Immersion Behavior of Carbon Steel, Phosphate Carbon Steel and Phosphate and Painted Carbon Steel in Saltwater

Bejinariu, Costică; Burduhos-Nergis, Diana-Petronela; Cimpoeşu, Nicanor

doi:10.3390/ma14010188

Cited by 21 publications

(17 citation statements)

References 35 publications

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“…Considering that the corrosion products can change the pH of the corrosion environment in which the samples are immersed [19], the evolution of this parameter must be In this study, the tested samples and the corrosive environment are represented as follows:…”

Section: Methodsmentioning

confidence: 99%

“…Based on previous publications [19,20], the corrosion resistance to atmospheric, Black Sea water, and pluvial water can be improved by phosphate coatings. However, in the case of firefighting operations, another media (i.e., fire extinguishing solution (FES) can significantly affect the behavior of the metallic components in their equipment.…”

Section: Introductionmentioning

confidence: 99%

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Phosphate Coatings: EIS and SEM Applied to Evaluate the Corrosion Behavior of Steel in Fire Extinguishing Solution

et al. 2021

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Phosphate coatings are one of the most important methods in preventing metal corrosion, especially iron alloys. The high interest in this method for industrial applications is mainly due to the low costs associated with the phosphating solution component and technological process. Considering this aspect and the advantages offered to the materials (corrosion resistance, good adhesion, wear resistance), this study evaluates the potential of using the phosphate coating method in health and safety applications. Therefore, the deposition of a layer of zinc phosphate on the steel surface used in the manufacture of components for personal protective equipment was approached. Firefighters, during rescue/evacuation operations, use protective equipment for fall arrest, whose accessories (hooks, carabiners) are made of steel. Due to the low corrosion resistance property of carbon steel, these accessories must be replaced frequently. This paper aims to analyze the possibility of improving the corrosion resistance of carbon steel in a fire extinguishing solution. Accordingly, the electrochemical behavior of two different types of coatings was studied by electrochemical impedance spectroscopy (EIS) and scanning electron microscope (SEM). In the literature, different corrosion evaluating methods or systems have been considered, and up until now, there has been no previous study to have approached the corrosive behavior of C45, phosphate C45, and painted phosphate C45 immersed in fire extinguishing solution.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Phosphate Coatings: EIS and SEM Applied to Evaluate the Corrosion Behavior of Steel in Fire Extinguishing Solution

et al. 2021

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“…The deposition of phosphate layers based on zinc and manganese was done by immersion on the surface of C45 quality carbon steel. This steel is widely used in various fields due to the low costs of obtaining and manufacturing it [14].…”

Section: Phosphate Coating -Spark Protectionmentioning

confidence: 99%

Phosphating Depositions for Equipment’s Used in Explosive Atmospheres

Burduhos-Nergis

Jurca²,

Popa³

et al. 2021

MATEC Web Conf.

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According to the ATEX directive, any personal protective equipment or work equipment intended to be used in a potentially explosive area must be made of materials that cannot be the source of mechanical or static electricity-related sparks. The carbon steel is one of the most widely used metallic materials, but the possibility of using it in the manufacture of equipment used in explosive environments is low. Therefore, the purpose of this article is to present an alternative solution to use metal equipment in potentially explosive atmospheres, by depositing a phosphate layer on the surface of the carbon steel. The metal was coated by a simple process, the metal being immersed in a phosphating solution based on zinc. Due to the properties of zinc phosphate deposited on the steel surface, especially electrical insulating, the steel coated with this type of layer can be used in explosive atmosphere.

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“…These conditions mean that the hull is often subject to complex stress conditions caused by the huge impact forces and periodic alternating loads that come from different directions [ 5 , 6 ]. In order to ensure the safety and reliability of the ocean vessels, major steel manufacturers are focused only on improving the toughness- and strength-related coupling performance of offshore structural steel, in addition to large-line heat-input welding properties and resistance to corrosion brought about by the ocean environment [ 7 , 8 , 9 , 10 ]. However, the fatigue resistance of high-strength offshore structural steel is also an important index that cannot be ignored.…”

Section: Introductionmentioning

confidence: 99%

Fatigue Crack Growth Behavior and Fracture Toughness of EH36 TMCP Steel

Zhu

Zhang²,

Peng

et al. 2021

Materials

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The fatigue crack growth behavior and fracture toughness of EH36 thermo-mechanical control process (TMCP) steel were investigated by fatigue crack growth rate testing and fracture toughness testing at room temperature. Scanning electron microscopy was used to observe the fracture characteristics of fatigue crack propagation and fracture toughness. The results indicated that the microstructure of EH36 steel is composed of ferrite and pearlite with a small amount of texture. The Paris formula was obtained based on the experimental data, and the value of fracture toughness for EH36 steel was also calculated using the J-integral method. The observations conducted on fatigue fracture surfaces showed that there were a lot of striations, secondary cracks and tearing ridges in the fatigue crack propagation region. Additionally, there existed many dimples on the fracture surfaces of the fracture toughness specimens, which indicated that the crack was propagated through the mechanism of micro-void growth/coalescence. Based on the micromechanical model, the relationship between the micro-fracture surface morphology and the fracture toughness of EH36 steel was established.

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Immersion Behavior of Carbon Steel, Phosphate Carbon Steel and Phosphate and Painted Carbon Steel in Saltwater

Cited by 21 publications

References 35 publications

Phosphate Coatings: EIS and SEM Applied to Evaluate the Corrosion Behavior of Steel in Fire Extinguishing Solution

Phosphate Coatings: EIS and SEM Applied to Evaluate the Corrosion Behavior of Steel in Fire Extinguishing Solution

Phosphating Depositions for Equipment’s Used in Explosive Atmospheres

Fatigue Crack Growth Behavior and Fracture Toughness of EH36 TMCP Steel

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