Corrosion and algal behaviors of HVOF sprayed Fe-based amorphous coatings for marine applications

Tuesday, May 8, 2018: 8:40 AM
Sarasota 3 (Gaylord Palms Resort )
Ms. Haijun Zhang , Qinghai University, Xining, China
Mr. Yongfeng Gong , Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo City, China
Dr. Botao Zhang , Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo City, China
Dr. Xiuyong Chen , Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo City, China
Mr. Lijia Fang , Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo City, China
Prof. Peipeng Jin , Qinghai University, Xining, China
Prof. Hua Li , Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo City, China
Fe-based amorphous alloys have attracted intensive attention for potential marine applications, due to their excellent anti-corrosion/wear performances, high strength and processing capabilities. However, knowledge about anti-corrosion properties of the coatings in marine environment is insufficient. To date, however, there are few studies available on fouling adhesion of Fe-based amorphous alloys. In this work, Fe-based coatings with amorphous/nanocrystalline hybrid structures were deposited onto 316L substrate by HVOF processing. Complete crystallization of the coatings was accomplished by additional annealing treatment. Effect of the annealing on microstructure, corrosion resistance and algal behaviors of the coatings was assessed and elucidated. The results give clear insight into fabrication of Fe-based amorphous coatings for potential marine applications.
See more of: Offshore/Marine Applications
See more of: Thermal Spray Applications