An electrochemical impedance study on atmospheric corrosion of steels in a cyclic wet-dry condition

Nishikata, Atsushi; Yamashita, Yudai; Katayama, Hideki; Tsuru, Tooru; Usami, Akira; Tanabe, Ken-ichi; Mabuchi, Hidesato

doi:10.1016/0010-938x(95)00104-r

Cited by 136 publications

(69 citation statements)

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“…It is, however, of critical importance that such measures are sustain- 46 able in terms of not compromising the historic and cultural heritage of these vehicles by excessive 47 repair, replacements, and other maintenance techniques such as coatings. The sustainable conser- 48 vation of these artefacts would include full understanding of the critical parameters that are respon- 49 sible for initiating and accelerated propagation of corrosion. Linking these critical attributes to 50 controlled environment facilities to optimise their design for achieving these goals economically is 51 the objective of the present research.…”

Section: Proof Copy [Mpc20120016]mentioning

confidence: 99%

“…The addition of chlorides and sulphurs, in the form of sulphates, sulphides, sulphites, and sul-284 phurous salts, in the atmospheric environment, increases the corrosion rate [49][50][51][52]. Salts play 285 three main roles in accelerating corrosion: (a) they are imperfections on the surfaces and thereby 286 points of corrosion nucleation, (b) they form a hygroscopic salt film on the substrate surface that 287 keeps the surface wet for longer periods of time because the salt layer causes the surface to remain 288 wet at a lower relative humidity compared to clean surfaces, and (c) salts act to increase the con-289 ductivity of the thin electrolyte film that drives the electrochemical reaction, i.e., corrosion [52,53].…”

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Corrosion Damage Analysis and Material Characterization of Sherman and Centaur—The Historic Military Tanks

Saeed

Khan

Montgomery

2013

Materials Performance and Characterization

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Please read the page proofs carefully and: 1) indicate changes or corrections using e-annotation;2) answer all queries;3) proofread any tables and equations carefully; 4) check that any special characters have translated correctly. Special Notes:Your edits must be returned (uploaded or emailed) within 48 hours of receiving page proofs to review. Please notify Denise Stanley (denise.stanley@cenveo.com) immediately if you anticipate a delay in returning your edits.Your Login and Password are valid for a limited time. Your prompt attention to and return of page proofs will help expedite publication of your work. Thank you for your cooperation. "The right to post the pre-print version of the Work on your website or your employer's website with reference to the publication by ASTM as the copyright holder. This preprint will be sent to you by the copyeditor. This version MPC JournalCopy of e-mail Notification does not include the final edits. Such preprints may be posted as electronic files on the Author's own website for personal or professional use, or on the Author's internal university or corporate networks/intranet, or secure external website at the Author's institution, but not for commercial sale or for any systematic external distribution by a third party (eg: a listserver or database connected to a public access server). Prior to publication, the Author must include the following notice on the preprint: "This is a preprint of an article accepted for publication in (Journal Title Copyright @ (year) (copyright ASTM International, West Conshohocken, PA)". After publication of the Work by ASTM International, the preprint notice should be amended to read as follows: "This is a preprint of an article published in ( ASTM International Customer Relations department will finalize your reprint quote including freight charges. ASTM International will contact you with the quote price. R e p R i n t s O R d e R F O R m Location in articleQuery / Remark: click on the Q link to navigate to the appropriate spot in the proof. There, insert your comments as a PDF annotation. AQ1Please advise whether reference 32 was meant here instead of 22. AQ2Please advise -reference 54 citation deleted here as there is no reference 54 in the list. AQ3For reference 1, please provide dates and location of meeting. AQ4For reference 20, please check standard number, year, and name of organization. AQ5Please provide all authors for references 38 and 49. AQ6For the website references, please check that the date the sites were last accessed are correct. If not, please provide correct dates. Please provide the date for all website references.Thank you for your assistance. corrosion pits at 100 lm depth. These pits possess random geometrical configurations with evidence of sul-8 phur, sodium, and calcium.

