The role of TiO<sub>2</sub> nanoparticles on the topography and hydrophobicity of electrodeposited Ni-TiO<sub>2</sub> composite coating

Salehi, Mozhgan; Mozammel, Mahdi; Emarati, Seyed Masoud; Alinezhadfar, Mohammad

doi:10.1088/2051-672x/ab870a

Cited by 13 publications

(3 citation statements)

References 20 publications

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“…The three-dimensional AFM of the SiO2-TiO2 films on a glass substrate in an area of 10 × 10 µm is shown in Figure 2. The formation of craters and elevations are visible along the topographic surface, which is attributed to the TiO2 nanoparticles [32]. Similar results were found by Widati et al (2019) using 0.015 and 0.030 molar of TiO2 exhibiting low NPs homogeneity over the surface [33].…”

Section: Composite and Film Characterizationsupporting

confidence: 85%

Antimicrobial Hydrophobic SiO2-TiO2-PDMS Films: Effect of Indirect Ultrasonic Irradiation on the Synthesis Process

Rosales,

Mandujano,

Cervantes-Chávez

et al. 2024

J. Compos. Sci.

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Film applications’ recent advances in the alimentary industry mainly focus on extending product shelf life. Researchers have investigated the use of nanomaterials as active packaging to shield food product contents from the outside elements and prevent bacterial development. In this context, the use of sonochemistry energy offers a friendly and efficient opportunity to obtain this kind of film. However, access to an ultrasonic homogenizer is limited because of the cost and accessories. In this work, a self-cleaning coating based on the SiO2-TiO2-PDMS composite was obtained by the sol–gel method coupled with indirect sonochemical energy. Two sonication reaction times were used to investigate its impact on the final composite’s chemical, morphological, and antibacterial properties. TEM and SEM techniques indicate an amorphous morphology and superficial cracks in SiO2-TiO2-PDMS films over aluminum foil. At the same time, AFM reveals a rise in rugosity with a value of Ra = 18.7 ± 2.47 nm, increasing the sonochemical reaction time. Non-significative changes by FTIR-ATR analysis were observed. The antibacterial evaluation was conducted, and the results indicate that both composites exhibited superior effectiveness. Specifically, the S40 film demonstrated a significant reduction in the growth of Gram-negative cells (E. coli, P. putida, and P. aeruginosa), with reductions ranging from 50% to 95%. In contrast, the reduction in Gram-positive cells (S. aureus) was less than 10%. These findings underscore the potential application of the SiO2-TiO2-PDMS film as active packaging.

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Section: Composite and Film Characterizationsupporting

confidence: 85%

Antimicrobial Hydrophobic SiO2-TiO2-PDMS Films: Effect of Indirect Ultrasonic Irradiation on the Synthesis Process

Rosales,

Mandujano,

Cervantes-Chávez

et al. 2024

J. Compos. Sci.

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“…Batteries, capacitors, magnetic storage media, lightweight structures, sensors, and water filtration systems are potential applications for metals with nanoporous morphology [1]. The production and characteristics of metal matrix composite coatings have received a lot of interest in recent years [2].…”

Section: Introductionmentioning

confidence: 99%

Effect of sodium dodecyl sulfate and different SiC quantities on electrodeposited Ni-Co alloy coatings

Ababsa¹,

Temam²,

Hasan³

et al. 2022

Surf. Topogr.: Metrol. Prop.

