Journal ArticleDOI
Effects of hydrazine reduced graphene oxide on the inter-laminar fracture toughness of woven carbon fiber/epoxy composite
Nitai Chandra Adak,Nitai Chandra Adak,Suman Chhetri,Suman Chhetri,Tapas Kuila,Tapas Kuila,Naresh Chandra Murmu,Pranab Samanta,Pranab Samanta,Joong Hee Lee +9 more
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In this article, the hybridization effects of hydrazine reduced graphene oxide (rGO) on the inter-laminar shear strength (ILSS), impact strength, and in-plane fracture toughness of symmetric type carbon fiber/epoxy composite laminates were investigated.Abstract:
In this work, the hybridization effects of hydrazine reduced graphene oxide (rGO) on the inter-laminar shear strength (ILSS), impact strength, and in-plane fracture toughness of symmetric type carbon fiber/epoxy composite (CF/epoxy) laminates were investigated. The composite laminates were fabricated through the vacuum-assisted resin transfer molding (VARTM) process. At 0.2 wt% of rGO loading, the CF/epoxy composites showed the best load carrying capacity among the developed laminates. ILSS, impact strength, and critical stress intensity factor (KIC) were enhanced by ∼ (84, 100, and 33) %, respectively, in the case of rGO (0.2 wt%) filled CF/epoxy composite specimens, as compared to CF/epoxy composite. The consumed fracture energy of rGO (0.2 wt%)/CF/epoxy increased, as compared to the rGO (0.4 wt%)/CF/epoxy composite. The fracture surfaces obtained from field emission scanning electron microscopy of the developed composites showed compatible dispersion of rGO in the epoxy matrix, and branched fracture of the specimens. This study suggests that the rGO nanofiller might be used as a matrix modifier to resist matrix fracture, as well as fiber fracture.read more
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A review on enhancement of mechanical and tribological properties of polymer composites reinforced by carbon nanotubes and graphene sheet: Molecular dynamics simulations
TL;DR: In this article, the application of molecular dynamics simulations on mechanical and tribological properties of polymer composites reinforced by carbon nanotubes and graphene sheet as reinforcements is reviewed. And the capabilities of such simulations on exploring inherent mechanisms on improved tribological and mechanical properties of polymeric composites from atomic views are discussed.
Journal ArticleDOI
Evolving Strategies for Producing Multiscale Graphene-Enhanced Fiber-Reinforced Polymer Composites for Smart Structural Applications
TL;DR: Development of clear standards for the assessment of graphene material properties, improvement of existing materials and scalable manufacturing technologies, and specific regulations concerning human health and environmental safety are key factors to accelerate the successful commercialized gFRPs.
Journal ArticleDOI
A review of methods for improving interlaminar interfaces and fracture toughness of laminated composites
Yi Di Boon,Sunil C. Joshi +1 more
TL;DR: In this paper, a review of the different methods to improve interlaminar interfaces in laminated composites, including their performances and drawbacks, as well as the future trends in the related topics is presented.
Journal ArticleDOI
Thermosetting CFRP interlaminar toughening with multi-layers graphene and MWCNTs under mode I fracture
TL;DR: In this article, the authors focused on enhancing the mode I fracture toughness by adding two nano materials of multi-walled carbon nanotubes (MWCNTs) and multi-layers graphene (mG) into interlaminar surface.
Journal ArticleDOI
Improvement of mechanical properties and thermal conductivity of carbon fiber laminated composites through depositing graphene nanoplatelets on fibers
Fuzhong Wang,Xiaoxia Cai +1 more
TL;DR: In this article, a graphene nanoplatelets (GnP)/acetone solution containing a small amount of resin/hardener was prepared as the spraying solution for modifying dry fabrics which are well compatible with the vacuum-assisted resin transfer infusion (VARI) process, and the GnPs-reinforced fiber laminated composites with GnPs uniformly distributed in the interlaminar regions were successfully fabricated.
References
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Journal ArticleDOI
Carbon nanotube–polymer composites: Chemistry, processing, mechanical and electrical properties
TL;DR: In this paper, an extended account of the various chemical strategies for grafting polymers onto carbon nanotubes and the manufacturing of carbon-nanotube/polymer nanocomposites is given.
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One-Step Ionic-Liquid-Assisted Electrochemical Synthesis of Ionic-Liquid-Functionalized Graphene Sheets Directly from Graphite
TL;DR: In this article, a mild, one-step electrochemical approach for the preparation of ionic-liquid-functionalized graphite sheets with the assistance of an ionic liquid and water is presented.
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Improving the Dispersion and Integration of Single-Walled Carbon Nanotubes in Epoxy Composites through Functionalization
Jiang Zhu,Jong Dae Kim,Haiqing Peng,John L. Margrave,Valery N. Khabashesku,Enrique V. Barrera +5 more
TL;DR: In this paper, the authors demonstrate the practical use of combining acid treatment and fluorination to achieve functionalization and unroping of single-walled carbon nanotubes (SWNTs).
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Interfacial Microstructure and Properties of Carbon Fiber Composites Modified with Graphene Oxide
TL;DR: An alternative method for improving the interfacial and tensile properties of carbon fiber composites by controlling the fiber-matrix interface was developed and such multiscale reinforced composites show great potential with their improved mechanical performance to be likely applied in the aerospace and automotive industries.
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A New Approach toward Understanding Damage Mechanisms and Mechanics of Laminated Composites Due to Low-Velocity Impact: Part II—Analysis:
TL;DR: In this paper, an investigation comprised of experiments and analysis was performed to study impact damage in laminated composites caused by low-velocity impact and to identify the essential parameters governing the impact damage matrix cracks and delaminations.