Corrosion Behavior of Passivated CUSTOM450 and AM350 Stainless Steels for Aeronautical Applications

Samaniego-Gámez, Oliver; Almeraya-Calderón, Facundo; Chacón-Nava, J.G.; Maldonado-Bandala, Erick; Nieves-Mendoza, Demetrio; Ríos, Juan Pablo Flores-De los; Jáquez-Muñoz, Jesús Manuel; Delgado, Anabel D.; Gaona-Tiburcio, C.

doi:10.3390/met12040666

Cited by 15 publications

(12 citation statements)

References 82 publications

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“…The HHT analysis reveals this unstable passive layer, with the samples exhibiting localized corrosion preponderance. This outcome confirms the findings of Samaniego et al [15], who reported localized corrosion in the samples passivated in nitric acid. In contrast to the nitric acid-passivated PHSS, the citric acid-passivated PHSS showed a greater tendency toward localized corrosion.…”

Section: Discussionsupporting

confidence: 92%

“…However, the passivation in nitric acid presented a greater energy accumulation at the middle and high frequencies, indicating localized corrosion. In the research of Lara et al, Samaniego et al, and Gaydos et al [7,14,15,77,78], it was concluded that nitric acid raises the passive layer's chromium content, clearing MnS inclusions from the surface and raising the likelihood of individual pitting. Because of the presence of MnS, the samples passivated in nitric acid in this study showed higher corrosion than those passivated in citric acid.…”

Section: Discussionmentioning

confidence: 99%

“…Citric acid is an alternative for this type of treatment due to its low toxicity and being environmentally friendly. It is also used in low concentrations of around 10%, while nitric acid is usually used in concentrations of 40% [14,15].…”

Section: Introductionmentioning

confidence: 99%

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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

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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.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 99%

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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

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“…Stainless steel has been widely used in various applications because of its excellent mechanical properties, corrosion resistance and good welding performance, such as biomedical equipment, nuclear industry components, precision instruments, aviation, automotive industry, batteries and so on [73][74][75][76][77][78]. The welding of stainless steel usually does not require pre-welding or post-welding heat treatment, because unlike low-carbon steel alloy, there is no Martensite structure in HAZ [79].…”

Section: Welding Of Steel Battery Housingmentioning

confidence: 99%

Application of Laser Welding in Electric Vehicle Battery Manufacturing: A Review

et al. 2023

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Electric vehicle battery systems are made up of a variety of different materials, each battery system contains hundreds of batteries. There are many parts that need to be connected in the battery system, and welding is often the most effective and reliable connection method. Laser welding has the advantages of non-contact, high energy density, accurate heat input control, and easy automation, which is considered to be the ideal choice for electric vehicle battery manufacturing. However, the metal materials used for the electrodes of the battery and the connectors used to connect the battery are not the same, so the different materials need to be welded together effectively. Welding different materials together is associated with various difficulties and challenges, as more intermetallic compounds are formed, some of which can affect the microstructure, electrical and thermal properties of the joint. Because the common material of the battery housing is steel and aluminum and other refractory metals, it will also face various problems. In this paper reviews, the challenges and the latest progress of laser welding between different materials of battery busbar and battery pole and between the same materials of battery housing are reviewed. The microstructure, metallographic defects and mechanical properties of the joint are discussed.

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“…Past research [26][27][28][29][30] demonstrated that the natural passive layer of titanium is susceptible to Cl − ion attacks because the diffusion of Cl − ions weakens the oxide layer. The presence of Cl − and OH − in passive materials increases the corrosion rates by interstitial penetration [31][32][33][34].…”

Section: Introductionmentioning

confidence: 99%

Corrosion of Titanium Alloys Anodized Using Electrochemical Techniques

Jáquez-Muñoz

Gaona-Tiburcio

Méndez-Ramírez

et al. 2023

Metals

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The anodization of titanium has been an excellent option for protecting titanium and its alloys from corrosive environments such as acids and chloride systems, by generating a homogenous oxide layer. The objective of the current investigation was to evaluate the electrochemical corrosion behavior of alloys Ti-6Al-2Sn-4Zr-2Mo and Ti-6Al-4V anodized in 1M H2SO4 and H3PO4 solutions at a current density of 2.5 × 10–3 A/cm2. The anodization’s electrochemical characterization was achieved in NaCl and H2SO4 at 3.5% wt. electrolytes. Scanning electron microscopy (SEM) was employed to determine the anodized thickness and morphology. Cyclic potentiodynamic polarization (CPP) and electrochemical impedance spectroscopy (EIS), based on ASTM G61-86 and G106-15 Standards, were the electrochemical techniques mainly employed. The anodized samples presented a change in Ecorr values and a higher passivation zone. The EIS plot showed a higher resistance for samples anodized in H3PO4 and Ti-6Al-2Sn-4Zr-2Mo.

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Corrosion Behavior of Passivated CUSTOM450 and AM350 Stainless Steels for Aeronautical Applications

Cited by 15 publications

References 82 publications

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

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

Application of Laser Welding in Electric Vehicle Battery Manufacturing: A Review

Corrosion of Titanium Alloys Anodized Using Electrochemical Techniques

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