Journal of the Korean institute of surface engineering (한국표면공학회지)

The Korean Institute of Surface Engineering (한국표면공학회)
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Fabrication of functional aluminum surface through anodization mode transition

양극산화 모드 전환을 통한 기능성 알루미늄 표면 연구

  • Park, Youngju (Department of Advanced Materials Engineering, Dong-eui University) ;
  • Jeong, Chanyoung (Department of Advanced Materials Engineering, Dong-eui University)
  • Received : 2022.12.14
  • Accepted : 2022.12.20
  • Published : 2022.12.31
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Abstract

This research develops an easy-to-use, environmentally friendly method for fabricating functional 1050 aluminum alloy surfaces with excellent corrosion resistance. Functional aluminum surfaces with various nanostructures are fabricated by controlling the experimental conditions of anodizing process. The experiment used a multi-step anodizing process that alternates between two different anodizing modes, mild anodizing (MA) and hard anodizing (HA), together with a pore-widening (PW) process. Among them, the nanostructured surface with a small solid fraction shows superhydrophobicity with a contact angle of more than 170° after water-repellent coating. In addition, the surface with superhydrophobicity is difficult for corrosive substances to penetrate, so the corrosion resistance is greatly improved.

Keywords

Acknowledgement

본 과제(결과물)는 교육부와 한국연구재단의 재원으로 지원을 받아 수행된 3단계 산학연협력 선도대학 육성사업(LINC 3.0)의 연구결과입니다(202202110001).

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