Design of Nanostructured Functional Coatings by Using Wet-Chemistry Methods

Rivero, Pedro J.; García, José Antonio Tornero; Quintana, Iban; Rodriguez, R.

doi:10.3390/coatings8020076

Cited by 23 publications

(17 citation statements)

References 150 publications

(178 reference statements)

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“…Metals 2020, 10, x FOR PEER REVIEW 3 of 26 Electrospinning is a simple and versatile deposition technique that utilises electrostatic forces to obtain very fine polymeric fibres of variable size, from submicron down to nanometric scale [13]. In addition, this technique is a very powerful tool to fabricate materials with a high surface area [14].…”

Section: Fundamentals Of the Electrospinning Processmentioning

confidence: 99%

Electrospinning: A Powerful Tool to Improve the Corrosion Resistance of Metallic Surfaces Using Nanofibrous Coatings

Rivero

Redin

Rodríguez

2020

Metals

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The use of surface engineering techniques to tune-up the composition of nanostructured thin-films for developing functional coatings with advanced properties is a hot topic within the scientific community. The control of the coating structure at the nanoscale level allows improving the intrinsic properties of the surface compared to bulk materials. A nanodeposition technique with increasing popularity in the field of nanotechnology is electrospinning. This technique permits the fabrication of long and continuous fibres on the micro-nano scale. The good control over fibre morphology combined with its simplicity, cost-effectiveness, easy exploitability and scalability make electrospinning a very interesting tool for technological applications. This review is focused on the use of the electrospinning technique to protect metallic surfaces against corrosion. Polymeric precursors, from natural or biodegradable to synthetic polymers and copolymers can be electrospun with an adequate control of the operational deposition parameters (applied voltage, flow rate, distance tip to collector) and the intrinsic properties of the polymeric precursor (concentration, viscosity, solvent). The electrospun fibres can be used as an efficient alternative to encapsulate corrosion inhibitors of different nature (inorganic or organic) as well as self-healing agents which can be released to reduce the corrosion rate in the metallic surfaces.

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Section: Fundamentals Of the Electrospinning Processmentioning

confidence: 99%

Electrospinning: A Powerful Tool to Improve the Corrosion Resistance of Metallic Surfaces Using Nanofibrous Coatings

Rivero

Redin

Rodríguez

2020

Metals

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“…SH surfaces can be produced by increasing the roughness of the surface for the target material [5][6][7]. Electrospinning is a powerful technique for developing SH coatings because the electrospun micro/nanofibers form a film that presents a surface roughness high enough to provide hydrophobic or even superhydrophobic behavior [8,9]. In addition, electrospun coatings can be obtained in a short period of time by using only one step and the diameter thickness of the resultant fibers can be perfectly controlled from nanometric to micrometric scale by changing the fabrication parameters (applied voltage, flow rate, and distance collector) as well as the resultant viscosity of the precursor, respectively…”

Section: Introductionmentioning

confidence: 99%

Multifunctional Protective PVC-ZnO Nanocomposite Coatings Deposited on Aluminum Alloys by Electrospinning

et al. 2019

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This paper reports the use of the electrospinning technique for the synthesis of nanocomposite micro/nanofibers by combining a polymeric precursor with hydrophobic behavior like polyvinyl chloride (PVC) with nanoparticles of a corrosion inhibitor like ZnO. These electrospun fibers were deposited on substrates of the aluminum alloy 6061T6 until forming a coating around 100 μm. The effect of varying the different electrospinning deposition parameters (mostly applied voltage and flow-rate) was exhaustively analyzed in order to optimize the coating properties. Several microscopy and analysis techniques have been employed, including optical microscopy (OM), field emission scanning electron microscopy (FE-SEM), atomic force microscopy (AFM), thermogravimetric analysis (TGA), and differential scanning calorimetry (DSC). Water contact angle (WCA) measurements have been carried out in order to corroborate the coating hydrophobicity. Finally, their corrosion behavior has been evaluated by electrochemical tests (Tafel curves and pitting potential measurements), showing a relevant improvement in the resultant corrosion resistance of the coated aluminum alloys.

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“…Hussain et al [18] utilized the exponentially stretching sheet to scrutinize the flow of Jeffrey nanofluid with radiation effects. Some recent explorations highlighting various fluid flows past stretched surfaces with coatings can be found in references [19][20][21][22].…”

Section: Introductionmentioning

confidence: 99%

Impact of Nonlinear Thermal Radiation and Entropy Optimization Coatings with Hybrid Nanoliquid Flow Past a Curved Stretched Surface

Ramzan

Ahmad

et al. 2018

Coatings

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The present investigation addresses the flow of hybrid (nickel–zinc ferrite and ethylene glycol) nanoliquid with entropy optimization and nonlinear thermal radiation coatings past a curved stretching surface. Analysis was carried out in the presence of magnetohydrodynamic, heat generation/absorption, and convective heat and mass flux conditions. Solution of the modeled problem was attained numerically using MATLAB built-in function bvp4c. Impacts of prominent parameters on betrothed distributions were depicted through graphs and were well supported by requisite discussions. Numerically calculated values of Sherwood number were established in a tabulated form and were scrutinized critically. An excellent concurrence was achieved when results of the presented model were compared with previously published result; hence, dependable results are being presented. It was observed that concentration field diminished with increasing values of curvature parameter, though the opposite trend was noticed for velocity and temperature distributions. Further, it was detected that Nusselt number decreased with augmented values of radiation and curvature parameters.

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Design of Nanostructured Functional Coatings by Using Wet-Chemistry Methods

Cited by 23 publications

References 150 publications

Electrospinning: A Powerful Tool to Improve the Corrosion Resistance of Metallic Surfaces Using Nanofibrous Coatings

Electrospinning: A Powerful Tool to Improve the Corrosion Resistance of Metallic Surfaces Using Nanofibrous Coatings

Multifunctional Protective PVC-ZnO Nanocomposite Coatings Deposited on Aluminum Alloys by Electrospinning

Impact of Nonlinear Thermal Radiation and Entropy Optimization Coatings with Hybrid Nanoliquid Flow Past a Curved Stretched Surface

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