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Robust and durable surperhydrophobic F-DLC coating for anti-icing in aircrafts engineering

  • Liangliang Liu
  • , Wei Tang
  • , Qingdong Ruan
  • , Zhongcan Wu
  • , Chao Yang
  • , Suihan Cui
  • , Zhengyong Ma
  • , Ricky K.Y. Fu
  • , Xiubo Tian
  • , Ruijun Wang
  • , Zhongzhen Wu*
  • , Paul K. Chu*
  • *Corresponding author for this work
  • City University of Hong Kong
  • Peking University
  • Chinese Academy of Agricultural Machanization Science

Research output: Contribution to journalArticlepeer-review

Abstract

The nose cones of plane engines adjust the airflow direction and guarantee steady operation but they are vulnerable to icing at high altitude leading to potential hazards and accidents. Superhydrophobicity is effective against icing but most organic superhydrophobic materials are not suitable for engineering applications. Herein, a mechanically robust superhydrophobic coating is prepared on stainless steel by incorporating laser-textured micro/nano structures into the plasma-coated multilayered structure of Cr/CrC/DLC/F-DLC. The multilayered coating shows a stable surface contact angle of >150° in addition of robust mechanical properties even in harsh environments such as prolonged ultraviolet light irradiation, wear, and corrosion. Tests conducted under simulated working conditions reveal significantly reduced ice accumulation on the coating because of easy roll-off of droplets consequently giving rise to excellent anti-icing properties.

Original languageEnglish
Article number126468
JournalSurface and Coatings Technology
Volume404
DOIs
StatePublished - 25 Dec 2020
Externally publishedYes

Keywords

  • Anti-icing
  • Engineering applications
  • F-DLC
  • Mechanical properties
  • Superhydrophobicity

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