Corrosion behavior of 316L and 304 stainless steels exposed to industrial-marine-urban environment: field study

Dhaiveegan, Periyathambi; Elangovan, N.; Nishimura, Toshiyasu; Rajendran, N.

doi:10.1039/c6ra04015b

Cited by 55 publications

(25 citation statements)

References 50 publications

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“…Below this threshold the corrosion rate of carbon steel samples was found to be independent of the Cl − deposition rate. The role of critical concentration of Cl − in the formation of akaganeite was also recently observed by Dhaiveegan et al, where the akaganeite corresponding Raman band appeared only after 2 years of exposure of 316 L and 304 stainless steels to industrial-marine-urban environment [81]. It was also showed that the characteristics of the rust layer on mild steel depend on the atmosphere salinity (chlorine ion deposition rate).…”

Section: Resultssupporting

confidence: 56%

Vibrational Spectroscopy in Studies of Atmospheric Corrosion

Hosseinpour

Johnson

2017

Materials

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Vibrational spectroscopy has been successfully used for decades in studies of the atmospheric corrosion processes, mainly to identify the nature of corrosion products but also to quantify their amounts. In this review article, a summary of the main achievements is presented with focus on how the techniques infrared spectroscopy, Raman spectroscopy, and vibrational sum frequency spectroscopy can be used in the field. Several different studies have been discussed where these instruments have been used to assess both the nature of corrosion products as well as the properties of corrosion inhibitors. Some of these techniques offer the valuable possibility to perform in-situ measurements in real time on ongoing corrosion processes, which allows the kinetics of formation of corrosion products to be studied, and also minimizes the risk of changing the surface properties which may occur during ex-situ experiments. Since corrosion processes often occur heterogeneously over a surface, it is of great importance to obtain a deeper knowledge about atmospheric corrosion phenomena on the nano scale, and this review also discusses novel vibrational microscopy techniques allowing spectra to be acquired with a spatial resolution of 20 nm.

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Section: Resultssupporting

confidence: 56%

Vibrational Spectroscopy in Studies of Atmospheric Corrosion

Hosseinpour

Johnson

2017

Materials

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“…3a and b, black line). Peak at 300 cm −1 is assigned to goethite of the 316L SS substrate [36]. After 7 days of incubation, differences between TiO 2 /HAP bilayer and composite were clearly distinguished.…”

Section: Physical and Morphological Characterizationmentioning

confidence: 96%

Biocompatibility of sol-gel hydroxyapatite-titania composite and bilayer coatings

Sidane

Rammal

Beljebbar

et al. 2017

Materials Science and Engineering: C

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Titania-Hydroxyapatite (TiO/HAP) reinforced coatings are proposed to enhance the bioactivity and corrosion resistance of 316L stainless steel (316L SS). Herein, spin- and dip-coating sol-gel processes were investigated to construct two kinds of coatings: TiO/HAP composite and TiO/HAP bilayer. Physicochemical characterization highlighted the bioactivity response of the TiO/HAP composite once incubated in physiological conditions for 7days whereas the TiO/HAP bilayer showed instability and dissolution. Biological analysis revealed a failure in human stem cells adhesion on TiO/HAP bilayer whereas on TiO/HAP composite the presence of polygonal shaped cells, possessing good behaviour attested a good biocompatibility of the composite coating. Finally, TiO/HAP composite with hardness up to 0.6GPa and elastic modulus up to 18GPa, showed an increased corrosion resistance of 316L SS. In conclusion, the user-friendly sol-gel processes led to bioactive TiO/HAP composite buildup suitable for biomedical applications.

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“…Small pits are present in the passive layer, and the penetration of the pits increases with an Fig. 6 SEM images of 316L stainless steels exposed to the environment [80] (Copyright 2016, RSC Advances) Fig. 7 SEM images of austenitic stainless steels exposed to various high temperatures [84] (Copyright 2017, Elsevier) increasing chloride-ion concentration.…”

Section: Surface Morphology and Chemical Compositionmentioning

confidence: 99%

A review of passivity breakdown on metal surfaces: influence of chloride- and sulfide-ion concentrations, temperature, and pH

2021

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Metals, including austenitic steels and alloys, have been extensively applied in industrial and engineering applications. Passive films on metal surfaces are very important for corrosion protection. However, localized attack, such as passive film breakdown and the initiation of pits, is found upon exposure of such metals to aggressive ion-containing environments, leading to material failure and prominent adverse economic and safety concerns. For several decades, the mechanism of passivity breakdown and pit nucleation during pitting corrosion has been widely studied. The present article provides a detailed review of passive film breakdown on metal surfaces and the effects of complicated conditions, such as chloride- and sulfide-ion concentrations, temperature, and solution pH, on passivity breakdown. The possible mechanism for passivity breakdown is reviewed and discussed. The composition, structure, and electronic properties of passive layers are of conclusive importance to understand the leading corrosion mechanism, and they have been investigated with different techniques. Furthermore, we aim to present the structure, chemical composition, and electronic properties of passive films on metal surfaces by using X-ray photoelectron spectroscopy and energy-dispersive spectroscopy. Additionally, the surface morphology of passive films is analyzed by scanning electron microscopy (SEM), transmission electron microscopy (TEM), and atomic force microscopy (AFM) techniques. Finally, the effect of chloride- and sulfide-ion concentrations, pH, and temperature on passivity breakdown is discussed in detail.

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Corrosion behavior of 316L and 304 stainless steels exposed to industrial-marine-urban environment: field study

Abstract: The present investigation extensively compares the pitting corrosion behavior and mechanical stability of 316L and 304 stainless steels (SS) exposed to an Industrial-Marine-Urban (IMU) environment for 3 years from April 2012–March 2015.

Cited by 55 publications

References 50 publications

Vibrational Spectroscopy in Studies of Atmospheric Corrosion

Vibrational Spectroscopy in Studies of Atmospheric Corrosion

Biocompatibility of sol-gel hydroxyapatite-titania composite and bilayer coatings

A review of passivity breakdown on metal surfaces: influence of chloride- and sulfide-ion concentrations, temperature, and pH

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