Corrosion product film formed on the 90/10 copper–nickel tube in natural seawater: Composition/structure and formation mechanism

Ma, Aiyuan; Jiang, Shangfeng; Zheng, Yuan; Ke, Wei

doi:10.1016/j.corsci.2014.11.028

Cited by 165 publications

(59 citation statements)

References 43 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Ma et al (2015) proposed that Cu 2 (OH) 3 Cl was the oxidation product of Cu(I) oxide which increased the corrosion resistance of SS. This may explain why 2205 Cu-DSS showed a better MIC resistance performance than 2205 DSS.…”

Section: Discussionmentioning

confidence: 99%

Laboratory investigation of the microbiologically influenced corrosion (MIC) resistance of a novel Cu-bearing 2205 duplex stainless steel in the presence of an aerobic marinePseudomonas aeruginosabiofilm

et al. 2015

View full text Add to dashboard Cite

The microbiologically influenced corrosion (MIC) resistance of a novel Cu-bearing 2205 duplex stainless steel (2205 Cu-DSS) against an aerobic marine Pseudomonas aeruginosa biofilm was investigated. The electrochemical test results showed that Rp increased and icorr decreased sharply after long-term immersion in the inoculation medium, suggesting that 2205 Cu-DSS possessed excellent MIC resistance to the P. aeruginosa biofilm. Fluorescence microscope images showed that 2205 Cu-DSS possessed a strong antibacterial ability, and its antibacterial efficiency after one and seven days was 7.75% and 96.92%, respectively. The pit morphology comparison after 14 days between 2205 DSS and 2205 Cu-DSS demonstrated that the latter showed a considerably reduced maximum MIC pit depth compared with the former (1.44 μm vs 9.50 μm). The experimental results suggest that inhibition of the biofilm was caused by the copper ions released from the 2205 Cu-DSS, leading to its effective mitigation of MIC by P. aeruginosa.

show abstract

Section: Discussionmentioning

confidence: 99%

Laboratory investigation of the microbiologically influenced corrosion (MIC) resistance of a novel Cu-bearing 2205 duplex stainless steel in the presence of an aerobic marinePseudomonas aeruginosabiofilm

et al. 2015

View full text Add to dashboard Cite

show abstract

“…The presence of the main constituent for corrosion protection, Cu 2 O, was identified for both pure Cu-Ni and Cu-Ni-0.15% Mt (as well as the Cu-Ni-0.05% Mt and Cu-Ni-0.10% Mt samples). Ma et al also showed X-ray diffraction reflections for Cu 2 O in the corrosion products of a 90-10 Cu-Ni sample left in natural seawater [32]. When the concentration of nickel is below 40%, an outer layer of Cu 2 (OH) 3 Cl and a dense inner layer of Cu 2 O have been shown to be the passivating layers in high chloride environments [30].…”

Section: Potentiodynamic Polarizationmentioning

confidence: 99%

“…International Journal of Corrosion 9 layer is produced by precipitation from the dissolution of Cu 2+ ions [30,32]. For the electrodeposited coatings, the X-ray diffraction data indicates that, for the 30-day time period, Cu 2 O begins formation on the surface of the coatings.…”

Section: CLmentioning

confidence: 99%

Metal Matrix Composite Coatings of Cupronickel Embedded with Nanoplatelets for Improved Corrosion Resistant Properties

Thurber

Ahmad

Calhoun

et al. 2018

International Journal of Corrosion

View full text Add to dashboard Cite

The deterioration of metals under the influence of corrosion is a costly problem faced by many industries. Therefore, particlereinforced composite coatings are being developed in different technological fields with high demands for corrosion resistance. This work studies the effects of nanoplatelet reinforcement on the durability, corrosion resistance, and mechanical properties of copper-nickel coatings. A 90 : 10 Cu-Ni alloy was coelectrodeposited with nanoplatelets of montmorillonite (Mt) embedded into the metallic matrix from electrolytic baths containing 0.05, 0.10, and 0.15% Mt. X-ray diffraction of the coatings indicated no disruption of the crystal structure with addition of the nanoplatelets into the alloy. The mechanical properties of the coatings improved with a 17% increase in hardness and an 85% increase in shear adhesion strength with nanoplatelet incorporation. The measured polarization resistance increased from 11.77 kΩ⋅cm 2 for pure Cu-Ni to 33.28 kΩ⋅cm 2 for the Cu-Ni-0.15% Mt coating after soaking in a simulated seawater environment for 30 days. The incorporation of montmorillonite also stabilized the corrosion potential during the immersion study and increased resistance to corrosion.

show abstract

“…Copper-base alloys have been widely used in the maritime area, such as in condenser tubes, immersion equipment, and underwater robots [11][12][13]. For this kind of alloy, it is important to know the corrosion behavior as well as the speed at which the process occurs in order to determine their behavior in different saline environments [14].…”

Section: Introductionmentioning

confidence: 99%

Effects of Mo Concentration on the Structural and Corrosion Properties of Cu–Alloy

Hernández

Aguilar

Medína

2019

Metals

View full text Add to dashboard Cite

Mechanical Alloying (MA) has the ability to extend the solubility limits of immiscible alloys in a solid state. In this work, a Cu-10 wt% Mo alloy was synthesized by mechanical alloying, using a high-energy mill type SPEX. The X-ray diffraction and Rietveld results show a crystallite size of 24 and 22 nm of Cu and Mo, respectively, with an occupation value of Mo inside the Cu structure of 27%, which was identificated by Energy Dispersive X-ray Spectroscopy and High-Resolution Transmission Electron Microscopy analysis. After that, the alloy was sinterized in an oven, heating the alloy to 1000 °C—close to the melting point of Cu (1085 °C). Electrochemical tests were carried out under a saline environment of synthetic seawater. The results show that the polarization curve of the alloy showed a pitting corrosion at about 134.83 mV, as well as a repasivation phenomenon (Erp = 241.47 mV) in the cathodic branch. Finally, three time constants were observed in the Nyquist diagrams: formation of a corrosion product film, load transfer, and diffusion, indicating that the corrosion properties in this alloy were improved compared with other Cu–alloys.

show abstract

Corrosion product film formed on the 90/10 copper–nickel tube in natural seawater: Composition/structure and formation mechanism

Cited by 165 publications

References 43 publications

Laboratory investigation of the microbiologically influenced corrosion (MIC) resistance of a novel Cu-bearing 2205 duplex stainless steel in the presence of an aerobic marinePseudomonas aeruginosabiofilm

Laboratory investigation of the microbiologically influenced corrosion (MIC) resistance of a novel Cu-bearing 2205 duplex stainless steel in the presence of an aerobic marinePseudomonas aeruginosabiofilm

Metal Matrix Composite Coatings of Cupronickel Embedded with Nanoplatelets for Improved Corrosion Resistant Properties

Effects of Mo Concentration on the Structural and Corrosion Properties of Cu–Alloy

Contact Info

Product

Resources

About