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Ni-Co nanocomposites Prepared by electrodeposition in a modified Watts bath containing various quantities of silicon carbide SiC and the organic additive sodium dodecyl sulfate SDS as a surfactant. The influence of nanoparticle incorporation on the electrodeposit microstructure, mechanical characteristics, and deformation process was studied. Vickers micro-hardness and weight loss tests were used to study the mechanical properties and morphology. The microstructure has also been analyzed by scanning electron microscopy (SEM) and X-ray diffraction (XRD). Co-deposition of uniformly dispersed SiC particles, on the other hand, was found to improve the extreme tensile strength of the deposits significantly; SDS lowered the surface tension, allowing the SiC particles to fill in all remaining gaps to achieve a homogeneous surface. A process involving atoms that can dramatically improve flexibility. Incorporation of SiC particles and raising the strain rate encouraged a ductile fracture mode in a nano-crystalline Ni-Co matrix, which demonstrated a mixed mod behavior of flexible and brittle fracture; it was evident that the addition of SDS increases the concentration of SiC particles in general on Ni-Co samples. Moreover, compare Ni-Co with various amounts of SiC and Ni-Co/SiC with adding SDS. Furthermore, to achieve the highest possible electroplating efficiency.

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“…The amplitude of the direct current and plating time, are the plating parameters that control the composition and thickness of the depositing layer [22,23]. The research on the impact of concentration and composition of Ni plating bath for electroplating AZ31 Mg increases the interest in electroplating of AZ31 Mg with various composites [24]. Further, the corrosion resistance of AZ31 Mg alloy was increased by electroplating at higher current densities in the nanoparticles suspended bath [25].…”

Section: Introductionmentioning

confidence: 99%

Optimisation of Corrosion behaviour and hardness of Ni-B₄C Composite coated AZ31 Mg alloy using RSM

Venses¹,

Sivapragash²,

Kumar³

et al. 2022

Surf. Topogr.: Metrol. Prop.

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The optimisation of process parameters in the electroplating process is imperative to improve the effectiveness of coating that meets the industry’s requirements. The present study analyses the influence of the electroplating parameters such as bath temperature, current intensity, and plating time on the hardness and corrosion properties of AZ31 Mg alloy. A preliminary electroplating coating was initially done on the AZ31 Mg alloy with zinc and copper. Subsequently, the AZ31 Mg alloy is coated with Ni-B4C composite by electroplating. Response Surface Methodology (RSM) is used to find the optimum settings for the parameters by minimising the corrosion loss and maximising the hardness. The quadratic regression models were developed for the responses based on the experiments conducted as per the Box-Behnken design method. Scanning Electron Microscopy (SEM), XRD analyses are used to investigate the effectiveness of the Ni–B4C composite coating on AZ31 Mg alloy. It is revealed from the results that the maximum hardness of 140 HV and minimum corrosion mass loss of 0.583 mg cm−2 was obtained for the optimal parameters.

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The role of TiO₂ nanoparticles on the topography and hydrophobicity of electrodeposited Ni-TiO₂ composite coating

Cited by 13 publications

References 20 publications

Antimicrobial Hydrophobic SiO2-TiO2-PDMS Films: Effect of Indirect Ultrasonic Irradiation on the Synthesis Process

Antimicrobial Hydrophobic SiO2-TiO2-PDMS Films: Effect of Indirect Ultrasonic Irradiation on the Synthesis Process

Effect of sodium dodecyl sulfate and different SiC quantities on electrodeposited Ni-Co alloy coatings

Optimisation of Corrosion behaviour and hardness of Ni-B₄C Composite coated AZ31 Mg alloy using RSM

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The role of TiO2 nanoparticles on the topography and hydrophobicity of electrodeposited Ni-TiO2 composite coating

Cited by 13 publications

References 20 publications

Antimicrobial Hydrophobic SiO2-TiO2-PDMS Films: Effect of Indirect Ultrasonic Irradiation on the Synthesis Process

Antimicrobial Hydrophobic SiO2-TiO2-PDMS Films: Effect of Indirect Ultrasonic Irradiation on the Synthesis Process

Effect of sodium dodecyl sulfate and different SiC quantities on electrodeposited Ni-Co alloy coatings

Optimisation of Corrosion behaviour and hardness of Ni-B4C Composite coated AZ31 Mg alloy using RSM

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The role of TiO₂ nanoparticles on the topography and hydrophobicity of electrodeposited Ni-TiO₂ composite coating

Optimisation of Corrosion behaviour and hardness of Ni-B₄C Composite coated AZ31 Mg alloy using RSM