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Effects of Bacillus sp. adhesion on cavitation erosion behaviour of nickel aluminium bronze in artificial seawater

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  • NSTL
  • Elsevier
This study evaluated the cavitation erosion behaviour of a commonly used material in the marine environment, nickel aluminium bronze (NAB), after exposure to the adhesion of Bacillus sp. biofilm in artificial seawater. Results showed that the biofilm could inhibit the corrosion progress, keeping κ phases intact and subsequently allowing the NAB to retain its cavitation erosion resistance. Detailed discussion about the effect of the biofilm on cavitation erosion behaviour of NAB was presented. Furthermore, the importance of the κ phases for resisting cavitation erosion was evidenced by in-situ SEM, and a correlation of the decrease in hardness and the increase in mass loss during cavitation erosion was built.

Cavitation erosionBioadhesionMicrobiological corrosionNickel aluminium bronzeFailure mechanism

Ye Tian、Hang Zhao、Rui Yang、Xiaomei Liu、Hua Li、Xiuyong Chen

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Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences

2022

10.1016/j.wear.2022.204344

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EISCI
ISSN：0043-1648
年,卷(期)：2022.498/499
  • 6
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