum. [ABSTRACT FROM AUTHOR]
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