지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
오류제보하기
The boiler tubes of X20CrMoV12.1 used in fossil-fired power plants were obtained and analyzed for the effect of water treatment on the steam corrosion-induced oxide scale in an effort to better understand the oxide formation mechanism, as well as pertinent method of maintenance and lifetime extension. The specimens were analyzed using various microscopy and microanalysis techniques, with focuses on the effect of water treatment on the characters of scale. X-ray diffraction analysis showed that the scales of specimens were composed of hematite (Fe2O3), magnetite (Fe3O4), and chromite (FeCr2O4). Electron backscatter diffraction analysis showed that the oxides were present in the following order on the matrix: outer Fe2O3, intermediate Fe3O4, and inner FeCr2O4. After all volatile treatment or oxygenated treatment, a dense protective Fe2O3 layer was formed on the Fe3O4 layer of the specimen, retarding further progression of corrosion.
목차
등록된 정보가 없습니다.
참고문헌 (11)
참고문헌 신청
Burke D P / 2000 / Characterisation of multicomponent scales by electron back scattered diffraction (EBSD) / Scripta Mater 42 : 277 ~ 281
Chen Y / 2006 / Corrosion behavior of ferritic?martensitic steel T91 in supercritical water / Corros. Sci 48 : 2843 ~ 2854
Dooley R B / 2005 / EPRI Final Report: Cycle Chemistry Guidelines for Fossil Plants: Oxygenated Treatment
He Y S / 2011 / Microstructural evolution of X20CrMoV12.1 steel upon long-term on-site exposure in power plants / Adv. Sci. Lett 4 : 1416 ~ 1423
J. C. Chang / 2010 / Intergranular Cracking Susceptibility of 2.25Cr1.3W and 9Cr1MoVNb Weld Metals at Elevated Temperatures / Metals and Materials International 16 (6) : 981
Chen Y / 2006 / Corrosion behavior of ferritic?martensitic steel T91 in supercritical water / Corros. Sci 48 : 2843 ~ 2854
Dooley R B / 2005 / EPRI Final Report: Cycle Chemistry Guidelines for Fossil Plants: Oxygenated Treatment
He Y S / 2011 / Microstructural evolution of X20CrMoV12.1 steel upon long-term on-site exposure in power plants / Adv. Sci. Lett 4 : 1416 ~ 1423
J. C. Chang / 2010 / Intergranular Cracking Susceptibility of 2.25Cr1.3W and 9Cr1MoVNb Weld Metals at Elevated Temperatures / Metals and Materials International 16 (6) : 981
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