Corrosion mechanism of advanced high strength dual-phase steels by electrochemical noise analysis in chloride solutions

Montoya-Rangel, Marvin; Garza-Montes-de-Oca, Nelson F.; Gaona-Tiburcio, C.; Almeraya‐Calderón, F.

doi:10.1016/j.mtcomm.2023.105663

Cited by 6 publications

(2 citation statements)

References 89 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It has been reported that frequent and continuous spikes in the potential signal can be attributed to the uniform corrosion process occurring on the surface of the carbon steel electrodes in acidic media [ 42 ]. This indicates a highly unstable electrochemical process on the steel surface when the standard deviation value is high [ 43 ]. In a certain sense, this explains why the sample under no-flow conditions exhibits a higher tendency to uniform corrosion (early corrosion stage).…”

Section: Resultsmentioning

confidence: 99%

Accelerated corrosion of low carbon steel by oscillatory acidic streams generated with a bio-inspired claw device

Godínez,

Montoya-Rangel,

Montoya

2024

PLoS ONE

Self Cite

View full text Add to dashboard Cite

A mechanical device inspired by the pistol shrimp snapper claw was developed. This technology features a claw characterized by a periodic opening/closing motion, at a controlled frequency, capable of producing oscillating flows at transitional Reynolds numbers. An innovative method was also proposed for determining the corrosion rate of carbon steel samples under oscillating acidic streams (aqueous solution of HCl). By employing very-thin carbon steel specimens (25 μm thickness), with one side coated with Zn and not exposed to the stream, it became possible to electrochemically sense the Zn surface once the steel sample was perforated, thus providing the average dissolution rate into the most relevant pit on the steel surface. Furthermore, a laser light positioned beneath the metallic sample, along with a camera programmed to periodically capture images of the steel surface, facilitated the accurate counting of the number of newly formed pits. The system consisting of the thin steel sample and the Zn coating can be seen as a type of corrosion sensor. Furthermore, the proposed laser illumination method allows corroborating the electrochemical detection of pits and also establishing their location. The techniques crafted in this study pave the way for developing alternative corrosion sensors that boast appealing attributes: affordability, compactness, and acceptable accuracy to detect in time and space localized damage.

show abstract

Section: Resultsmentioning

confidence: 99%

Accelerated corrosion of low carbon steel by oscillatory acidic streams generated with a bio-inspired claw device

Godínez,

Montoya-Rangel,

Montoya

2024

PLoS ONE

Self Cite

View full text Add to dashboard Cite

show abstract

“…As previously indicated, iron and chromium oxidation are the primary sources of anodic reactions during the passivation film growth period. Equations ( 11)-( 13) [92][93][94] show the iron oxidation reactions:…”

Section: Discussionmentioning

confidence: 99%

Use of Electrochemical Noise for the Study of Corrosion by Passivated CUSTOM 450 and AM 350 Stainless Steels

Almeraya-Calderon,

Villegas-Tovar,

Maldonado-Bandala

et al. 2024

Metals

Self Cite

View full text Add to dashboard Cite

Precipitation-hardening stainless steels, like AM 350 and Custom 450, are extensively utilized in various aerospace applications. The latter steel is utilized for applications needing great strength and corrosion resistance. In contrast, the former steel has a good corrosion resistance and moderate strength. The purpose of this study was to analyze transient frequencies in the electrochemical noise of Custom 450 and AM 350 stainless steels that had been passivated for 60 and 90 min at 25 and 49 °C using baths of citric and nitric acid and then immersed in solutions containing 1% sulfuric acid (H2SO4) and 5% sodium chloride (NaCl). The potentiodynamic polychromatic curves employed electrochemical techniques and noise (EN) based on the ASTM-G5 and G199 standards. Two methods of data analysis were applied concerning EN: the domain of frequencies (power spectral density, PSD) and the time–frequency domain (Hilbert-Huang Transform). The PHSS passivated in citric acid indicated current densities in the H2SO4 solution between 10−2 and 10−3 mA/cm2, while those in the NaCl solution were recorded around 10−4 and 10−5 mA/cm2. The citric acid functions as a passivating agent. The results of the electrochemical noise analysis show that the PHSS passivated in nitric acid displayed a greater corrosion resistance. Moreover, there is a tendency for PHSS to be passivated in nitric acid to corrode locally.

show abstract

Effect of Boron Addition on Microstructure and Corrosion Behaviour of Leaf Spring Steel in Automotive Suspension Systems

Peddinti,

Mohammed

2024

Trans Indian Inst Met

View full text Add to dashboard Cite

Corrosion mechanism of advanced high strength dual-phase steels by electrochemical noise analysis in chloride solutions

Cited by 6 publications

References 89 publications

Accelerated corrosion of low carbon steel by oscillatory acidic streams generated with a bio-inspired claw device

Accelerated corrosion of low carbon steel by oscillatory acidic streams generated with a bio-inspired claw device

Use of Electrochemical Noise for the Study of Corrosion by Passivated CUSTOM 450 and AM 350 Stainless Steels

Effect of Boron Addition on Microstructure and Corrosion Behaviour of Leaf Spring Steel in Automotive Suspension Systems

Contact Info

Product

Resources

About