한국표면공학회지 (Journal of the Korean institute of surface engineering)

  • 제45권2호
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  • Pages.61-69
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  • 2012
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  • 1225-8024(pISSN)
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  • 2288-8403(eISSN)
한국표면공학회 (The Korean Institute of Surface Engineering)
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Fe합금의 내 산화성과 황화성에 미치는 Al과 Cr 함량의 영향

Effect of Al and Cr contents on the High Temperature Oxidation- and Sulfidation-resistance of Fe Alloys

  • 김슬기 (성균관대학교 신소재공학과) ;
  • 이동복 (성균관대학교 신소재공학과)
  • Kim, Seul-Ki (School of Advanced Materials Science & Engineering, Sungkyunkwan University) ;
  • Lee, Dong-Bok (School of Advanced Materials Science & Engineering, Sungkyunkwan University)
  • 투고 : 2012.02.13
  • 심사 : 2012.04.30
  • 발행 : 2012.04.30
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초록

Alloys of Fe-(5, 10, 15)Al and Fe-(10, 20, 30, 40)Cr were corroded at 700 and $800^{\circ}C$ for 70 hr in either atmospheric air or 1 atm of Ar+$1%SO_2$ gases. In these atmospheres, Fe-5Al and Fe-10Cr alloys displayed poor corrosion resistance. In atmospheric air, Fe-5Al alloys formed oxide nodules, while Fe-10Cr alloys formed thick scales and internal oxides. In Ar+$1%SO_2$ gases, Fe-5Al and Fe-10Cr alloys formed thick, nonadherent bi-layered scales, which grew primarily by the outward diffusion of Fe ions and inward diffusion of oxygen and sulfur ions. By contrast, in atmospheric air and Ar+$1%SO_2$ gases, Fe-(10, 15)Al and Fe-(20, 30, 40)Cr alloys displayed good corrosion resistance by forming $Al_2O_3$ and $Cr_2O_3$ layers on the surface, respectively.

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참고문헌

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피인용 문헌

  1. Microstructure and High Temperature Oxidation Property of Fe–Cr–B Based Metal/Ceramic Composite Manufactured by Powder Injection Molding Process vol.24, pp.2, 2018, https://doi.org/10.1007/s12540-018-0053-3