Fiber-Reinforced Polymer-FRP-composites
composites are materials made by combining two or more natural or artificial elements (with different physical or chemical properties) that are stronger as a team than as individual players. The component materials don’t completely blend or lose their individual identities; they combine and contribute their most useful traits to improve the outcome or final product. Composites are typically designed with a particular use in mind, such as added strength, efficiency or durability.
Composites, also known as Fiber-Reinforced Polymer (FRP) composites, are made from a polymer matrix that is reinforced with an engineered, man-made or natural fiber (like glass, carbon or aramid) or other reinforcing material. The matrix protects the fibers from environmental and external damage and transfers the load between the fibers. The fibers, in turn, provide strength and stiffness to reinforce the matrix—and help it resist cracks and fractures.
Photothermal Actuation of Carbon-PDMS Composites .
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Photothermal Actuation of Carbon-PDMS Composites . . Photo responsive polymeric actuators present an exciting opportunity for remotely manipulating
New composites based on bacterial nanocellulose and collagen
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Bacterial nanocellulose (BNC), also defined as microbial cellulose, is produced by bacteria. The valuable properties of BNC include, in particular, unique biological, physicochemical and mechanical properties. An example of exceptional properties are high crystallinity, high
Flame retardancy of bio-based thermoplastic composites and nanocomposites
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This paper presents several examples of study dealing with the flame retardancy of bio- based composites . Several approaches were followed: the use of intumescent systems, of the heat sink concept as well as the nanocomposites approach. It was shown that flame
Characterization and Interface of Natural and Synthetic Hybrid Composites
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The trend of renewed interest in natural materials has increased tremendously as researchers and scientists have focused on utilizing the natural materials for replacing the existing synthetic materials. The reason behind this phenomenon is due to ecological
Modelling of Failure Mechanism in Unidirectional Carbon Fiber-Reinforced Polyamide Composites Using Cohesive Zone Model
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In this paper, the damage mechanisms in unidirectional composites is investigated. The model distinguish the fiber and the matrix at mesoscopic scale. The load transfer on intact fibers neighbouring a broken fiber is evaluated. The fiber-matrix interface debonding is
Charge, Thermal and Spin Transport in Graphene Composites Polycrystalline Heterostructures
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I will discuss charge, thermal and spin transport in chemically and structurally complex forms of graphene accounting from substrate effects, polycrystalline morphology of CVD graphene (and hBN), and chemically functionalization; all aspects being of crucial relevance for the
In vitro wear of two bioactive composites and a glass ionomer cement
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Materials and methods: The smart composites Activa (Pulpdent) and Cention N (Ivoclar Vivadent) and the glass ionomer cement Fuji IX (GC) were applied into aluminum sample holders, pressed against a glass plate and stored in water for 3 weeks after curing. The
Effects of Preform Structures on the Performance of Carbon and Carbon Composites
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Six different preforms structures or density carbon/carbon composites manufactured were studied in this paper. All the carbon preforms with different structure were densified by chemical vapor infiltration and impregnation/carbonization cycle with phenolic resin to get
Instabilities in Soft Composites
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This month J-Club is intended to initiate and encourage discussion of the instability phenomena in soft materials. The post focuses on the soft heterogeneous materials, typically combining soft deformable matrix and stiffer phase (such as fibers or inclusions). Here, we
Recent Progress in Ruthenium Oxide-Based Composites for Supercapacitor Applications
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Electrochemical energy storage has emerged as one of the principal topics of present-day research to deal with the high energy demands of modern society. Accordingly, besides fuel cells and battery technologies, interesting and challenging results have been observed in In this book, the methods of synthesis/preparation of different carbon materials like graphite, carbon blacks, carbon fibers, carbon nanotubes, and graphene have been discussed. The different processes/methods of functionalizations/modifications of these carbon materials for
Halloysite Nanotubes Filled Natural Rubber Composites : Functionality, Crystallinity and Thermal Studies
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In this article, low loading of Halloysite Nanotube (HNT) was used as filler for natural rubber (NR) composites where it was used at 0 10 phr. The change of functionalities and crystalline structure were investigated by means of Fourier transform infrared (FTIR) and X
Properties of polyoxymethylene composites with functionalized hydroxyapatite
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Polyoxymethylene (POM) belongs to the class o thermoplastic polymers showing an excellent good mechanical properties and wear resistance However, low thermal stability and resistance to radiation limits POM range of applications. From biomedical applications
Characterization of Al 6061-Coconut Shell Ash metal matrix composites using Stir Casting
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The distinctive characteristics of the composite materials for the particular needs makes these materials additional in style during a kind of applications like automotive bearings, automotive cylinder liners, structural parts, pistons, and aerospace leading to savings of
Magnetic nanofluids and composites : how to tailor their properties through composition for engineering and biomedical applications
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The dependence of the Brownian, N el and effective relaxation time on the particle magnetic diameter. Liquid carrier: water (η= 10-3 Ns/m2). The time window is set by the measurement. A coating thickness of 15 nm, anisotropy constant K= 20 kJ/m3 and T= 300 K
THERMOPLASTIC AS CARRIER OF NANOFILLERS INTO CARBON FIBRE EPOXY RESIN COMPOSITES : INFLUENCE OF THERMOPLASTIC SOLUBILITY
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The present work aims to evaluate the distribution of two selected thermoplastic (TP), phenoxy or polyethersulfone (PES), and non-functionalized Multi-Walled Carbon Nanotubes (MWCNTs) in the epoxy matrix of composite panels processed via Resin Transfer Moulding
Conventional and Additive Manufacturing with Metal Matrix Composites : A Perspective
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Metal matrix composites are a class of materials in which one or more materials are added to a metal targeting specific property enhancements. Considering the possibilities to tailor the materials and the outcome attributes to specific product needs, they have attained
INTERFACE INVESTIGATION OF HYBRID POLYMER COMPOSITES WITH GRAPHENE-MODIFIED MATRIX
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Over the years, it has been proved that fibre-matrix interface quality has a critical role on the performance of carbon fibre reinforced composite. In this work, we aim to study the interfacial quality of carbon fibre reinforced composites after the modification of the host epoxy matrix
Structure Analysis of cobalt ferrite/titania-silica composites
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Magnetodielectric bulk composites of a magnetic phase in dielectric matrix have been prepared. Silica glass and titania electrocoagulated powders have been used as dielectric phases and cobalt ferrite powder as magnetic one. This study aims at tailoring the magnetic
Investigation of Mechanical and Electrochemical Performance of Multifunctional Carbon-Fiber Reinforced Polymer Composites for Electrical Energy Storage
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Concept of structural supercapacitors, based on carbon fiber reinforced polymer composites , has been introduced that can act as a structural load bearing component as well as an electrical energy storing device simultaneously. This multifunctional carbon fiber reinforced