{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"Taking into account the chemical stability and scaling features of metals, four <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span> models were proposed to represent their <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span> responses in molten-salt systems at the open-circuit potential. <span style=\"color:red\">Electrochemical</span> charge transfer for the non-active metals is the rate-limiting process. For the active metals, the transfer of ions in the scale and the diffusion of oxidants in melts become increasingly important as compared with the <span style=\"color:red\">electrochemical</span> process. When a non-protective scale forms on the metal surface, the <span style=\"color:red\">impedance</span> diagram may present the characteristics typical of a diffusion-controlled reaction. i.e.. a semi-circle at high frequency and a line at low frequency. When a protective scale forms on the metal surface, the Nyquist plot is composed of double capacitance loops, and the transfer of ions in the scale is rate limiting. An equivalent circuit of double layer capacitance in series with oxide capacitance can be used to represent this kind of <span style=\"color:red\">impedance</span> response. In the case of localized corrosion, the Nyquist plot also consists of double capacitance loops, which can be described by an equivalent circuit of double layer capacitance parallel to oxide capacitance. <span style=\"color:red\">Impedance</span> measurements of Pt. Ni3Al and FeAl intermetallics in molten-salt systems were conducted to verify the proposed <span style=\"color:red\">impedance</span> models. (C) 2001 Elsevier Science Ltd. All rights reserved.","authors":[],"categoryName":"|","doi":"","fpage":"787","id":"292b47f4-a3fb-4c06-8cfc-fdd08034d0ff","issue":"4","journal":{"abbrevTitle":"CS","id":"36011533-0ced-443e-899a-7c7323dae3b5","issnPpub":"0010-938X","publisherId":"CS","title":"Corrosion Science"},"keywords":[{"id":"4fd7c139-0a48-4f4f-80c7-b59ba47ae3fd","keyword":"<span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span>;molten-salt corrosion;Pt, Ni3Al, FeAl;electrode;ni","originalKeyword":"electrochemical impedance;molten-salt corrosion;Pt, Ni3Al, FeAl;electrode;ni"}],"language":"en","publisherId":"0010-938X_2001_4_1","title":"<span style=\"color:red\">Electrochemical</span> <span style=\"color:red\">impedance</span> models for molten salt corrosion","volume":"43","year":"2001"},{"abstractinfo":"The impact of solution and sensitization treatments on the intergranular corrosion (IGC) of austenitic stainless steel (316) was studied by <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">potentiodynamic</span> reactivation (EPR) test, and the results showed the degree of sensitization (DOS) decreased as solution treatment temperature and time went up, but it increased as sensitization temperature prolonged. Factors that affected IGC were investigated by field emission scanning electron microscope (FE-SEM) and electron back-scattering diffraction (EBSD). Furthermore, the precipitation evolution of Cr-rich carbides and the distribution of chromium concentration were simulated by cellular automaton (CA), clearly showing the effects of solution and sensitization treatments on IGC. (C) 2010 Elsevier Ltd. All rights reserved.","authors":[],"categoryName":"|","doi":"","fpage":"1939","id":"a8b6fd78-18aa-442f-88d0-d855dc7a3acc","issue":"6","journal":{"abbrevTitle":"CS","id":"36011533-0ced-443e-899a-7c7323dae3b5","issnPpub":"0010-938X","publisherId":"CS","title":"Corrosion Science"},"keywords":[{"id":"24f555d5-efe0-407e-bc0c-18ed87cb2754","keyword":"Stainless steel;SEM;Intergranular corrosion;grain-boundary-character;annealing twins;aisi 316l;sensitization;simulation;growth;behavior;resistance;nickel;model","originalKeyword":"Stainless steel;SEM;Intergranular corrosion;grain-boundary-character;annealing twins;aisi 316l;sensitization;simulation;growth;behavior;resistance;nickel;model"}],"language":"en","publisherId":"0010-938X_2010_6_2","title":"A study of intergranular corrosion of austenitic stainless steel by <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">potentiodynamic</span> reactivation, electron back-scattering diffraction and cellular automaton","volume":"52","year":"2010"},{"abstractinfo":"将水淬、空冷方式热处理的X80钢与供货状态（原始组织）X80钢相比较，用动电位极化曲线和动电位交流阻抗谱研究不同组织X80 钢在0.5 mol/L Na<sub>2</sub>CO<sub>3</sub>+1 mol/L NaHCO<sub>3</sub>高pH值土壤模拟溶液中的点蚀电化学行为。