Influence of pretreatments on physicochemical properties of Ni-P coatings electrodeposited on aluminum alloy

Wang, Yuxin; Guan, Linlin; He, Zhen; Zhang, Shengping; Singh, Harshpreet; Hayat, Muhammad Dilawer; Yao, Caizhen

doi:10.1016/j.matdes.2020.109233

Cited by 49 publications

(15 citation statements)

References 42 publications

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“…This uneven structure can accommodate the generated wear debris and reduce the abrasive wear, thereby improving the mechanical stability of surface features [27]. In addition, such a microstructure with evenly distributed peaks provides better mechanical performance, which helps maintain the superhydrophobic surface [10].…”

Section: Superhydrophobic Surface Stabilitymentioning

confidence: 99%

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Nanostructured Superhydrophobic Titanium-Based Materials: A Novel Preparation Pathway to Attain Superhydrophobicity on TC4 Alloy

et al. 2022

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This study develops the nanostructured superhydrophobic titanium-based materials using a combined preparation method of laser marking step and the subsequent anodizing step. The structural properties were determined using an X-ray diffractometer (XRD) and scanning electron microscope (SEM), while the performance was explored by wear and corrosion tests. The laser marking caused a rough surface with paralleled grooves and protrusions, revealing surface superhydrophobicity after organic modification. The anodizing process further created a titanium oxide (TiO2) nanotube film. Both phase constituent characterization and surface elemental analysis prove the uniform nanofilm. The inert nanosized oxide film offers improved stability and superhydrophobicity. Compared to those samples only with the laser marking process, the TiO2 nanotube film enhances the corrosion resistance and mechanical stability of surface superhydrophobicity. The proposed preparation pathway serves as a novel surface engineering technique to attain a nanostructured superhydrophobic surface with other desirable performance on titanium alloys, contributing to their scale-up applications in diverse fields.

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Section: Superhydrophobic Surface Stabilitymentioning

confidence: 99%

“…So far, many previous reports have investigated the superhydrophobic surfaces on metals and their alloys [10]. For instance, Liu et al [11] prepared a porous microstructure on AZ31 magnesium alloy using the micro-arc oxidation method, and then modified the samples using a stearic acid ethanol solution to attain superhydrophobicity.…”

Section: Introductionmentioning

confidence: 99%

Nanostructured Superhydrophobic Titanium-Based Materials: A Novel Preparation Pathway to Attain Superhydrophobicity on TC4 Alloy

et al. 2022

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“…[21] Wang et al investigated the pretreatment Al alloys surface on the electrodeposition of nickel-phosphorus coatings, and proposed an electrodeposition model using anodic oxidation pretreatment. [22] Zou et al analyzed the blackening phenomenon of Al alloys components after sulfuric acid anodizing, and proposed the solution measure of adopting secondary heat treatment. [23] In this study, we propose a multiple anodic oxidations process with gradient current densities to prepare hierarchical micro-nanostructure films on Al alloys surface.…”

Section: Introductionmentioning

confidence: 99%

Fabricating Superhydrophobic Protective Films with Enhanced Self‐Cleaning and Anti‐Corrosion Properties through Multiple Anodic Oxidations on Aluminum Alloys

et al. 2023

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The development of aluminum (Al) alloys with superb anticorrosion and self-cleaning properties for prolonging the working life and reducing maintenance cost is a hot topic of concern. Since anodic oxidation has been proven to be an effective technique to prepare micro or nanostructures on Al alloys surface, this study proposes a novel and scalable multiple anodic oxidations method with gradient current densities for fabricating hierarchical micro-nanostructure film with appropriate roughness on Al alloys, while the SiO 2 -silane film reduced the surface free energy and enhanced the surface chemical inert state. As expected, the surface of Al alloys modified with the multiple anodic oxidations and SiO 2 -silane film has the most substantial hydrophobic properties, with contact angle up to 166°, rolling angle as low as 3.17°and excellent nonsticking effect of water droplets. This method enables the Al alloys surface to have excellent self-cleaning performance and corrosion resistance with protection efficiency up to 98.81 %. This multiple anodic oxidations method has a wide range of references for the modulation of micro-nanostructure on Al alloys surface and other metallic substrates to assemble superhydrophobic protective films.

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“…Addition of soft metals such as Ag [16][17][18][19][20] and Cu [21][22][23][24][25], was observed to be one of the more efficient solutions to obtain self-lubrication properties at a wide temperature range. Nevertheless, the strong out-diffusion of the lubricious element and its quick depletion from the entire volume of the film only allows low friction behavior for short periods of time, leading after few minutes to the failure of the film [26][27][28][29][30]. For example, additions of Ag to Mo 2 N hard films allows to improve their lubrication performance in a wide range of temperatures [31][32][33][34].…”

Section: Introductionmentioning

confidence: 99%

Multilayer Mo2n-Ag/Sinx Films for Demanding Applications: Morphology, Structure and Temperature-Cycling Tribological Properties

Zhou

Yang³

et al. 2022

SSRN Journal

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Influence of pretreatments on physicochemical properties of Ni-P coatings electrodeposited on aluminum alloy

Cited by 49 publications

References 42 publications

Nanostructured Superhydrophobic Titanium-Based Materials: A Novel Preparation Pathway to Attain Superhydrophobicity on TC4 Alloy

Nanostructured Superhydrophobic Titanium-Based Materials: A Novel Preparation Pathway to Attain Superhydrophobicity on TC4 Alloy

Fabricating Superhydrophobic Protective Films with Enhanced Self‐Cleaning and Anti‐Corrosion Properties through Multiple Anodic Oxidations on Aluminum Alloys

Multilayer Mo2n-Ag/Sinx Films for Demanding Applications: Morphology, Structure and Temperature-Cycling Tribological Properties

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