Electrochemical corrosion behavior of bronze materials in an acid‐containing simulated atmospheric environment

Cai, Lankun; Chen, Mengjie; Wang, Ying; Chen, Cheng; Zhang, Lehua; Zhou, Hao; Wu, Laiming; Yan, Ying

doi:10.1002/maco.201911196

Cited by 11 publications

(2 citation statements)

References 32 publications

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“…It is considered that Cu 2+ ions and metallic copper in the material will increase the corrosion rate of the aluminum anode, and the θ phase (CuAl 2 ) in the interface layer is more susceptible to corrosion than the α phase (Al). Pournazari et al, Gravina et al, Coelho et al, and Cai et al, used accelerated corrosion to simulate the service conditions of Cu–Al composites, and studied the effects of different service conditions on the corrosion behavior of Cu–Al composites, to try and develop anticorrosion measures. A common theme of these studies is to place the materials in an environment that is close to the actual service conditions and to investigate the corrosion behavior and corrosion mechanism of the materials by accelerated corrosion.…”

Section: Introductionmentioning

confidence: 99%

Salt‐spray corrosion behavior of a Cu–Al composite plate under AC current

Cheng

Yuan

Huang

et al. 2019

Materials & Corrosion

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Cu–Al composite plate corrosion tests, under a 0–100 A AC current, were conducted for 48 hr in a neutral salt spray. The morphology and corrosion products were studied by scanning electron microscope and X‐ray powder diffraction, through which the effect of the current was analyzed. Meanwhile, the rate and degree of corrosion were evaluated by weight loss, electrochemical and electrolytic conductivity detection methods. The results showed that when the current increased, the corrosion rate initially increased and then decreased. When the current value was 50 A, the corrosion rate was the highest. The corrosion of the Cu–Al composite plate mainly included galvanic corrosion at the interface and pitting on the aluminum matrix, with no corrosion on the copper matrix. The state of the passivation film changed to loose, peeling, rupture, accumulation, compact, and so on when the current value increased. The type of corrosion product was not affected by the current value. The current affects the electromobility of the chloride ions by influencing the conductivity of the corrosion medium. The higher the electromobility of the chloride ions, the less the destruction of the passivation film and as a result, there is a decreased rate and degree of corrosion.

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Section: Introductionmentioning

confidence: 99%

Salt‐spray corrosion behavior of a Cu–Al composite plate under AC current

Cheng

Yuan

Huang

et al. 2019

Materials & Corrosion

View full text Add to dashboard Cite

show abstract

“…It was mainly composed of three elements, namely, Cu, Sn and Pb. The presence of tin and lead not only improved the hardness of the alloy but also increased the uidity and formability of the alloy [1][2][3][4]. High Sn-Pb bronze has the advantages of high strength, low melting point, good castability, wear resistance and stable chemical properties, etc.…”

mentioning

confidence: 99%