结果表明，水淬热处理后的X80钢更易钝化，点蚀敏感性低，但维钝电流较其他两种组织的都大；三种组织的X80钢极化电阻和电极表面状态常数<em>n</em>值随电位的变化规律基本一致，但水淬组织的<em>n</em>值在不同电位区间分别高于或低于其他两种组织；这些电化学行为的差异与不同组织试样表面钝化膜的非均匀性和致密程度有关；动电位极化法和动电位电化学阻抗谱法所得结论一致，腐蚀电流密度随电位的变化及电极极化电阻随电位变化都可用来反映电极的点蚀行为。","authors":[{"authorName":"黄峰","id":"9b4d93d4-746c-47e2-9a35-d5e0c1f854cf","originalAuthorName":"黄峰"},{"authorName":"曲炎淼","id":"2caf8354-add7-412a-b125-9fbe5339f3b0","originalAuthorName":"曲炎淼"},{"authorName":"邓照军","id":"901236f2-7dd3-4beb-8161-adb1b6b27f31","originalAuthorName":"邓照军"},{"authorName":"刘静","id":"77b2f60a-8c8b-4120-a462-4fff28e73c4f","originalAuthorName":"刘静"},{"authorName":"郑超超","id":"a1311ecc-1aa6-43d3-9c1a-84a8c2cb1984","originalAuthorName":"郑超超"},{"authorName":"李晓刚","id":"af051513-97b9-4051-8e3b-7fc28640c0f7","originalAuthorName":"李晓刚"}],"categoryName":"|","doi":"","fpage":"29","id":"a33e487c-9e36-4104-825f-2276856d0ec8","issue":"1","journal":{"abbrevTitle":"ZGFSYFHXB","coverImgSrc":"journal/img/cover/中国腐蚀封面19-3期-01.jpg","id":"81","issnPpub":"1005-4537","publisherId":"ZGFSYFHXB","title":"中国腐蚀与防护学报"},"keywords":[{"id":"52f0cddb-00d4-4e77-8100-7cd1d59fc6ec","keyword":"X80钢","originalKeyword":"X80钢"},{"id":"ee355c09-7f67-4dd1-b56a-8fbbd7972d94","keyword":"heattreament","originalKeyword":"heattreament"},{"id":"b46d568b-f0e6-442c-866a-763ec6e0540d","keyword":"pitting corrosion","originalKeyword":"pitting corrosion"},{"id":"69c9905a-1413-456a-8f1a-55ffacce8394","keyword":"<span style=\"color:red\">potentiodynamic</span> polarization","originalKeyword":"potentiodynamic polarization"},{"id":"a39388d1-221d-469e-9535-5b502da7528c","keyword":"<span style=\"color:red\">potentiodynamic</span> <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span>","originalKeyword":"potentiodynamic electrochemical impedance"}],"language":"zh","publisherId":"1005-4537_2010_1_2","title":"不同组织X80钢在高pH土壤模拟溶液中的点蚀电化学行为","volume":"30","year":"2010"},{"abstractinfo":"<span style=\"color:red\">Electrochemical</span> <span style=\"color:red\">impedance</span> spectra of 316 stainless steel in NaCl solutions with different concentration, which were measured by using reference electrode systems with different internal resistance, were presented. The results showed that the large internal resistance of reference electrode system induced capacitive high frequency phase shifting <span style=\"color:red\">impedance</span> measurement. It was also found that high frequency phases shifts were reduced with the decrease of solution resistance and the internal resistance of reference electrode system.","authors":[],"categoryName":"|","doi":"","fpage":"299","id":"0f24c51b-220d-43b6-aab3-de83356f6a01","issue":"7","journal":{"abbrevTitle":"BOE","id":"ff568f97-9a47-498a-8e45-465661887cc3","issnPpub":"0256-1654","publisherId":"BOE","title":"Bulletin of Electrochemistry"},"keywords":[{"id":"623da175-3c40-49a4-a5dc-b922baeb02dc","keyword":"<span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span> spectroscopy (EIS);high frequency phase;shift;reference electrode system;Luggin capillary;corrosion","originalKeyword":"electrochemical impedance spectroscopy (EIS);high frequency phase;shift;reference electrode system;Luggin capillary;corrosion"}],"language":"en","publisherId":"0256-1654_2001_7_1","title":"Effect of internal resistance of reference electrode system on <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span> spectroscopy","volume":"17","year":"2001"},{"abstractinfo":"The corrosion inhibition for carbon steel in circulating cooling water by modified lignosulphonate has been investigated using <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span> spectroscopy technique. Results show that the inhibition efficiency of modified lignosulphonate GCL2 is a great improvement on that of lignosulphonate. The maximum inhibition efficiency of GCL2 reaches 99.21% at the concentration of 400mg·L-1 at 303K. The corrosion inhibition of GCL2 is attributed to