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Evaluation of aged duplex stainless steel UNS S32750 susceptibility to intergranular corrosion by optimized double loop electrochemical potentiokinetic reactivation method
J. F. Hong; D. Han; H. Tan; J. Li; Y. M. Jiang
2013
Source PublicationCorrosion Science
ISSN0010-938X
Volume68Pages:249-255
AbstractOptimized double loop electrochemical potentiokinetic reactivation (DL-EPR) in combination with microstructure observation were successfully applied to study the sensitization of super duplex stainless steel UNS S32750 aged at 900 degrees C for different duration to intergranular corrosion (IGC). The results indicated that the degree of sensitization increased gradually with the aging time increased from 10 min to 4 h due to the sigma phase precipitation, and I-r:I-a value reached the maximum value of 17.1%. However, further increasing aging time slightly decreased the sensitization due to the healing effect incurred by the diffusion of chromium from adjacent grains to chromium-depleted zone. (C) 2012 Elsevier Ltd. All rights reserved.
description.department[hong, jufeng ; han, dong ; tan, hua ; li, jin ; jiang, yiming] fudan univ, dept mat sci, shanghai 200433, peoples r china. [tan, hua] state nucl power plant serv co, shanghai, peoples r china. [li, jin] chinese acad sci, inst met res, beijing 100864, peoples r china. ; jiang, ym (reprint author), fudan univ, dept mat sci, shanghai 200433, peoples r china. ; ymjiang@fudan.edu.cn
KeywordStainless Steel Sem Intergranular Corrosion Sensitization Resistance Unss31803 Behavior Environments Tests
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71258
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J. F. Hong,D. Han,H. Tan,et al. Evaluation of aged duplex stainless steel UNS S32750 susceptibility to intergranular corrosion by optimized double loop electrochemical potentiokinetic reactivation method[J]. Corrosion Science,2013,68:249-255.
APA J. F. Hong,D. Han,H. Tan,J. Li,&Y. M. Jiang.(2013).Evaluation of aged duplex stainless steel UNS S32750 susceptibility to intergranular corrosion by optimized double loop electrochemical potentiokinetic reactivation method.Corrosion Science,68,249-255.
MLA J. F. Hong,et al."Evaluation of aged duplex stainless steel UNS S32750 susceptibility to intergranular corrosion by optimized double loop electrochemical potentiokinetic reactivation method".Corrosion Science 68(2013):249-255.
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