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Microstructural characteristics of the oxide films formed on Alloy 690 TT in pure and primary water at 325 degrees C
F. Huang; J. Q. Wang; E. H. Han; W. Ke
2013
Source PublicationCorrosion Science
ISSN0010-938X
Volume76Pages:52-59
AbstractMicrostructural characteristics of the oxide films formed on Alloy 690 TT after the exposure in oxygenated pure and primary water at 325 degrees C were investigated. Change in water chemistry from pure to primary water was found to vary the film structure from duplex to triple layer, and lead to change in the morphology of NiO on the surface. The increased pH and solution conductivity of primary water also accelerate the dissolution of Cr species and enhance the electrochemical corrosion. The Ni-rich and Cr-depleted inner layer formed under both water chemistries is porous and not protective. The related oxidation mechanism is discussed. (C) 2013 Elsevier Ltd. All rights reserved.
description.department[huang, fa ; wang, jianqiu ; han, en-hou ; ke, wei] chinese acad sci, state key lab corros & protect, inst met res, shenyang 110016, peoples r china. ; wang, jq (reprint author), chinese acad sci, state key lab corros & protect, inst met res, shenyang 110016, peoples r china. ; wangjianqiu@imr.ac.cn
KeywordNickel Stem X-ray Diffraction Oxidation High Temperature Corrosion Stress-corrosion Cracking High-temperature Water Pwr Primary Water Stainless-steel Dissolved Hydrogen Heat-treatment Oxidation Behavior Steam 304-stainless-steel
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71267
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
F. Huang,J. Q. Wang,E. H. Han,et al. Microstructural characteristics of the oxide films formed on Alloy 690 TT in pure and primary water at 325 degrees C[J]. Corrosion Science,2013,76:52-59.
APA F. Huang,J. Q. Wang,E. H. Han,&W. Ke.(2013).Microstructural characteristics of the oxide films formed on Alloy 690 TT in pure and primary water at 325 degrees C.Corrosion Science,76,52-59.
MLA F. Huang,et al."Microstructural characteristics of the oxide films formed on Alloy 690 TT in pure and primary water at 325 degrees C".Corrosion Science 76(2013):52-59.
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