A review on coatings through thermal spraying

Qadir, Danial; Sharif, Rabia; Nasir, Rizwan; Awad, Ali; Mannan, Hafiz Abdul

doi:10.1007/s11696-023-03089-4

Cited by 14 publications

(1 citation statement)

References 165 publications

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“…Thermal spray coatings can be utilized on many materials such as metals, alloys, ceramics, and polymers, providing the option to choose the most appropriate coating material for each substrate. Utilizing thermal spray coating for repairing components can often be a more economical alternative compared to complete replacement [21,22]. The process of thermal spray coatings allows for the application of coatings with different thicknesses by adjusting processing speeds, depending on the specific material and system utilized.…”

Section: Introductionmentioning

confidence: 99%

Tribological performance of functional coated fiber reinforced additively manufactured polymer composite

Balan,

Aravind Raj

2024

Eng. Res. Express

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Additive manufacturing has witnessed an upward trend in utilization across diverse industries in recent years. This study examines the tribological properties of polymer composites produced using additive manufacturing. The polymer composites were produced using the fusion deposition modeling process. Subsequently, they undergo thermal spray coating and spin coating processes that deposit hafnium carbide particles onto their surface. The wear test studies were conducted at three distinct temperature levels in accordance with the ASTM standard procedure. The findings demonstrated that the application of a ceramic particle coating led to a substantial decrease in the specific wear rates. Additionally, there were observed differences in the wear rates depending on the specific methods used for applying the coating. The application of thermal coating shown high efficacy in reducing wear rates and safeguarding the underlying materials against material loss. The uncoated PLA-CF material showed a slightly significant amount of material degradation as the test chamber temperature increased, in comparison to the coated specimens. The average specific wear rate of the thermally coated PLA-CF specimen at a temperature of 70˚C is 0.000156 kg/Nm.

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Section: Introductionmentioning

confidence: 99%

Tribological performance of functional coated fiber reinforced additively manufactured polymer composite

Balan,

Aravind Raj

2024

Eng. Res. Express

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Durable Metallization of Resin Surfaces via Sacrificial Nanotransfer Lithography

Llumiquinga,

You,

Eidle

et al. 2024

Adv Materials Inter

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By combining sacrificial nanoimprint lithography (SNIL) and transfer printing, sacrificial nanotransfer (SNT) lithography can create metalized polymer surfaces that enable lightweight conductive surface composites. SNT begins with a metal mold made from a high surface finish metal possessing high resistance to intermetallic alloying. A thin metallic transfer layer is then electroplated onto the mold by selecting a material unlikely to alloy with the surface. The selected nanomaterial, zinc oxide (ZnO), is grown on the top layer of the plated metallic transfer layer via a seedless hydrothermal approach used to synthesize high‐quality ZnO nanowire arrays. A resin material or laminate is cured in contact with the ZnO nanostructures, such that the ZnO nanorods are embedded onto the top layer of the resin. The embedded nanomaterials provide a larger surface area than the weak transfer layer‐mold interface. As a result, when the final component is removed from the mold, the metallic multilayer is transferred with it. The final metalized polymeric surface resembles the same surface finish as the starting mold, with an exposed metal layer and a durable interface. In this study, the importance of nanomaterial morphology and the selection of metal layers are explored to obtain high‐quality final transfers.

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Thermal spray to embed optical fibers for the monitoring and protection of metallic structures

Rigamonti,

Meneses Costa,

Bilotti

et al. 2024

J Mater Sci

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In the framework of using fiber optics (FO) for structural health monitoring, a true challenge is to fix the fiber onto structures guaranteeing both protection for the former and an effective adhesion on the latter. This work proposes a method to obtain such result via thermal spray technique on metallic structures, allowing its use in the most severe conditions of corrosion and wear. Since the transmission medium between the structure and the sensitive part of the optical fiber is represented by the fiber coating, three differently coated fibers were used on C-40 steel substrate: polyacrylate, polyimide and ORMOCER. In addition, the use of a primer to improve the bond on the substrate was evaluated. The adhesion between FO and metallic coating is evaluated through optical microscopy (OM) and scanning electrons microscopy (SEM) analysis. The functionality is also verified with both thermal and mechanical tests to calibrate the measuring accuracy. The results indicate that the best combination is that of the polyimide fiber, a zinc primer and aluminum coating. The proven qualities are the adhesion at the interface between the metallic coating and the fiber optics, and the preservation of the structural integrity of the fiber itself and its coating, and a precise measurement of strain acquired by fiber Bragg grating sensors (FBGs). The use of the thermal spray process is thus proved to be a solution for the optical fiber and substrate interaction, since it preserves the integrity of the optical fiber, due to the low temperature of the process, adding the protection that the metallic coating offers as well.

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A review on coatings through thermal spraying

Cited by 14 publications

References 165 publications

Tribological performance of functional coated fiber reinforced additively manufactured polymer composite

Tribological performance of functional coated fiber reinforced additively manufactured polymer composite

Durable Metallization of Resin Surfaces via Sacrificial Nanotransfer Lithography

Thermal spray to embed optical fibers for the monitoring and protection of metallic structures

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