Corrosion Behavior of Electrodeposited ZnNi Alloy–CeO2 Modified SiO2 Particle Composite Coatings

Hương, Nguyễn Thị Thanh; Liu, Bao; Thang, Le Ba; Chien, Nguyen Van; Nam, Truong Thi; Khuong, Nguyen Van

doi:10.1134/s0036024421040099

Cited by 2 publications

(1 citation statement)

References 9 publications

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“…Similarity, adding other nanoparticles, such as Sm 2 O 3 , niobium pentoxide, aluminium oxide nanoparticles, on the Zn–Ni bath, also enhanced the corrosion resistance of the coatings (El Boraei and Ibrahim, 2022; Moreira et al , 2022; Kannan et al , 2023). Loading inhibitors to the nanoparticles/nanocontainers before adding them to the plating electrolytic bath have been developed by our group recently to extend further corrosion resistance of ZnNi coating system (Nguyen et al , 2020; Huong et al , 2021).…”

Section: Introductionmentioning

confidence: 99%

Effects of nano-SiO₂ and trivalent chromium conversion on corrosion resistance of NiZn-plated steel: towards a multilayer coating for steel protection

Nguyen

Thi²,

Ba³

et al. 2022

ACMM

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Purpose This study aims to enhance to corrosion protection of NiZn-plated steel by electroplating multilayer coating. Design/methodology/approach The multilayer coating consists of three layers on mild steel substrate, such as Cr3+ chromate conversion layer (CCC), electrodeposited nanosilica zinc-nickel composite layer (ZnNiSi) and electrodeposited zinc-nickel alloy layer (ZnNi). Its morphology, composition and corrosion behaviour were investigated by various methods. Findings Polarization curves indicated that polarization resistance and corrosion current density of CCC/ZnNiSi/ZnNi/Fe (6.956 kO.cm2; 2.56 µA.cm−2) were two times higher and five times lower than that of ZnNiSi/ZnNi/Fe (3.42 kO.cm2; 12.52 µA.cm−2), respectively. From electrochemical impedance spectroscopy data, charge transfer resistances were 1.344, 2.550 and 2.312 kO.cm2 for ZnNi, ZnNiSi/ZnNi and CCC/ZnNiSi/ZnNi, respectively. Salt spray test indicated that after 48 h, surface of ZnNi and ZnNiSi was covered by white rust, whereas no white rust was observed on surface of CCC/ZnNiSi/ZnNi. After 600 h, there were red rust spots (1% surface coverage) on surface of Zn-Ni, whereas only white rust was observed on both ZnNiSi/ZnNi (100% surface coverage) and CCC/ZnNiSi/ZnNi (10% surface coverage). Originality/value Multilayer coating enhanced significantly the corrosion protection for steel, as compared to the single-layer coating.

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Section: Introductionmentioning

confidence: 99%

Effects of nano-SiO₂ and trivalent chromium conversion on corrosion resistance of NiZn-plated steel: towards a multilayer coating for steel protection

Nguyen

Thi²,

Ba³

et al. 2022

ACMM

View full text Add to dashboard Cite

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Salt Water Corrosion Behaviour of Composite Coated Al-6061 Developed Through HVOF

Srinath¹,

Nagendra²,

Ravikumar³

et al. 2023

J. Inst. Eng. India Ser. C

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Corrosion Behavior of Electrodeposited ZnNi Alloy–CeO2 Modified SiO2 Particle Composite Coatings

Cited by 2 publications

References 9 publications

Effects of nano-SiO₂ and trivalent chromium conversion on corrosion resistance of NiZn-plated steel: towards a multilayer coating for steel protection

Effects of nano-SiO₂ and trivalent chromium conversion on corrosion resistance of NiZn-plated steel: towards a multilayer coating for steel protection

Salt Water Corrosion Behaviour of Composite Coated Al-6061 Developed Through HVOF

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Corrosion Behavior of Electrodeposited ZnNi Alloy–CeO2 Modified SiO2 Particle Composite Coatings

Cited by 2 publications

References 9 publications

Effects of nano-SiO2 and trivalent chromium conversion on corrosion resistance of NiZn-plated steel: towards a multilayer coating for steel protection

Effects of nano-SiO2 and trivalent chromium conversion on corrosion resistance of NiZn-plated steel: towards a multilayer coating for steel protection

Salt Water Corrosion Behaviour of Composite Coated Al-6061 Developed Through HVOF

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Product

Resources

About

Effects of nano-SiO₂ and trivalent chromium conversion on corrosion resistance of NiZn-plated steel: towards a multilayer coating for steel protection

Effects of nano-SiO₂ and trivalent chromium conversion on corrosion resistance of NiZn-plated steel: towards a multilayer coating for steel protection