Corrosion failure analysis of low alloy steel and carbon steel rebar in tropical marine atmospheric environment: Outdoor exposure and indoor test

Dong, Bo‐Qing; Liu, Wei; Zhang, Tianyi; Chen, Longjun; Fan, Yongquan; Zhao, Yonggang; Yang, Wenke; Banthukul, Wongpat

doi:10.1016/j.engfailanal.2021.105720

Cited by 52 publications

(7 citation statements)

References 47 publications

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“…Corrosion failure of pipelines has always been a concern in the pipeline transportation industry [1][2][3][4][5]. A total of 25% of natural-gas-gathering pipelines suffered corrosion failure in the past 30 years according to the Pipeline and Hazardous Materials Safety Administration database [6], while 9% of natural-gas-gathering pipelines of the China National Petroleum Corporation experienced corrosion failure [7].…”

Section: Introductionmentioning

confidence: 99%

Localised corrosion failure of an L245N pipeline in a CO₂–O₂–Cl⁻ environment

Leng

Tian

Liao

et al. 2023

Corrosion Engineering, Science and Technology

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Multicomponent thermal fluid flooding has become a widely used and very effective heavy-oil recovery technology, but the harsh CO 2 -O 2 -Cl − environment can lead to serious corrosion perforation failure of the pipeline. Therefore, the influence of O 2 content and main controlling factors on corrosion perforation were investigated through a weight-loss experiment, corrosion defect test, characterization and grey correlation method. The results showed that, with the increase in O 2 content, the general corrosion rate and localized corrosion rate increased. The uneven protection performance of the product after the addition of O 2 was found to be the key cause of localized corrosion. In addition, the synergistic effect of O 2 -Cl − promoted the lateral and longitudinal expansion of pits. The results of the grey correlation showed that the temperature (30-120 °C) had a greater impact on localized corrosion compared with the content of O 2 (0-0.045 MPa) and Cl − (0-16,000 mg/L).

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Section: Introductionmentioning

confidence: 99%

Localised corrosion failure of an L245N pipeline in a CO₂–O₂–Cl⁻ environment

Leng

Tian

Liao

et al. 2023

Corrosion Engineering, Science and Technology

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“…Meanwhile, the addition of P results in the cold brittleness of steel [9]. Therefore, researchers have proposed various methods, such as grain refinement and the construction of a homogeneous microstructure [10][11][12][13], to improve the corrosion resistance of materials by improving the size and distribution of inclusions [14][15][16][17][18] and adjusting the ratio of the alloying elements [19,20]. Among these methods, RE treatment has significant advantages and has been widely investigated by many researchers [21,22].…”

Section: Introductionmentioning

confidence: 99%

Effect of addition of alumina and rare-earth oxide particles on the corrosion resistance and mechanism of low carbon low alloy steel

Gao

Xiao

Liu

et al. 2023

Mater. Res. Express

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The corrosion mechanism of the low carbon low alloy steel with Al2O3 particles and rare earth (RE) oxide particles was compared in a simulated marine environment. It is shown that when the Al2O3-containing particles are introduced, the number density of nonmetallic particles of the steel increases twice, and the average particle size decreases from approximately 2.4 μm to 1.4 μm. With the introduction of Al2O3-containing particles, the amount of pitting corrosion increases. Furthermore, pitting corrosion occurs more uniformly owing to the fineness of the Al2O3 particles, thereby leading to smaller, shallower pits after the Al2O3 particles are shed. Hence, the corrosion performance of the steel with Al2O3 particles is significantly improved than that of the steel without Al2O3 particles. By adding RE oxide particles into steel, the nonmetallic particles in steel are refined but not as effectively as that achieved by adding the Al2O3-containing particles. Different from Al2O3 particles, Cu is obviously enriched in the location of RE oxide particles at the initial corrosion stage, which makes the steel exhibit the best corrosion resistance. Cu enrichment is attributed to the mobile Cu present in the rust layer and to the micro acid region formed around the RE oxide particles.

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“…Traditional alloys are generally designed based on one main metal component plus a small number of other metal elements to improve or obtain the desired properties, which can not satisfy the application requirements of some complex industrial environments [1,2]. In addition, the drawback of this design method is that some complex compounds or unpredictable phase compositions can be generated.…”

Section: Introductionmentioning

confidence: 99%

Effect of HSO₃⁻ and alternating current on corrosion behaviour and mechanism of CoCrFeNi HEA in a simulated marine environment

Zhang

Zhu

et al. 2023

Corrosion Engineering, Science and Technology

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The corrosion behavior and mechanism of CoCrFeNi HEA under AC application were systematically studied in 3.5 wt.% NaCl solution containing different concentrations of NaHSO 3 . The results showed that the existence of HSO 3 − increased the defect density within the passivation film on the surface of the HEA. With the increase of HSO 3 − concentration, the passivation zone became narrow, E p shifted negatively, and i p increased, which indicated that the corrosion resistance of the HEA was weakened. When the HSO 3 − concentration increased to 0.1 M, a clear transition zone appeared, indicating that the increase in concentration reduced the passivity of the HEA, and its corrosion behavior changed from the typical passivation characteristic to the activation state with increasing i AC . The imposed AC promoted the nucleation of metastable pitting, which was indicated by a remarkable increase in the average pitting number density (N avg ) from 5 to 17 mm −2 with the enhancement of i AC .

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Corrosion failure analysis of low alloy steel and carbon steel rebar in tropical marine atmospheric environment: Outdoor exposure and indoor test

Cited by 52 publications

References 47 publications

Localised corrosion failure of an L245N pipeline in a CO₂–O₂–Cl⁻ environment

Localised corrosion failure of an L245N pipeline in a CO₂–O₂–Cl⁻ environment

Effect of addition of alumina and rare-earth oxide particles on the corrosion resistance and mechanism of low carbon low alloy steel

Effect of HSO₃⁻ and alternating current on corrosion behaviour and mechanism of CoCrFeNi HEA in a simulated marine environment

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Corrosion failure analysis of low alloy steel and carbon steel rebar in tropical marine atmospheric environment: Outdoor exposure and indoor test

Cited by 52 publications

References 47 publications

Localised corrosion failure of an L245N pipeline in a CO2–O2–Cl− environment

Localised corrosion failure of an L245N pipeline in a CO2–O2–Cl− environment

Effect of addition of alumina and rare-earth oxide particles on the corrosion resistance and mechanism of low carbon low alloy steel

Effect of HSO3− and alternating current on corrosion behaviour and mechanism of CoCrFeNi HEA in a simulated marine environment

Contact Info

Product

Resources

About

Localised corrosion failure of an L245N pipeline in a CO₂–O₂–Cl⁻ environment

Localised corrosion failure of an L245N pipeline in a CO₂–O₂–Cl⁻ environment

Effect of HSO₃⁻ and alternating current on corrosion behaviour and mechanism of CoCrFeNi HEA in a simulated marine environment