What question did this study set out to answer?

The aim is to investigate the effectiveness of a biomimetic fish scale coating in reducing ship drag.

May 15, 2026Langmuir0 citations

“Elastic Matrix–Surface Microstructure–Mucus Lubrication” Multiscale Biomimetic Fish Scale Coating: Design and Application in Ship Drag Reduction

YCYushuai ChengZhejiang University ZWZi WangHarbin University of Science and Technology

Key Points

The aim is to investigate the effectiveness of a biomimetic fish scale coating in reducing ship drag.
Developed a coating using nanoparticles arranged in a coffee-ring structure resembling fish scales.
Integrated polyurethane microcapsules with silicone oil to mimic fish mucus for lubrication.
Tested the coating on a small boat model to evaluate drag reduction rates.
Achieved a drag reduction rate of 17.4% for the small boat model.
Demonstrated effective lubrication via the embedded silicone oil, enhancing the coating's performance.

Abstract

nanoparticles formed a coffee-ring structure resembling fish-scale micronano structures. The coating was embedded with polyurethane microcapsules filled with silicone oil and impregnated with silicone oil to simulate the mucus of fish. MCPU achieved ship drag reduction through the joint action of multiple drag reduction mechanisms and demonstrated a drag reduction rate of 17.4% for a small boat model.

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