한국표면공학회지 (Journal of the Korean institute of surface engineering)

  • 제40권5호
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  • Pages.234-240
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  • 2007
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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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원자로 냉각재 펌프용 스테인리스강에 대한 화학적 제염 공정 개발

Development of Chemical Decontamination Process of Stainless Steel for Reactor Coolant Pump

  • Kim, Seong-Jong (Faculty of Marine Engineering, Mokpo Maritime University) ;
  • Han, Min-Su (Faculty of Marine Engineering, Mokpo Maritime University) ;
  • Kim, Jeong-Il (Faculty of Marine Engineering, Mokpo Maritime University) ;
  • Kim, Ki-Joon (Faculty of Marine Engineering, Korea Maritime University)
  • 발행 : 2007.10.31
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초록

As a reactor coolant pump (RCP) is operated in the nuclear power system for a long time, so its surface is continuously contaminated by radioactive scales. In order to maintain for RCP internals, a special chemical decontamination process should be used to reduce the radiation from the RCP surface. In this study, applicable possibility in chemical decontamination for RCP was investigated for the various stainless steels. The stainless steel (STS) 304 showed the best electrochemical properties for corrosion resistance and the lowest weight loss ratio in chemical decontamination process model 3-1 than other materials. However, the pitting corrosion was generated in both STS 415 and STS 431 with the increasing numbers of cycle. The intergranular corrosion in STS 415 was sporadically observed. The sizes of their pitting corrosion were also increased with increasing cycle numbers.

키워드

참고문헌

  1. EPRI, 'Source book for Chemical Decontamination of Nuclear Power Plants', Special Report, Project (1989), 2296-15
  2. EPRI, A Review of Plant Decontamination Methods, Project, Final Report, (1989) 2296-15
  3. 김성종, 김정일, 김기준, 한국마린엔지니어링학회, 31(1) (2007) 84-94 https://doi.org/10.5916/jkosme.2007.31.1.84
  4. 김성종, 장석기, 김기준, 해양환경안전학회, 12(4) (2006) 253-259
  5. J. Horvath, H. H. Uhlig, Journal of the Electrochemical Society, 115 (1968) 791 https://doi.org/10.1149/1.2411433
  6. N. D. Tomashov et al., Corrosion, 20 (1964) 166 https://doi.org/10.5006/0010-9312-20.5.166t
  7. J. E. Truman, 'Corrosion, Metal/Environment Reactions', L. L. Shreir, ed., Vol. I, Newness-Butterworths, Boston, (1976) 3:31
  8. J. J. Eckenrod, C. W. Kovach, 'In Properties of Austenitic Stainless Steels and Their Weld Metals', ASTM STP 679, American Society for Testing and Materials, Philadelphia, (1979) 17
  9. J. E. Truman, M. J. Coleman, K. R. Pirt, British Corrosion Journal, 12 (1977) 236 https://doi.org/10.1179/000705977798318973
  10. A. John Sedriks, 'Corrosion of Stainless Steels', Wiley Interscience, (1996) 246

피인용 문헌

  1. Effects of applied potential on SCC and HE for STS 316L in seawater vol.T139, 2010, https://doi.org/10.1088/0031-8949/2010/T139/014037
  2. The Investigation on Optimum Corrosion Protection Potential of STS 316L in Seawater vol.297-301, pp.1662-9507, 2010, https://doi.org/10.4028/www.scientific.net/DDF.297-301.596