forming adsorption film on the metal surface for the <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span> spectroscopy in GCL2 solution shows more than one time-constant. Moreover, results also indicate that it is more efficient in stirring solution than in still solution for GCL2 because the constant of adsorption in stirring solution is much larger than that in still solution. The adsorption of inhibitor GCL2 follows Langmuir's adsorption isotherm.","authors":[{"authorName":"C.H. Yi","id":"1263f59f-9286-4bf0-8973-0740cd5bc74b","originalAuthorName":"C.H. Yi"},{"authorName":" X.Q. Qiu","id":"78866e60-b0d9-41fc-b051-28e7e7ed4ea9","originalAuthorName":" X.Q. Qiu"},{"authorName":" D.J. Yang ","id":"4250c43e-431a-4696-adf2-8beaf0cbea6a","originalAuthorName":" D.J. Yang "},{"authorName":"  H.M. Lou","id":"c1839578-12d7-4e49-81fa-c0f629c36dcc","originalAuthorName":"  H.M. Lou"}],"categoryName":"|","doi":"","fpage":"519","id":"9852b347-bde1-4f0f-88f9-55a2612817b9","issue":"4","journal":{"abbrevTitle":"JSXBYWB","coverImgSrc":"journal/img/cover/amse.jpg","id":"49","issnPpub":"1006-7191","publisherId":"JSXBYWB","title":"金属学报(英文版)"},"keywords":[{"id":"e82e9c43-674d-499e-aee6-11a81950d6c8","keyword":"<span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span> spectroscopy(EIS)","originalKeyword":"electrochemical impedance spectroscopy(EIS)"},{"id":"3709c27e-ae6c-420e-9943-eec179e1e2f7","keyword":"null","originalKeyword":"null"},{"id":"f3cb229a-f087-4f1f-92e9-2ed3aafa5f7c","keyword":"null","originalKeyword":"null"}],"language":"en","publisherId":"1006-7191_2005_4_14","title":"<span style=\"color:red\">ELECTROCHEMICAL</span> <span style=\"color:red\">IMPEDANCE</span> SPECTROSCOPY STUDY OF CORROSION INHIBITION OF MODIFIED LIGNOSULPHONATE FOR CARBON STEEL","volume":"18","year":"2005"},{"abstractinfo":"The current distribution of carbon steel beneath intact organic coating exposed to 3.5% NaCl solution was investigated by the wire beam electrode (WBE) method. The <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span> spectroscopy (EIS) of individual electrodes with high current was characterized to analyze the behavior of the coating degradation and metal corrosion at coating/metal interface. The polarity switch of the electrode under the coating was observed. The mechanism of coating degradation and carbon steel substrate corrosion was discussed from a point of <span style=\"color:red\">electrochemical</span> distribution.","authors":[],"categoryName":"|","doi":"","fpage":"475","id":"a8c174ec-e4d1-4e6d-b2fe-79408735999c","issue":"6","journal":{"abbrevTitle":"MACUK","id":"7f9136b8-b959-42d7-8785-3be75b2fbe9f","issnPpub":"0947-5117","publisherId":"MACUK","title":"Materials and Corrosion-Werkstoffe Und Korrosion"},"keywords":[{"id":"07475661-c7cb-487a-89a7-37f7d0ace80b","keyword":"current distribution;EIS;organic coating;wire beam electrode;scanning kelvin probe;wire beam electrode;corrosion protection;galvanic corrosion;stainless-steel;eis;spectroscopy;degradation;mechanism;metals","originalKeyword":"current distribution;EIS;organic coating;wire beam electrode;scanning kelvin probe;wire beam electrode;corrosion protection;galvanic corrosion;stainless-steel;eis;spectroscopy;degradation;mechanism;metals"}],"language":"en","publisherId":"0947-5117_2012_6_2","title":"Correlation between <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span> and current distribution of carbon steel under organic coating","volume":"63","year":"2012"},{"abstractinfo":"The effect of different amounts of titanium powder, used as additive, on the protective performance in aqueous 3.5 wt.