Continuous and selective-area coating of silver on fiber-reinforced polymer composites for aerospace applications

Rajesh, P. S. M.; Delaroa, Claire; Gagné, M.; Klemberg-Sapieha, Jolanta E.; Sirois, Frédéric; Therriault, Daniel

doi:10.1016/j.mtcomm.2018.11.002

Cited by 11 publications

(6 citation statements)

References 29 publications

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“…A 100 mM KOH solution (Sigma-Aldrich) was added at a 1:1 ratio. Then, 30% ammonia (Sigma-Aldrich) was added dropwise until the precipitate dissolve (27). The PET film was patterned for 4 min with a flow rate of 800 nL/s per aperture.…”

Section: Methodsmentioning

confidence: 99%

“…5C). To achieve this result, we used Tollen's silver mirror reaction, a method that already demonstrated its potential for the deposition of thin silver films of controlled thickness for electric circuitry (26,27). Tollen's reagent, when mixed with an aldehyde (in this case dextrose), yields solid silver.…”

Section: Significancementioning

confidence: 99%

“…Water was injected around pixels where no silver line had to be patterned. To increase the silver deposition speed, a sensitization bath of tin chloride was added prior to the silver deposition (27). As for protein biopatterning, the process was performed in a stop-and-go manner.…”

Section: Significancementioning

confidence: 99%

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Pixel-based open-space microfluidics for versatile surface processing

Goyette

Boulais

Tremblay

et al. 2020

Proc. Natl. Acad. Sci. U.S.A.

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An increasing number of applications in biology, chemistry, and material sciences require fluid manipulation beyond what is possible with current automated pipette handlers, such as gradient generation, interface reactions, reagent streaming, and reconfigurability. In this article, we introduce the pixelated chemical display (PCD), a scalable strategy for highly parallel, reconfigurable liquid handling on open surfaces. Microfluidic “pixels” are created when a fluid stream injected above a surface is confined by neighboring identical fluid streams, forming a repeatable flow unit that can be used to tesselate a surface. PCDs generating up to 144 pixels are fabricated and used to project “chemical moving pictures” made of several reagents over both immersed and dry surfaces, without any physical barrier or wall. This work distinguishes itself from previous work in open-space microfluidics by presenting a device architecture where the number of confinement areas can be scaled to any size. Furthermore, it challenges the open-space tenet that the aspiration rate must be higher than the injection rate for reagents to be confined. Overall, this article sets the foundation for massively parallel surface processing using continuous flow streams and showcases possibilities in both wet and dry surface patterning and roll-to-roll processes.

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Section: Methodsmentioning

confidence: 99%

Section: Significancementioning

confidence: 99%

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Pixel-based open-space microfluidics for versatile surface processing

Goyette

Boulais

Tremblay

et al. 2020

Proc. Natl. Acad. Sci. U.S.A.

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“…Continuous fibre reinforced polymer (CFRP) composites have attracted a considerable deal of interest from both academia and industry due to their superior properties, such as high specific stiffness and strength. Recent research has revealed CFRP's enormous potential for producing multifunctional and spatially tuneable components [1][2][3][4][5]. However, standard manufacturing procedures such as resin transfer moulding (RTM), filament winding (FW), automated fibre/tape placement (AFP/ATP), and vacuum bagging all require specialised moulds and tools that are expensive, inflexible, and inappropriate for small batch production [6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Continuous fibre reinforced Vat photopolymerisation (CONFIB-VAT)

Lu¹,

Han²,

Gleadall³

et al. 2022

Additive Manufacturing

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“…For the advantages of excellent friction, stable chemical property, and low cost [1][2][3], epoxy resin is one of the excellent polymer coating materials, which is widely applied in the metal protection, electronics, and medical equipment [4,5]. Especially, epoxy-PTFE composite coatings have low friction coefficient and anticorrosion ability as well as high temperature resistance [6].…”

Section: Introductionmentioning

confidence: 99%

Improvement of the Tribological Properties and Corrosion Resistance of Epoxy–PTFE Composite Coating by Nanoparticle Modification

Liu

Nie

et al. 2020

Coatings

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In order to meet the requirements of high corrosion resistance, wear resistance, and self-lubrication of composite coatings for marine applications, epoxy matrix composite coatings containing PTFE and TiO2 nanoparticles were prepared on the steel substrate. With silane coupling agent KH570 (CH2=C(CH3)COOC3H6Si(OCH3)3), titanium dioxide nanoparticles were modified, and organic functional groups were grafted on their surface to improve their dispersion and interface compatibility in the epoxy matrix. Then, the section morphology, tribological, and anticorrosion properties of prepared coatings, including pure epoxy, epoxy–PTFE, and the composite coating with unmodified and modified TiO2, respectively, were fully characterized by scanning electron microscopy, friction–abrasion testing machine, and an electrochemical workstation. The analytical results show that the modified TiO2 nanoparticles are able to improve the epoxy–PTFE composite coating’s mechanical properties of epoxy–PTFE composite coating including section toughness, hardness, and binding force. With the synergistic action of the friction reduction of PTFE and dispersion enhancement of TiO2 nanoparticles, the dry friction coefficient decreases by more than 73%. Simultaneously, modified titanium dioxide will not have much influence on the water contact angles of the coating. A larger water contact angle and uniform and compact microstructure make the composite coating incorporated modified TiO2 nanoparticles show excellent anti-corrosion ability, which has the minimum corrosion current density of 1.688 × 10−7 A·cm−2.

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Continuous and selective-area coating of silver on fiber-reinforced polymer composites for aerospace applications

Cited by 11 publications

References 29 publications

Pixel-based open-space microfluidics for versatile surface processing

Pixel-based open-space microfluidics for versatile surface processing

Continuous fibre reinforced Vat photopolymerisation (CONFIB-VAT)

Improvement of the Tribological Properties and Corrosion Resistance of Epoxy–PTFE Composite Coating by Nanoparticle Modification

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