Control of the grain structure and wear behavior of a Y2O3 nanoparticle dispersed Stellite 6 alloy fabricated by laser-directed energy deposition

Suh, Joowon; Chun, Young-Bum; Jin, Hyung-Ha; Kang, Suk Hoon; Han, Heung Nam

doi:10.1016/j.jallcom.2024.175326

Journal of Alloys and Compounds

2024

DOI: 10.1016/j.jallcom.2024.175326

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Control of the grain structure and wear behavior of a Y2O3 nanoparticle dispersed Stellite 6 alloy fabricated by laser-directed energy deposition

Joowon Suh,

Young-Bum Chun,

Hyung-Ha Jin

et al.

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Progress of Multidimensional Nano-Additives under Dry/Liquid Wear: A Review

Xiao,

Wu,

Yang

et al. 2024

Lubricants

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An investigation of the interaction between multidimensional nano-additives and tribofilms is crucial for enhancing mechanical efficiency, extending equipment lifespan, and reducing environmental impacts. Improved tribofilm performance is obtained via several mechanisms: filling surface defects with 0D nano-additives, directional lubrication for 1D nano-additives, interlayer slippage for 2D nano-additives, and improved film durability for 3D nano-additives. Under dry lubrication, the formation of tribofilms via mechanical mixing is influenced by material hardness, surface roughness, and frictional conditions, with their thicknesses increasing by 20–30% under high loading. Conversely, liquid-lubricated films result from the physical adsorption and chemical reactions of the lubricants, with extremely high pressure additives reducing the friction coefficient by 30–50% at high pressure. A greater understanding of these mechanisms is beneficial for optimizing industrial technologies and developing efficient, eco-friendly lubrication systems.

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Progress of Multidimensional Nano-Additives under Dry/Liquid Wear: A Review

Xiao,

Wu,

Yang

et al. 2024

Lubricants

View full text Add to dashboard Cite

show abstract

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Control of the grain structure and wear behavior of a Y2O3 nanoparticle dispersed Stellite 6 alloy fabricated by laser-directed energy deposition

Cited by 1 publication

References 64 publications

Progress of Multidimensional Nano-Additives under Dry/Liquid Wear: A Review

Progress of Multidimensional Nano-Additives under Dry/Liquid Wear: A Review

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