Stress corrosion of pipeline steel under disbonded coating in a SRB-containing environment

Wu, Tangqing; Mao, Yan; Yu, Libao; Zhao, Hang; Sun, Cheng; Yin, Fucheng; Ke, Wei

doi:10.1016/j.corsci.2019.06.026

Cited by 96 publications

(21 citation statements)

References 41 publications

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“…It can be reasonably assumed that the electron acquisition process of SRB plays an important role in the corrosion process. Consequently, the sulfide and electron acquisition process is the main mechanism of local corrosion caused by SRB [11]. Rao et al [10] studied the MIC of ASTM Grade 2 titanium, which proves that the final corrosion product is TiS 2 .…”

Section: Surface Analysismentioning

confidence: 99%

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Corrosion Behavior of the Ti–6Al–4V Alloy in Sulfate-Reducing Bacteria Solution

et al. 2019

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The corrosion behavior of the Ti-6Al-4V alloy was investigated in a sulfate-reducing bacteria (SRB) solution. The results showed that sulfate-reducing bacteria has good affinity with the surface of the Ti-6Al-4V alloy after 5 days. A potentiodynamic polarization test demonstrated that the corrosion resistance of the Ti-6Al-4V alloy was initially improved but deteriorated quickly in the subsequent period. The corrosion mechanism of the Ti-6Al-4V alloy was revealed by analyzing its microstructure with the aid of scanning electron microscopy, X-ray photoelectron spectroscopy and X-ray fluorescence. The pitting corrosion was deemed to be a typical cause of the corrosion behavior of the alloy in the SRB solution. The underlying mechanism of the pitting corrosion was proposed for the alloy.

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Section: Surface Analysismentioning

confidence: 99%

“…Typically, sulfate-reducing bacteria (SRB) actively assume the role as corrosive bacteria that can erode most metallic materials (e.g., steel [6][7][8], aluminum alloy [6,7,9], and pure titanium [10]). Furthermore, external factors can also affect the corrosion rate of metals by SRB, such as stress [11] and Fe 2+ in the SRB solution [12].…”

Section: Introductionmentioning

confidence: 99%

Corrosion Behavior of the Ti–6Al–4V Alloy in Sulfate-Reducing Bacteria Solution

et al. 2019

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“…The biofilm thickness measured is 20 µm. Additionally, the SRB biofilm observed is sparse, which is mainly attributed to the depletion of nutrients in the solution after 14 days of immersion [12,30].…”

Section: Live/dead Stainingmentioning

confidence: 99%

Effect of Sulfate-Reducing Bacteria (SRB) on the Corrosion of Buried Pipe Steel in Acidic Soil Solution

Chen

Wei

2021

Coatings

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The influence of sulfate-reducing bacteria (SRB) on the corrosion behaviors of X80 pipeline steel was investigated in a soil environment by electrochemical techniques and surface analysis. It was found that SRB grew well in the acidic soil environment and further attached to the coupon surface, resulting in microbiologically influenced corrosion (MIC) of the steel. The corrosion process of X80 steel was significantly affected by the SRB biofilm on the steel surface. Steel corrosion was inhibited by the highly bioactive SRB biofilm at the early stage of the experiment, while SRB can accelerate the corrosion of steel at the later stage of the experiment. The steel surface suffered severe pitting corrosion in the SRB-containing soil solution.

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“…As a consequence, cracking failures will occur (Wu et al, 2018b). By studying the corrosion behavior of a steel pipeline under the combined action of SRB and external stresses (Wu et al, 2019), a synergistic effect was found on the corrosion of the pipe by the formation of secondary pitting in addition to the primary pitting (i.e. enhanced corrosion).…”

Section: Corrosion Caused By Srbmentioning

confidence: 99%

Corrosion and sulfur-related bacteria

Wu¹,

Wang²,

Wang³

2020

Environmental Technologies to Treat Sulphur Pollution: Principles and Engineering

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Concrete and carbon steel are among the most used materials in many industries, such as infrastructure, transportation and manufacturing. Surfaces of both materials, when exposed to non-sterile environments, can be the sites of biological activities of various microorganisms. Many of the activities are deleterious. From the long-term perspective, both concrete and metal can deteriorate and may ultimately lose their original functionalities. The deterioration of materials caused by microorganisms is known as microbiologically influenced (induced) corrosion (MIC)

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Stress corrosion of pipeline steel under disbonded coating in a SRB-containing environment

Cited by 96 publications

References 41 publications

Corrosion Behavior of the Ti–6Al–4V Alloy in Sulfate-Reducing Bacteria Solution

Corrosion Behavior of the Ti–6Al–4V Alloy in Sulfate-Reducing Bacteria Solution

Effect of Sulfate-Reducing Bacteria (SRB) on the Corrosion of Buried Pipe Steel in Acidic Soil Solution

Corrosion and sulfur-related bacteria

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