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Related Experiment Video

Updated: May 27, 2025

Fabrication of Superhydrophobic Metal Surfaces for Anti-Icing Applications

Fabrication of Superhydrophobic Metal Surfaces for Anti-Icing Applications

Published on: August 15, 2018

A skin-inspired durable de-icing surface with boosting interfacial cracks.

Qiucheng Yang¹, Jinlong Yang¹, Yuhao Hu¹

¹Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611731, China.

National Science Review

|February 17, 2025

Summary

Inspired by human skin, new tough-skin de-icing surfaces (TSDSs) use surface wrinkles to initiate cracks and shed ice efficiently. These durable, weather-resistant surfaces offer a universal mechanism for ice removal using only gravity.

Keywords:

de-icing ice adhesion interfacial phenomena wettability

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Last Updated: May 27, 2025

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Published on: August 15, 2018

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Published on: February 11, 2020

Area of Science:

Materials Science
Surface Engineering
Tribology

Background:

Fracture-based ice removal is effective for de-icing applications.
Human skin's response to stress inspires novel surface designs.
Understanding stress-induced deformation is key to advanced material design.

Purpose of the Study:

To design tough-skin de-icing surfaces (TSDSs) for active ice removal.
To leverage surface instability for crack initiation and ice shedding.
To develop durable and weather-resistant de-icing materials.

Main Methods:

Utilizing thin film surface instability to create multi-scale wrinkles (macro and micro) at the ice-substrate interface.
Designing TSDS with low interfacial toughness (τ < 10 kPa).
Testing ice-shedding efficiency under gravitational force.

Main Results:

Achieved efficient ice shedding through crack initiation at wrinkle sites.
Demonstrated large-area ice self-shedding solely by gravity.
Verified the universality of the de-icing mechanism across various materials.

Conclusions:

TSDSs offer a novel, durable, and effective approach to de-icing.
The multi-scale wrinkling strategy enhances stress concentration for efficient ice fracture.
This design provides valuable insights for creating advanced ice-shedding materials.