Corrosion Science and Technology

  • 제15권3호
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  • Pages.125-128
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  • 2016
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  • 1598-6462(pISSN)
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  • 2288-6524(eISSN)
한국부식방식학회 (The Corrosion Science Society of Korea)
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High-Temperature Corrosion of T92 Steel in N2/H2O/H2S-Mixed Gas

  • Shi, Yuke (School of Advanced Materials Science & Engineering, Sungkyunkwan University) ;
  • Kim, Min Jung (School of Advanced Materials Science & Engineering, Sungkyunkwan University) ;
  • Park, Soon Yong (School of Advanced Materials Science & Engineering, Sungkyunkwan University) ;
  • Abro, M. Ali (School of Advanced Materials Science & Engineering, Sungkyunkwan University) ;
  • Yadav, Poonam (School of Advanced Materials Science & Engineering, Sungkyunkwan University) ;
  • Lee, Dong Bok (School of Advanced Materials Science & Engineering, Sungkyunkwan University)
  • 투고 : 2016.05.31
  • 심사 : 2016.06.23
  • 발행 : 2016.06.30
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초록

The ASTM T92 steel was corroded at $600^{\circ}C$ and $800^{\circ}C$ at 1 atm of $N_2/3.1%H_2O/2.42%H_2S-mixed$ gas. The formed scales were thick and fragile. They consisted primarily of the outer FeS scale and the inner (FeS, $FeCr_2S_4$)-mixed scale containing a small amount of the $Cr_2O_3$ scale. This indicated that corrosion occurred mainly via sulfidation rather than oxidation due to the $H_2S$ gas. Since FeS was present throughout the whole scale, T92 steel was non-protective, displaying high corrosion rates.

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참고문헌

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피인용 문헌

  1. Formation of Sulfide Deposits and High-Temperature Corrosion Behavior at Fireside in a Coal-Fired Boiler vol.34, pp.11, 2020, https://doi.org/10.1021/acs.energyfuels.0c02634