Surface modification of carbon fibers by microwave etching for epoxy resin composite

Yuan, Jianmin; Fan, Zefu; Yang, Qingcheng; Li, Wei; Wu, Zhenjun

doi:10.1016/j.compscitech.2018.05.043

Cited by 57 publications

(11 citation statements)

References 41 publications

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“…Interfacial properties and the adhesion between the components of the composite system influence the mechanical performance of CFRP composites. [ 61–63 ] The CFs which are inherently smooth, chemically inert, and hydrophobic result in poor interfacial behavior of CFRP composite due to the poor wettability of CF and poor adsorption of matrix on CF. [ 21,38,64,65 ] Apart from this CFRP composites when exposed to extreme temperatures (sub‐zero/elevated temperature) are susceptible to a drastic change in the mechanical properties due to the huge difference in CTE values of matrix and fiber.…”

Section: Introductionmentioning

confidence: 99%

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Recent advancements in interface engineering of carbon fiber reinforced polymer composites and their durability studies at different service temperatures

Gangineni

Patnaik

et al. 2022

Polymer Composites

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A point of major concern in carbon fiber reinforced polymer (CFRP) composites is the interface between the carbon fibers (CFs) and the polymer matrix, which acts as the weakest link. Researchers have tried to work around this drawback by modifying the fiber or the matrix via the addition of nanofillers or using chemical treatment methods. In this review, the progress made in the last decade for enhancing the mechanical performance of CFRP composites by applying the aforementioned methods has been covered. Another aspect of CFRP composites that has limited their adaptability is their susceptibility both at sub-zero and at elevated temperatures. In the later part of this review, the co-relation between different service temperatures and the various mechanical properties of CFRP composites and has been elaborated upon. A better understanding of temperature dependent mechanical response would empower us to tailor the properties of CFRP composites depending on the in-service temperature conditions.

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Section: Introductionmentioning

confidence: 99%

“…[ 38,60 ] Over the last decade, many researchers have tried to overcome this inherent weakness by various methods which include CF surface treatment and introduction of a secondary reinforcement through different routes. [ 33,61,67–70 ]…”

Section: Introductionmentioning

confidence: 99%

Recent advancements in interface engineering of carbon fiber reinforced polymer composites and their durability studies at different service temperatures

Gangineni

Patnaik

et al. 2022

Polymer Composites

View full text Add to dashboard Cite

show abstract

“…Therefore, extensive research studies have been focused on the surface treatment of CF using various methods, which could improve the interfacial interaction between CF and matrix. Previous treatment methods include fiber sizing [12], electrochemical oxidation [13], grafting [14], plasma treatment [15] and microwave etching [16]. Fiber sizing plays a major role in modification of CF surface and has advantages for large scale manufacturing which is often used in the CF production process [17,18].…”

Section: Introductionmentioning

confidence: 99%

Synergistic Effects of Graphene/Carbon Nanotubes Hybrid Coating on the Interfacial and Mechanical Properties of Fiber Composites

et al. 2020

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In this study, the graphene nanoplates (GnPs) and carbon nanotubes (CNTs) are simultaneous deposited on carbon fiber (CF) surface by fiber sizing method. The synergistic effect between GnPs and CNTs in increasing the interfacial and mechanical properties of carbon fiber reinforcement epoxy composites (CFRP) is investigated. The fracture surfaces of the CFRP composites indicated that GnPs/CNTs hybrid coating exhibited the best interfacial and mechanical performance in all coating sample. The interlaminar shear strength of GnPs/CNTs hybrid coated CFRP composites was 90% higher than non-coated CF composites. The flexural and tensile strength of CFRP composites with GnPs/CNTs hybrid coating have an improvement of 52% and 70%, respectively, compared to non-coated CF.

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“…Efficient load transfer by interfacial bond strength of fiber/matrix composite systems is an essential requirement for the development of highperformance GFR composites. Numerous research studies have been devoted to the surface modification of glass fiber, such as plasma treatment, chemical treatment, and electrochemical oxidation and polymerization, to improve the interfacial properties of composites (Yao et al, 2018;Yuan et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Enhanced Interfacial Properties of Carbon Nanomaterial–Coated Glass Fiber–Reinforced Epoxy Composite: A Molecular Dynamics Study

et al. 2022

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The weak interfacial adhesion has significantly affected the durability, long-term reliability, and performance of glass fiber–reinforced epoxy composites. The coating of graphene and carbon nanotubes on the glass fiber can have a positive effect on the strength, toughness, and thermal insulation performance of glass fiber-reinforced composites. However, the strengthening mechanism of carbon nanomaterial coating on the interfacial adhesion between glass fiber and epoxy has not been fully explored. In this work, the effect of graphene and single-walled carbon nanotubes (SWCNTs) on the interfacial properties of the glass fiber–reinforced epoxy has been investigated at atomistic scale. The graphene and SWCNTs are sandwiched between epoxy and silica to study the debonding behavior of the sandwiched structures. It is found that the interfacial energy is significantly improved with the incorporation of graphene and SWCNTs between epoxy and silica, causing an obvious improvement in adhesion stress for graphene coating and in debonding displacement for SWCNT coating. Compared with the epoxy/silica without coatings where the silica and epoxy detach from the contact surface, the sandwiched structures display different failure modes. The sandwiched structure with graphene coating fails at the epoxy matrix close to the interface, exhibiting a cohesive failure mode because of the relatively stronger interfacial interactions. The structures with SWCNTs fail at the interface between silica and SWCNTs, representing an adhesive failure mode due to the interlocking between SWCNTs and polymer chains. This work provides a theoretical guideline to optimize the interface adhesion of coated glass fiber–reinforced epoxy via structure design and surface modification of coating materials.

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Surface modification of carbon fibers by microwave etching for epoxy resin composite

Cited by 57 publications

References 41 publications

Recent advancements in interface engineering of carbon fiber reinforced polymer composites and their durability studies at different service temperatures

Recent advancements in interface engineering of carbon fiber reinforced polymer composites and their durability studies at different service temperatures

Synergistic Effects of Graphene/Carbon Nanotubes Hybrid Coating on the Interfacial and Mechanical Properties of Fiber Composites

Enhanced Interfacial Properties of Carbon Nanomaterial–Coated Glass Fiber–Reinforced Epoxy Composite: A Molecular Dynamics Study

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