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题名: A novel experimental device for electrochemical measurements in supercritical fluids up to 700 degrees C/1000 bar and its application in the corrosion study of superalloy Inconel 740H
作者: Lin, Sen1;  Li, Heping1;  Xu, Liping1;  Zhang, Yanqing2;  Cui, Can1
刊名: RSC ADVANCES
发表日期: 2017
DOI: 10.1039/c7ra04054g
卷: 7, 期:54, 页:33914-33920
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: A three-electrode electrochemical study concerning electrically conductive materials submitted to supercritical fluids above 550 degrees C has not been reported in spite of its significance in many related fields. In this work, the design of a novel experimental device allowing three-electrode electrochemical measurements in high temperature and pressure fluids up to 700 degrees C/1000 bar is detailed described. In this device, pyrophyllite is used as a new electrode sealing material and the electrodes are sealed using a conical self-energizing sealing structure, which ensures the water tightness of the electrodes at pressures up to 1000 bar. The reference electrode in this device can either be an Ag/AgCl external pressure balanced reference electrode (EPBRE) or a platinum reference electrode. The potentiodynamic polarization plots and electrochemical impedance spectroscopy (EIS) of nickel-based superalloy Inconel 740H, a candidate material for Generation IV nuclear reactors, in deaerated water and chloride containing fluid (600-700 degrees C, 600-1000 bar) are presented using this device.
关键词[WOS]: TEMPERATURE AQUEOUS SYSTEMS ;  FIRED POWER-PLANTS ;  REFERENCE ELECTRODES ;  PRESSURE OXIDATION ;  WATER OXIDATION ;  REACTOR ;  NANOPARTICLES ;  KINETICS ;  BEHAVIOR ;  ALLOYS
语种: 英语
WOS记录号: WOS:000405279100026
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/152031
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Geochem, Key Lab High Temp & High Pressure Study Earths In, Lincheng West Rd 99, Guiyang 550081, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Natl Lab Clean Energy DNL, Zhongshan Rd 457, Dalian 116000, Peoples R China

Recommended Citation:
Lin, Sen,Li, Heping,Xu, Liping,et al. A novel experimental device for electrochemical measurements in supercritical fluids up to 700 degrees C/1000 bar and its application in the corrosion study of superalloy Inconel 740H[J]. RSC ADVANCES,2017,7(54):33914-33920.
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