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EFFECT OF Ni2+ IN OCCLUDED VOLUME ON THE OXIDATION BEHAVIOR OF 304 STAINLESS STEEL IN HIGH TEMPERATURE WATER
Kuang Wenjun1,2; Wu Xinqiang1,2; Han En-Hou1,2
Corresponding AuthorWu Xinqiang(xqwu@imr.ac.cn)
2011-07-11
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume47Issue:7Pages:927-931
AbstractIn the occluded volume of high temperature pressurized water loop in nuclear power plants, poor-controlled water chemistry due to sluggish flowage could induce accelerated degradation of structural materials. In this paper, an occluded volume shaped nuclear-grade 304 stainless steel sample was immersed in oxygenated high temperature water containing a certain concentration of Ni2+. It was found that from the outer to the inner side of the sample, the proportion of spinel in the oxide film decreased while that of hematite increased and Ni content in the outer oxide film decreased. It was thought that the concentration of Ni2+ could influence the oxidation behavior of material significantly. The occluded volume could impede the inward diffusion of Ni2+, causing a concentration gradient of Ni2+ along depth of the volume and gradual change of oxide film characteristic.
Keywordnuclear-grade stainless steel high temperature high pressure water occluded volume Ni2+ oxide film
DOI10.3724/SP.11037.2011.00161
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000294980700027
PublisherSCIENCE PRESS
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/105594
Collection中国科学院金属研究所
Corresponding AuthorWu Xinqiang
Affiliation1.Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Liaoning Key Lab Safety & Assessment Tech Nucl Ma, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Kuang Wenjun,Wu Xinqiang,Han En-Hou. EFFECT OF Ni2+ IN OCCLUDED VOLUME ON THE OXIDATION BEHAVIOR OF 304 STAINLESS STEEL IN HIGH TEMPERATURE WATER[J]. ACTA METALLURGICA SINICA,2011,47(7):927-931.
APA Kuang Wenjun,Wu Xinqiang,&Han En-Hou.(2011).EFFECT OF Ni2+ IN OCCLUDED VOLUME ON THE OXIDATION BEHAVIOR OF 304 STAINLESS STEEL IN HIGH TEMPERATURE WATER.ACTA METALLURGICA SINICA,47(7),927-931.
MLA Kuang Wenjun,et al."EFFECT OF Ni2+ IN OCCLUDED VOLUME ON THE OXIDATION BEHAVIOR OF 304 STAINLESS STEEL IN HIGH TEMPERATURE WATER".ACTA METALLURGICA SINICA 47.7(2011):927-931.
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