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Related Experiment Video

Updated: Jan 4, 2026

Fabrication of Superhydrophobic Metal Surfaces for Anti-Icing Applications
11:20

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Highly Floatable Superhydrophobic Metallic Assembly for Aquatic Applications.

Zhibing Zhan1, Mohamed ElKabbash1, JinLuo Cheng2

  • 1The Institute of Optics , University of Rochester , Rochester , New York 14627 , United States.

ACS Applied Materials & Interfaces
|November 7, 2019
PubMed
Summary

This study presents a durable superhydrophobic metallic assembly inspired by nature. This innovative design maintains exceptional floating ability even after submersion or damage, overcoming key limitations of existing technologies.

Keywords:
aquatic applicationfemtosecond laser ablationhighly floatable assemblysuperhydrophobic surfacetrapped air

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Last Updated: Jan 4, 2026

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Area of Science:

  • Materials Science
  • Surface Engineering
  • Biomimetics

Background:

  • Superhydrophobic (SH) surfaces offer potential for buoyancy and drag reduction.
  • Practical applications are limited by loss of efficiency when submerged or mechanically damaged.

Purpose of the Study:

  • To develop a highly floatable and damage-resilient SH metallic assembly.
  • To overcome the limitations of conventional SH surfaces regarding submersion and abrasion.

Main Methods:

  • Design and fabrication of a multifaced SH metallic assembly inspired by diving bell spiders and fire ants.
  • Theoretical and experimental optimization of the assembly's floating properties.
  • Testing resilience to prolonged submersion and mechanical damage (piercing).

Main Results:

  • The assembly demonstrates unprecedented floating ability, self-righting after months of submersion.
  • Maintained floating capability despite severe damage and piercing.
  • Exhibits superior durability compared to conventional aquatic devices.

Conclusions:

  • The novel SH metallic assembly offers a robust solution for water-repellent applications.
  • Potential applications include advanced floating devices, protected electronics, and resilient marine vessels.