% sodium chloride solution of coal tar epoxy resin cured with polyamine has been studied by <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span> spectroscopy (EIS). In this paper, the <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span> spectra and breakpoint frequency (f(b)) of the coating as a function of titanium content and immersion time, and the electrical resistance of the coating by calculating permittivity of the coating were analyzed and discussed. It is shown that EIS performance of the coating can be explained by change of the permittivity of the coating with time, and the protective performance (the protective life) is determined by the breakpoint frequency of the coating in given system. (c) 2005 Elsevier B.V. All rights reserved.","authors":[],"categoryName":"|","doi":"","fpage":"302","id":"75d711a8-bb24-45de-903c-98da12a4b817","issue":"4","journal":{"abbrevTitle":"PIOC","id":"6ea1615d-69ba-4a3e-9162-63c3e6e85f99","issnPpub":"0300-9440","publisherId":"PIOC","title":"Progress in Organic Coatings"},"keywords":[{"id":"72ec763c-4866-4541-b06d-b20b4ade0360","keyword":"EIS;permittivity;breakpoint frequency;titanium powder;polymeric coatings;barrier properties;water;behavior;diffusion;powder","originalKeyword":"EIS;permittivity;breakpoint frequency;titanium powder;polymeric coatings;barrier properties;water;behavior;diffusion;powder"}],"language":"en","publisherId":"0300-9440_2005_4_1","title":"Protective performance of epoxy resin modified with coal tar coating studied by <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span> spectroscopy","volume":"53","year":"2005"},{"abstractinfo":"<span style=\"color:red\">Electrochemical</span> studies of hot corrosion were conducted mostly in deep molten salts, which are not identical to a fused salt film in service conditions. In order to establish <span style=\"color:red\">electrochemical</span> measurements under a fused salt film, a two-electrode probe was proposed for <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span> studies of hot corrosion of Fe-20Cr alloy induced by a fused 0.9Na(2)SO(4)-0.1K(2)SO(4) (mole fraction) film at 1173K in air. The corrosion of the alloy was characterized by an initial incubation stage with a relatively low corrosion rate and a later stage with rapid material degradation, accompanied with quite different <span style=\"color:red\">impedance</span> features. In the initial stage, the alloy formed a protective Cr-rich oxide scale, and the corresponding <span style=\"color:red\">impedance</span> spectra were composed of two capacitive loops. With extended exposure, the <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span> spectra showed the typical characteristics of a diffusion-controlled reaction, which-was associated with the degradation of Cr-rich scale and the formation of a no-protective mixed scale of oxides and sulfides owing to fluxing of oxide scale as well as internal sulfidation of Cr. Two equivalent circuits were proposed to fit the <span style=\"color:red\">impedance</span> spectra in two stages. Based on the transport of molecular O-2 in the melt, Warburg <span style=\"color:red\">impedance</span> was introduced to calculate the product (C-O2 root D-O2) of solubility and diffusion coefficient for oxygen in the melt, and the main reduction reaction was also discussed.","authors":[],"categoryName":"|","doi":"","fpage":"167","id":"90699432-e6c5-43a8-93fd-a8ba993941b0","issue":"3","journal":{"abbrevTitle":"HTMAP","id":"8c150755-1cd7-4138-99f9-977ab79fd688","issnPpub":"0334-6455","publisherId":"HTMAP","title":"High Temperature Materials and Processes"},"keywords":[{"id":"655ab12d-0a1e-4e24-b56b-9484551e3a5d","keyword":"Fe-20Cr alloy;(Na,K)(2)SO4;hot corrosion;<span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span>;spectroscopy;molten sodium-sulfate;salt corrosion;na2so4 film;degrees-c;carbonate;ni;oxygen;0.38k)(2)co3;reduction;mechanism","originalKeyword":"Fe-20Cr alloy;(Na,K)(2)SO4;hot corrosion;electrochemical impedance;spectroscopy;molten sodium-sulfate;salt corrosion;na2so4 film;degrees-c;carbonate;ni;oxygen;0.38k)(2)co3;reduction;mechanism"}],"language":"en","publisherId":"0334-6455_2007_3_2","title":"Characterization of hot corrosion of Fe-20Cr coated with a fused (Na,K)(2)SO4 film by <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span> spectroscopy","volume":"26","year":"2007"},{"abstractinfo":"Activated carbon was prepared from petroleum coke by chemical activation. Multi-walled carbon nanotubes (MWCNTs) were mixed with the activated carbon to form the electrode material of electric double layer capacitors. According to the relative values of <span style=\"color:red\">impedance</span> and capacitance in <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span>, the