This experimental study shows nano-oil reduces drag by 30% and biofouling by 99.7% in marine applications, suggesting improved anti-corrosion properties.
The development of ideal marine engineering materials is confronted with problems associated with corrosion and sailing resistance. In the current study, we prepared a Fe3O4 nanoparticle-based nano-oil and employed it to form a slippery liquid-infused porous surface (SLIPS) on 2024 aluminum alloy. As synthesized the SLIPS reduce drag in a sailing experiment by 30% and biofouling by 99.7%, and exhibits a more than 2 orders of magnitude greater anti-corrosion performance. Owing to its integrated functions for drag reduction, anti-biofouling and anti-corrosion, the newly uncovered Fe3O4 nanoparticle-based nano-oil has great potential for applications in marine material engineering.
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Yang et al. (2025) studied this question.
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