Corrosion Science and Technology

  • 제10권5호
  • /
  • Pages.167-174
  • /
  • 2011
  • /
  • 1598-6462(pISSN)
  • /
  • 2288-6524(eISSN)
한국부식방식학회 (The Corrosion Science Society of Korea)
권호 표지
DOI QR코드

DOI QR Code

침적식 화학적 제염 공정 시 원자로 냉각재 펌프용 스테인리스강의 안전성 평가

Evaluation on Safety of Stainless Steels in Chemical Decontamination Process with Immersion Type of Reactor Coolant Pump for Nuclear Reactor

  • Kim, Seong-Jong (Division of Marine Engineering, Mokpo Maritime University) ;
  • Han, Min-Su (Division of Marine Engineering, Mokpo Maritime University) ;
  • Kim, Ki-Joon (Faculty of Marine Engineering, Korea Maritime University) ;
  • Jang, Seok-Ki (Division of Marine Engineering, Mokpo Maritime University)
  • 투고 : 2011.08.18
  • 심사 : 2011.10.31
  • 발행 : 2011.10.01
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

Due to commercialization of nuclear power, most countries have taken interest in decontamination process of nuclear power plant and tried to develop a optimum process. Because open literature of the decontamination process are rare, it is hard to obtain skills on decontamination of foreign country and it is necessarily to develop proper chemical decontamination process system in Korea. In this study, applicable possibility in chemical decontamination for reactor coolant pump (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 with immersion type 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 431 was sporadically observed. The sizes of their pitting corrosion also increased with increasing cycle numbers.

키워드

참고문헌

  1. Korea power generation public affairs, The head office of atomic energy, The replacement of TVCS for reactor collent pump (1995).
  2. Jee Yong Park and Yong Soo Park, Corros. Sci. Tech., 5, 1 (2006).
  3. Jee Yong Park and Yong Soo Park, Corros. Sci. Tech., 6, 56 (2007).
  4. Chan-Jin Park, Hyuk-Sang Kwon, and Hee-San Kim, Corros. Sci. Tech., 2, 18 (2003).
  5. Kwangik Kim, Hyunyoung Chang, and Youngsik Kim, Corros. Sci. Tech., 2, 75 (2003).
  6. Hanjeon KPS, The center of maintenance technology for atomic energy, Development of apparatus and processing on reactor collent pump for nuclear reactor (1997).
  7. J. Horvath and H. H. Uhlig, J. Electrochem. Soc., 115, 791 (1968). https://doi.org/10.1149/1.2411433
  8. N. D. Tomashov, Corrosion, 20, 166 (1964). https://doi.org/10.5006/0010-9312-20.5.166t
  9. J. E. Truman, Corrosion, Metal/Environment Reactions, L. L. Shreir, ed., vol. I, 3:31 Newness-Butterworths, Boston (1976).
  10. J. J. Eckenrod and C. W. Kovach, in properties of austenitic stainless steels and their weld metals, ASTM STP 679, p. 17, ASTM Philadelphia (1979).
  11. R. J. Brigham, Mater. Perform., 13, 29 (1974).
  12. J. E. Truman, M. J. Coleman, and K. R. Pirt, Br. corrosion J., 12, 236 (1977). https://doi.org/10.1179/000705977798318973
  13. Stress corrosion cracking resistance stainless steel SCR-3, Report CE-06-703, Sumitomo metal industries Ltd., Amagasaki, Japan (1975).
  14. B. E. Wilde, Corrosion, 42, 147 (1986). https://doi.org/10.5006/1.3584894
  15. N. Bui, Corrosion, 39, 491 (1983). https://doi.org/10.5006/1.3577373
  16. H. Okamoto, Sumitomo search, Sumitomo metal industries Ltd., Amagasaki, Japan, 54, 21 (1993).
  17. A. John Sedriks, Corrosion of stainless steels, p. 246, Wiley Interscience (1996).
  18. M. Okabe and T. Iikubo, proceedings of international conference on stainless steels, ISIJ, Tokyo 602 (1991).
  19. T. Thorvaldsson and A. Salwen, Scripta Metall., 18, 739 (1984). https://doi.org/10.1016/0036-9748(84)90331-4
  20. J. J. Heger and J. L. Hamilton, Corrosion, 11, 22 (1955). https://doi.org/10.5006/0010-9312-11.1.22