A Prediction of the Anticorrosion Life in a Steel Applying Zn–Al Thermal Metal Spraying Method Using an Electrochemical Experiment

Kang, Chang-Yong; Lee, H.; Tae, Sungho; Cho, Y.; Jang, H.; Lee, S.

doi:10.1080/10426910903388598

Cited by 4 publications

(2 citation statements)

References 2 publications

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“…Several studies can be found in the literature (Xu et al 1995) regarding the analysis of the corrosion resistance of TSZ (Table 2). In the study of Kang et al (2011), the 4. The galvanizing coating is characterized by a dense, fine, and highly adhered microstructure whereas the arc sprayed coating feature high porosity and roughness and visually lower adhesion.…”

Section: Zinc Protective Coatings By Wire Arc Sprayingmentioning

confidence: 99%

Evolution of TSA/TSZ coatings: a review on recent advances on cold gas spraying for steel corrosion protection

et al. 2021

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For decades, zinc- and aluminum-based coatings have been considered the best material choice for steel corrosion protection since they may act as a protective barrier and show sacrificial behavior. These coatings are often prepared by galvanizing methods. However, their application by thermal spraying techniques (wire arc spraying, WAS and flame spraying, FS) has been proved as a cost-effective solution for the preparation of long-term corrosion-resistant coatings. This review selectively collects the most relevant information about the application and performance of these two techniques on Zn and Al coatings for corrosion protection. The report summarizes separately the Zn and Al data from the effect of the spraying parameters on coating properties on the one hand, and the results shown in long-term studies carried out in relevant and real exposure conditions, on the other. Finally, this review includes a description and comparison of the most recent advances found out with the novel and emerging spray technique, cold gas spray, for the deposition of Zn and Al coatings for corrosion protection purposes. Nevertheless, the use of this technique has not reached the stage of wide industrial application yet and therefore its long-term performance is unknown, which suggests that there is still room for further development.

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Section: Zinc Protective Coatings By Wire Arc Sprayingmentioning

confidence: 99%

Evolution of TSA/TSZ coatings: a review on recent advances on cold gas spraying for steel corrosion protection

et al. 2021

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“…Thus, it is of great importance to select an appropriate thermal metal spraying method depending on the environmental conditions, as the anti-corrosion performance of the arc thermal metal spraying method (ATMSM) is highly influenced by the types of metals used [ 10 , 11 ]. In addition, the thermal spraying layer has a porous structure, and the characteristics of the anti-corrosion criteria vary with the process of applying the sealing coating that fills the pores [ 12 ]. Meanwhile, a quantitative study of this method with electrochemical experiments is needed, as conventional experiments, such as CASS (Copper ions accelerated salt spray) testing and salt spraying testing, have a qualitative limitation in the evaluation of the durability lifetime in ATMSM [ 13 , 14 , 15 , 16 , 17 ].…”

Section: Introductionmentioning

confidence: 99%

Experimental Study on the Electrochemical Anti-Corrosion Properties of Steel Structures Applying the Arc Thermal Metal Spraying Method

2014

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The arc thermal metal spraying method (ATMSM) provides proven long-term protective coating systems using zinc, aluminum and their alloys for steel work in a marine environment. This paper focuses on studying experimentally the anti-corrosion criteria of ATMSM on steel specimens. The effects of the types of spraying metal and the presence or absence of sealing treatment from the thermal spraying of film on the anti-corrosion performance of TMSM were quantitatively evaluated by electrochemical techniques. The results showed that ATMSM represented a sufficient corrosion resistance with the driving force based on the potential difference of more than approximately 0.60 V between the thermal spraying layer and the base substrate steel. Furthermore, it was found that the sealing treatment of specimens had suppressed the dissolution of metals, increased the corrosion potential, decreased the corrosion current density and increased the polarization resistance. Metal alloy Al–Mg (95%:5%) by mass with epoxy sealing coating led to the most successful anti-corrosion performance in these electrochemical experiments.

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Microstructure and corrosion behavior of arc sprayed Zn-xAl (x = 15, 30, 50) alloy coatings in NaCl solution

Hu¹,

Zhang²,

Wei³

et al. 2019

Mater. Res. Express

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A Prediction of the Anticorrosion Life in a Steel Applying Zn–Al Thermal Metal Spraying Method Using an Electrochemical Experiment

Cited by 4 publications

References 2 publications

Evolution of TSA/TSZ coatings: a review on recent advances on cold gas spraying for steel corrosion protection

Evolution of TSA/TSZ coatings: a review on recent advances on cold gas spraying for steel corrosion protection

Experimental Study on the Electrochemical Anti-Corrosion Properties of Steel Structures Applying the Arc Thermal Metal Spraying Method

Microstructure and corrosion behavior of arc sprayed Zn-xAl (x = 15, 30, 50) alloy coatings in NaCl solution

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