한국표면공학회지 (Journal of the Korean institute of surface engineering)

  • 제55권6호
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  • Pages.448-459
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  • 2022
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  • 1225-8024(pISSN)
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  • 2288-8403(eISSN)
한국표면공학회 (The Korean Institute of Surface Engineering)
권호 표지
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용융Al-Si도금 강재에 형성한 Cr 막의 고온 환경 중 내식특성

Corrosion resistance at high temperature condition of Cr Films Formed on hot-dip Al-Si plated steel sheet

  • 강민주 (한국해양대학교 기관공학과) ;
  • 이승효 (한국해양대학교 해양신소재융합공학과) ;
  • 이명훈 (한국해양대학교 기관공학과)
  • Gang, Min-Ju (Division of Marine Engineering, Korea Maritime and Ocean University) ;
  • Lee, Seung-Hyo (Department of Ocean Advanced Materials Convergence Engineering, Korea Maritime and Ocean University) ;
  • Lee, Myeong-Hoon (Division of Marine Engineering, Korea Maritime and Ocean University)
  • 투고 : 2022.12.22
  • 심사 : 2022.12.27
  • 발행 : 2022.12.31
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초록

Generally, steel is the most commonly used in the industry because of good strength, processability and cost-effectiveness. Steel can be surface-treated such as coating or used as an alloy by adding elements such as Cr, Ni, Zr, and Al to increase corrosion resistance. However, even if steel is used in same environment corrosion resistance is sharply lowered when it is exposed to a high temperature for a fixed or extended period of time due to an overload or other factors. In particular, the use of hot-dip aluminized plated steel, which is used in high-temperature atmospheres, is increasing due to the surface Al2O3 oxide film. This steel necessitates an urgent solution as issues of corrosion resistance limitations often appear. It is an important issue that not only cause analysis but also the research for the surface treatment method that can be solved. Thus, in this study, Cr in which it is expected to be effective in corrosion resistance and heat resistance attempted to deposit on hot dip aluminized plated steel with PVD sputtering. And it was possible to present the surface treatment application of various types of industrial equipment exposed to high temperature and basic design guidelines for use by confirming the corrosion resistance of hot dip Al-Si plated steel with Cr film deposited at high temperature.

키워드

과제정보

이 논문은 2022년도 산업통상자원부의 재원으로 한국산업기술평가관리원의 지원을 받아 수행된 연구임(No. 20012941, 고성능 알루미늄 도금 신물질 및 소재개발)

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