Improved seawater corrosion resistance of electron beam melting Ti6Al4V titanium alloy by plasma nitriding

Li, Yang; Zhou, Zhen; Yi, Xuening; Yan, Jiwen; Xiu, Junjie; Fang, Dazhen; Shao, Minghao; Ren, Ping; He, Yongyong; Qiu, Jianxun

doi:10.1016/j.vacuum.2023.112463

Cited by 13 publications

(5 citation statements)

References 27 publications

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“…Chemical heat treatment can effectively improve the thermal fatigue resistance, wear resistance, and corrosion resistance of materials, and chemical heat treatment has a low cost, wide application, and mature technology [ 168 , 169 , 170 , 171 , 172 , 173 , 174 , 175 ]. After chemical heat treatment, the surface composition of the material will change [ 176 , 177 ]. After chemical heat treatment, the material surface’s hardness, strength, wear, and corrosion resistance are greatly improved [ 178 , 179 , 180 , 181 , 182 ].…”

Section: Surface Modification Methodsmentioning

confidence: 99%

Tribocorrosion and Surface Protection Technology of Titanium Alloys: A Review

Li,

Zhou,

2023

Materials

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Titanium alloy has the advantages of high specific strength, good corrosion resistance, and biocompatibility and is widely used in marine equipment, biomedicine, aerospace, and other fields. However, the application of titanium alloy in special working conditions shows some shortcomings, such as low hardness and poor wear resistance, which seriously affect the long life and safe and reliable service of the structural parts. Tribocorrosion has been one of the research hotspots in the field of tribology in recent years, and it is one of the essential factors affecting the application of passivated metal in corrosive environments. In this work, the characteristics of the marine and human environments and their critical tribological problems are analyzed, and the research connotation of tribocorrosion of titanium alloy is expounded. The research status of surface protection technology for titanium alloy in marine and biological environments is reviewed, and the development direction and trends in surface engineering of titanium alloy are prospected.

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Section: Surface Modification Methodsmentioning

confidence: 99%

Tribocorrosion and Surface Protection Technology of Titanium Alloys: A Review

Li,

Zhou,

2023

Materials

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“…Compared to other metallic materials, titanium exhibits higher activity at room temperature and reacts very easily in atmospheric and aqueous solutions to produce dense oxides. This formation of TiO 2 oxide film is the cornerstone of the exceptional corrosion resistance observed in titanium alloys [31]. Protected by the surface layer of oxide, titanium alloy products are well-suited for use in highly corrosive environments, such as marine engineering and oil extraction, maintaining their integrity under challenging work conditions.…”

Section: Corrosion-resistant Alloysmentioning

confidence: 99%

“…Taking nitriding treatment as an example, plasma nitriding (PN) is known to improve the surface hardness and corrosion resistance through the formation of a titanium nitride layer [38][39][40][41]. Li et al [31] compared the corrosion current densities of the electron-beam melting (EBM) Ti-6Al-4V alloy in seawater before and after PN treatment. They found that the corrosion current density of the alloy after PN (PN-EMM) was significantly lower than that of the original sample, which indicated that the corrosion resistance of the treated material was effectively improved.…”

Section: Corrosion-resistant Alloysmentioning

confidence: 99%

“…They found that the corrosion current density of the alloy after PN (PN-EMM) was significantly lower than that of the original sample, which indicated that the corrosion resistance of the treated material was effectively improved. The kinetic potential polarization curves of EBM and PN-EBM samples in natural seawater are illustrated in Figure 9 [31].…”

Section: Corrosion-resistant Alloysmentioning

confidence: 99%

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Overview of Surface Modification Techniques for Titanium Alloys in Modern Material Science: A Comprehensive Analysis

Gao,

Zhang,

et al. 2024

Coatings

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Titanium alloys are acclaimed for their remarkable biocompatibility, high specific strength, excellent corrosion resistance, and stable performance in high and low temperatures. These characteristics render them invaluable in a multitude of sectors, including biomedicine, shipbuilding, aerospace, and daily life. According to the different phases, the alloys can be broadly categorized into α-titanium and β-titanium, and these alloys demonstrate unique properties shaped by their respective phases. The hexagonal close-packed structure of α-titanium alloys is notably associated with superior high-temperature creep resistance but limited plasticity. Conversely, the body-centered cubic structure of β-titanium alloys contributes to enhanced slip and greater plasticity. To optimize these alloys for specific industrial applications, alloy strengthening is often necessary to meet diverse environmental and operational demands. The impact of various processing techniques on the microstructure and metal characteristics of titanium alloys is reviewed and discussed in this research. This article systematically analyzes the effects of machining, shot peening, and surface heat treatment methods, including surface quenching, carburizing, and nitriding, on the structure and characteristics of titanium alloys. This research is arranged and categorized into three categories based on the methods of processing and treatment: general heat treatment, thermochemical treatment, and machining. The results of a large number of studies show that surface treatment can significantly improve the hardness and friction mechanical properties of titanium alloys. At present, a single treatment method is often insufficient. Therefore, composite treatment methods combining multiple treatment techniques are expected to be more widely used in the future. The authors provide an overview of titanium alloy modification methods in recent years with the aim of assisting and promoting further research in the very important and promising direction of multi-technology composite treatment.

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“…Plasma nitriding/carbonitriding can increase the surface strength of the material, improve its tensile and compressive abilities, and form a compound layer of nitride or carbonitride, which can significantly reduce wear and friction [33,45,[50][51][52]. In addition, the compound can be formed, improving the material's corrosion resistance and prolonging its service life [53][54][55].…”

Section: Solid Lubrication Layer Plasma Surface Preparation Technolog...mentioning

confidence: 99%

Solid Lubrication System and Its Plasma Surface Engineering: A Review

Li,

Zhou,

2023

Lubricants

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In aerospace, aviation, nuclear power, and other high-tech fields, some essential moving parts must operate under high vacuum, high load, intense radiation, and other conditions. Under such extreme conditions, only solid lubricating materials can meet the lubrication requirements. Traditional material modification methods have problems such as high energy consumption, severe pollution, and narrow scope of application. Plasma modification technology can overcome these shortcomings. This paper focuses on several commonly used plasma preparation techniques for solid lubricating coatings, including plasma chemical heat treatment, physical vapor deposition, plasma immersion ion implantation and deposition, plasma spraying, and plasma electrolytic oxidation. Subsequently, the material systems of metal-based solid lubrication coatings are reviewed: soft metals, oxides, sulfides, nitrides, and carbon-based materials. Finally, found that the development of new solid lubricants, the improvement of existing preparation technology, and the development of new processes are the key development directions in the future.

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Improved seawater corrosion resistance of electron beam melting Ti6Al4V titanium alloy by plasma nitriding

Cited by 13 publications

References 27 publications

Tribocorrosion and Surface Protection Technology of Titanium Alloys: A Review

Tribocorrosion and Surface Protection Technology of Titanium Alloys: A Review

Overview of Surface Modification Techniques for Titanium Alloys in Modern Material Science: A Comprehensive Analysis

Solid Lubrication System and Its Plasma Surface Engineering: A Review

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