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confidence: 99%

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Corrosion Damage Analysis and Material Characterization of Sherman and Centaur—The Historic Military Tanks

Saeed

Khan

Montgomery

2013

Materials Performance and Characterization

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“…Electrochemical impedance spectroscopy (EIS) has proven to be an effective technique for monitoring the corrosivity of haze and related mechanisms of steel. Nishikata et al [29][30][31][32][33][34][35][36] used EIS to study the corrosivity of atmosphere to different types of steels, and the effects of electrolyte concentration and pH value on the atmospheric corrosivity of metal were also studied. EIS was used to study the atmospheric corrosion of steel under an electrolyte film in wet-dry cycles by Dong et al 37 Leygraf et al [38][39][40] used situ X-ray transmission spectromicroscopy, infrared reflection absorption spectroscopy (IRAS) and a quartz crystal microbalance to investigate the atmospheric corrosivity of metals.…”

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confidence: 99%

Sensing the Instant Corrosivity of Haze Using Electrochemical Probes by Electrochemical Noise Technique

Ma¹,

Xia²,

Zhang³

et al. 2017

Electrochemistry

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Electrochemical noise (EN) was used to study the corrosivity of haze under Tianjin's urban atmosphere by using two electrochemical corrosion probes made by T91 and Q235B steels. Experimental results indicate that temperature, relative humidity and concentrations of pollutants (PM10, PM2.5, SO 2 , NO 2 and O 3 ) can affect the corrosion of T91 and Q235B atmospheric corrosion monitoring probes. However, the atmospheric humidity has a major effect on corrosion activities. The corrosivity of haze under low temperature and high relative humidity has a high level, which can promote the corrosion of T91 and Q235B probes; the effect of atmospheric pollutant concentration on atmospheric corrosivity is not apparent due to theirs low concentrations. T91 probe is suitable for long term corrosion monitoring, while Q235B probe is suitable for short time monitoring and has high detection precision.

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“…The presence of painting or inorganic coating and thin layer of electrolyte could be resulted in extremely high resistance. In addition, the error was also occurred from ohmic drop between the reference and working electrodes and uneven current distribution over the working electrode [5][6][7][8]. These errors could be compensated by using alternating current (AC) impedance techniques or electrochemical impedance spectroscopy (EIS) method [9].…”

Section: Introductionmentioning

confidence: 99%

Lifetime Estimation for Metal Sheet Cladding and Roofing in Wang-Noi Combined Cycle Power Plant

Suvanjumrat

Rugsaj

2016

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Abstract. This research aimed to study corrosion behavior and evaluated lifetime of the metal sheet cladding and roofing when exposed to actual usage environment using electrochemical impedance spectroscopy (EIS) test method. The sample plates were galvanized steel grade 550 and thickness of 0.6 mm which was coated with 55% of Al-Zn and a polyvinylidene fluoride layer which were prepared for metal sheet cladding and roofing of Wang-Noi combined cycle power plant in Phra Nakhon Si Ayutthaya province of Thailand. The specimens were tested under wet-dry cyclic condition by immersing in the simulated acid rain solution for an hour, then the specimen was removed from the solution and allowed to dry in open air environment with exposing to sunlight for 7 hours a day. The wet-dry cyclic treatment was repeated 3 times a day which was considered as the severe usage condition therefore the 3 wet-dry cycles might lead to extreme corrosion due to raining about 3 times a day. The EIS was used to evaluate the corrosion rate of specimens after the wet-dry cyclic treatment. Analysis results were expressed in Bode and Nyquist plot and used to calculate for corrosion current by using Stern-Garry equation which was used to calculate corrosion rate by using Faraday's law. The first order polynomial regression was appropriate to estimate corrosion rate beyond the real time usage of the metal sheet, and total mass loss over time was estimated by integrating the polynomial regression model to obtain the governing equation of the total mass loss of the cladding and roofing sheet in the usage environment. The evaluated mass loss over 20 years of usage under severe condition was estimated which had the maximum penetration of 1.04004 milli-inch and could be converted into penetrating thickness of 26.41 m.

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An electrochemical impedance study on atmospheric corrosion of steels in a cyclic wet-dry condition

Cited by 136 publications

References 13 publications

Corrosion Damage Analysis and Material Characterization of Sherman and Centaur—The Historic Military Tanks

Corrosion Damage Analysis and Material Characterization of Sherman and Centaur—The Historic Military Tanks

Sensing the Instant Corrosivity of Haze Using Electrochemical Probes by Electrochemical Noise Technique

Lifetime Estimation for Metal Sheet Cladding and Roofing in Wang-Noi Combined Cycle Power Plant

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