Molecular dynamics study on wetting behavior of aluminum plates with different surface energies by microstructure difference

Huang, Yuhua; Ye, Xia; Yang, Xiaohong; Kuang, Mingxin; Xu, Kaijie

doi:10.1016/j.commatsci.2023.112631

Computational Materials Science

2024

DOI: 10.1016/j.commatsci.2023.112631

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Molecular dynamics study on wetting behavior of aluminum plates with different surface energies by microstructure difference

Yuhua Huang,

Xia Ye,

Xiaohong Yang

et al.

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2024

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Cited by 2 publications

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Application of multifunctional wellbore cleaning fluid in the removal of residual drilling fluids in ultra-deep wells: Research progress and prospects

Song,

Guo,

et al. 2024

Geoenergy Science and Engineering

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Application of multifunctional wellbore cleaning fluid in the removal of residual drilling fluids in ultra-deep wells: Research progress and prospects

Song,

Guo,

et al. 2024

Geoenergy Science and Engineering

View full text Add to dashboard Cite

An equivalent surface model bridging intermolecular interactions and the normalization of substrate wettability

Peng,

Wang,

Wei

et al. 2024

Physics of Fluids

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A liquid deposited on a solid surface exhibits various wetting properties, primarily influenced by solid–liquid intermolecular interactions. Achieving a well-estimation of wetting behaviors on textured surfaces remains challenging because the influence of surface textures on intermolecular interactions is unclear. Here, an equivalent surface model is proposed to unify the wettability of both plane and textured substrates through intermolecular interactions. We show that by incorporating intermolecular interactions, lattice structures, and surface topographies, the substrate wettability can be tailored in an equivalent plane with the same average Lennard–Jones potential energy field E. The wettability of one substrate (plane or patterned) is transferred from non-wetting, partial wetting to complete wetting by adjusting the potential well depth of E, εa. With enhancing εa, complete wetting is achieved under the critical potential well depth of E, εac. Before εac, the spreading radius grows as R ∼ t1/1.47 until reaches equilibrium. In this scenario, the equilibrium contact angle θ and spreading factor β are strongly dependent on εa, and cos θ is linear to εa. When exceeding εac, complete wetting is achieved, and droplets spread with a precursor film as R ∼ t1/2.3 latterly. This model builds a bridge to link intermolecular interactions and substrate wettability normalization. This strategy offers a framework for substrate surface design and wettability manipulation, catering to applications such as photoresist-drop dispensing in nanoimprint lithography, surface design for grating antifouling, and anti-icing on aircraft surfaces.

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Molecular dynamics study on wetting behavior of aluminum plates with different surface energies by microstructure difference

Cited by 2 publications

References 40 publications

Application of multifunctional wellbore cleaning fluid in the removal of residual drilling fluids in ultra-deep wells: Research progress and prospects

Application of multifunctional wellbore cleaning fluid in the removal of residual drilling fluids in ultra-deep wells: Research progress and prospects

An equivalent surface model bridging intermolecular interactions and the normalization of substrate wettability

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