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INFLUENCES OF TiN INCLUSION ON CORROSION AND STRESS CORROSION BEHAVIORS OF ALLOY 690 TUBE IN HIGH TEMPERATURE AND HIGH PRESSURE WATER
Li Xiaohui; Huang Fa; Wang Jianqiu; Han En-Hou; Ke Wei
Corresponding AuthorWang Jianqiu(wangjianqiu@imr.ac.cn)
2011-07-11
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume47Issue:7Pages:847-852
AbstractTEM and SEM were used for studying the existing forms and distribution states of TiN inclusions in alloy 690. The corrosion and stress corrosion behaviors of alloy 690 were investigated through high temperature high pressure electrochemical measurement and immersion tests. TiN particles are the main inclusion in alloy 690 and randomly distribute in austenitic matrix. Corrosion experiments showed that pitting corrosion occurs preferentially at the inclusions containing Ti with high potential in simulated primary water of pressurized water reactor (PWR). In high temperature high pressure alkali solution containing lead, the region near TiN inclusion and close to the side of matrix is the preferred position for corrosion, and TiN inclusions at grain boundary can subsequently cause local stress concentration on grain boundary, both of which lead to intergranular stress corrosion cracking in alloy 690.
Keywordalloy 690 TiN inclusion high temperature and high pressure stress corrosion
Funding OrganizationNational Basic Research Program of China ; National Science and Technology Major Project
DOI10.3724/SP.J.1037.2011.00205
Indexed BySCI
Language英语
Funding ProjectNational Basic Research Program of China[2011CB610502] ; National Science and Technology Major Project[2011ZX06004-09]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000294980700013
PublisherSCIENCE PRESS
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/105559
Collection中国科学院金属研究所
Corresponding AuthorWang Jianqiu
AffiliationChinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Li Xiaohui,Huang Fa,Wang Jianqiu,et al. INFLUENCES OF TiN INCLUSION ON CORROSION AND STRESS CORROSION BEHAVIORS OF ALLOY 690 TUBE IN HIGH TEMPERATURE AND HIGH PRESSURE WATER[J]. ACTA METALLURGICA SINICA,2011,47(7):847-852.
APA Li Xiaohui,Huang Fa,Wang Jianqiu,Han En-Hou,&Ke Wei.(2011).INFLUENCES OF TiN INCLUSION ON CORROSION AND STRESS CORROSION BEHAVIORS OF ALLOY 690 TUBE IN HIGH TEMPERATURE AND HIGH PRESSURE WATER.ACTA METALLURGICA SINICA,47(7),847-852.
MLA Li Xiaohui,et al."INFLUENCES OF TiN INCLUSION ON CORROSION AND STRESS CORROSION BEHAVIORS OF ALLOY 690 TUBE IN HIGH TEMPERATURE AND HIGH PRESSURE WATER".ACTA METALLURGICA SINICA 47.7(2011):847-852.
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