available capacitance and energy dissipation from resistance were evaluated. Results showed that the real part of the capacitance for this mixture was higher than for activated carbon alone when activated carbon was mixed with a mass fraction 3% -15% MWCNTs. With the increase of MWCNT content, the imaginary part of the capacitance and its percentage decreases while the real part of capacitance and its percentage increases. It was revealed that the efficiency of energy storage was improved, the relaxation time constant was decreased, the characteristic of capacitance response versus frequency was improved and the electrode resistance was decreased by the addition of MWCNTs to activated carbon.","authors":[],"categoryName":"|","doi":"","fpage":"307","id":"e44258a0-f625-49c3-8a35-b82c05694eef","issue":"4","journal":{"abbrevTitle":"XXTCL","coverImgSrc":"journal/img/cover/XXTCL.jpg","id":"70","issnPpub":"1007-8827","publisherId":"XXTCL","title":"新型炭材料"},"keywords":[{"id":"3da207d0-2eb2-453c-8a72-2f14adf877c1","keyword":"Activated carbon;Multi-walled carbon nanotubes;<span style=\"color:red\">Electrochemical</span>;<span style=\"color:red\">impedance</span> spectroscopy;Relaxation time constant;research-and-development;supercapacitors;coke","originalKeyword":"Activated carbon;Multi-walled carbon nanotubes;Electrochemical;impedance spectroscopy;Relaxation time constant;research-and-development;supercapacitors;coke"}],"language":"en","publisherId":"1007-8827_2011_4_1","title":"The <span style=\"color:red\">electrochemical</span> performance of a multi-wall carbon nanotube/activated carbon mixture as the electrode of electric double layer capacitors analyzed by <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span>","volume":"26","year":"2011"},{"abstractinfo":"<span style=\"color:red\">Electrochemical</span> <span style=\"color:red\">impedance</span> spectroscopy (EIS) was used as the main technique coupled with cycling voltammetry (CV) to characterize the surface fouling of a conventional Ti/IrO2 in 4-CP aqueous solutions caused by the electropolymerization of chlorinated phenol. Capacitive information of polymeric films formed was successfully derived from both the on-line and off-line <span style=\"color:red\">impedance</span> measurements and was used to characterize the surface fouling of IrO2 electrodes. Results showed that the fouling extent at IrO2 electrode decreased when its heating temperature was increased. With increasing the anodic potential, the surface fouling was enhanced firstly and then weakened, reaching the highest extent at 0.9 V. More positive potentials were believed to further oxidize the formed films and thereby to reactivate the deactivated electrode surface. With the increase of positive potential, the regeneration was enhanced, but no entire recovering could be achieved after the reactivation even at very high potentials. (C) 2007 Elsevier Ltd. All rights reserved.","authors":[],"categoryName":"|","doi":"","fpage":"3386","id":"fa437883-5cc1-4b14-813d-1c51d334e6ff","issue":"8","journal":{"abbrevTitle":"EA","id":"2eb78e79-f37d-4877-b1cf-473181992a36","issnPpub":"0013-4686","publisherId":"EA","title":"Electrochimica Acta"},"keywords":[{"id":"e248c6be-528e-4492-b72c-5e3263ac5456","keyword":"4-chlorophenol;IrO2 electrodes;electrooxidation;electropolymerization;EIS;boron-doped diamond;waste-water treatment;quartz-crystal microbalance;chlorinated phenols;alkaline-solution;oxygen evolution;electrocatalytic properties;amperometric detection;corrosion behavior;mass-spectrometry","originalKeyword":"4-chlorophenol;IrO2 electrodes;electrooxidation;electropolymerization;EIS;boron-doped diamond;waste-water treatment;quartz-crystal microbalance;chlorinated phenols;alkaline-solution;oxygen evolution;electrocatalytic properties;amperometric detection;corrosion behavior;mass-spectrometry"}],"language":"en","publisherId":"0013-4686_2008_8_1","title":"Characterization of surface fouling of Ti/IrO2 electrodes in 4-chlorophenol aqueous solutions by <span style=\"color:red\">electrochemical</span> <span style=\"color:red\">impedance</span> spectroscopy","volume":"53","year":"2008"}],"totalpage":130,"totalrecord":1299}