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Showing 1 to 20 of 21 for “"CFRP Composites"”.
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Widening of Reinforced Concrete Bridges – Extension of Pier Cap Beams with CFRP Composites
… extended on verges and reinforced with different CFRP systems are presented, followed by development of a practical analytical model. In addition, a column strengthening system, which provides a continuous load path to transfer additional moment to the foundation, was presented in this study.</p> …
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Micromechanical Behavior of Fiber-Reinforced Composites using Finite Element Simulation and Deep Learning
… carbon fiber-reinforced polymer (CFRP) composites through high-fidelity numerical simulations. We investigated multiple transverse cracking of cross-ply CFRP laminates on the microstructure level through simulating large numerical models. Such an investigation demands an efficient …
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Fundamental Behavior of Nanoporous Networks in the Out-of-Autoclave Manufacturing of Carbon Fiber Reinforced Polymer Composites
… industry, carbon fiber reinforced polymer (CFRP) laminated composites are used extensively in spacecraft and aircraft vehicles due to their high specific strength and stiffness and other properties. Processing these advanced structural CFRP composites, especially in prepreg form, is often …
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Design and Additive Manufacturing of Carbon-Fiber Reinforced Polymer Microlattice with High Stiffness and High Damping
Carbon fiber reinforced polymer (CFRP) composites are known for their high stiffness-to-weight and high strength-to-weight ratios and hence are of great interest in several engineering fields such as aerospace, automotive and defense. However, despite their light weight, high stiffness and high …
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Epoxy-clay nanocomposite for carbon fiber reinforced polymer applications
Carbon fiber reinforced polymer (CFRP) composites have been utilized in rehabilitation and strengthening of civil infrastructure, and fabrication of aerospace, automotive and marine structural components. This is attributed to the high strength-to-weight ratio and durability of CFRP. However, for …
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Diamond-coated carbon fibres, the new generation of composites (CFRP)?
Carbon-based composites used in aircraft structural applications (wings, fuselage, etc.) consist of sheets of carbon fibre tapes bonded together by a polymer matrix, usually an epoxy resin. This composite material is called Carbon Fibre Reinforced Polymer (CFRP). In recent decades, the proportion …
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A High Power Microwave Zoom Antenna With Metal Plate Lenses
… 10% bandwidth. Carbon Fiber Reinforced Polymer (CFRP) composites were demonstrated through experiment and simulation to have sufficient conductivity to replace metal for the lens elements and would provide a stronger, lighter weight alternative to metal. Such compounds should be considered for …
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Modified Phenol-Formaldehyde Resins for C-Fiber Reinforced Composites: Chemical Characteristics of Resins, Microstructure and Mechanical Properties of their Composites
… dimensional stress and strain fields in the composites. The structure of the CFRP composites is strongly depended on the fiber/matrix interaction. The fiber matrix bonding (FMB) strength controls the load transfer via shear forces and therefore the segmentation of the fiber bundles.
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Phase morphology and fracture toughness of CNT/polytherimide modified epoxy polymer nanocomposites as matrices for advanced CFPR composites
… for advanced carbon fibre reinforced polymer (CFRP) composites. Their relatively high stiffness, strength, glass transition temperature (Tg), and strong bonding to the reinforcing fibres, together with their ease of processing, are attractive attributes. The high crosslink density of cured …
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Guided Wave Actuation for Enhanced Damage Identification in Carbon Fiber Reinforced Polymer Material Using Electrical Resistance Tomography
<p>Carbon fiber reinforced polymer composites (CFRP) are prone to delamination damage which leads to the reduction in the mechanical performance of aerospace structures. Electrical Resistance Tomography (ERT) is a non-destructive evaluation technique that uses surface voltage measurements with …
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Fibre Structure Preservation during Carbon Fibre Reinforced Polymer Recycling – Characterisation and Parameter Prediction Model of the Recycling Process
… tonnes of carbon fibre reinforced polymer (CFRP) waste worth USD 630 million was either landfilled or incinerated globally. The amount of CFRP waste is estimated to increase as a result of the ever-rising market demand. The CFRP market demand is due to the remarkable properties of high …
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Out of autoclave manufacturing of cfrps having multiscale reinforcement for improved interlaminar fracture toughness and multifunctional characteristics
Carbon fiber reinforced polymer (CFRPs) composites are increasingly used as advanced materials in many structural applications i.e. aerospace, automotive, marine etc. due to their superior in-plane mechanical properties, high specific strength and stiffness and corrosion resistance compared to …
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Understanding the correlation between wrinkle morphology, fracture and fatigue of plain woven CFRP laminates through mechanical and ultrasonic characterization.
… defects in carbon fiber-reinforced polymer (CFRP) laminates, can significantly alter the fracture and fatigue behavior of composite structures. This dissertation presents a comprehensive experimental investigation into the influence of out-of-plane wrinkles on interlaminar fracture toughness …
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Continuity of bridges composed of simple-span precast prestressed concrete girders made continuous
… developed using Carbon Fiber Reinforced Polymer (CFRP) composites. By making the girders continuous for slab self-weight as well, the additional negative moment over the continuity support will counteract the positive restraint moment and limit it below the cracking moment. Thus, cracks will not …
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Multi-Class 3D Segmentation of Progressive Damage in Advanced Composites using Deep Learning
Carbon fiber reinforced polymer (CFRP) composites are playing an increasingly important role in modern aerospace primary structures. Underpinning their growing utilization is their relatively high mass-specific stiffness and strength, together with tailorable bulk mechanical properties. However, …
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Next Generation Multifunctional Composites for Impact, Vibration and Electromagnetic Radiation Hazard Mitigation
… processes for developing hybrid, multifunctional composites based on surface grown carbon nanotubes (CNTs) on carbon fibers' yarns. This study embraces the development of a novel low temperature synthesis technique to grow CNTs on virtually any substrate. The developed method graphitic structures …
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Effects of imperfections on the response of composite structures with scarf joints
… use of carbon fiber reinforced polymer (CFRP) composites as a primary structural material leads to a need for repairs of such structures. One such repair method is the scarf joint, an adhesive joint that allows for the original surface profile of a structure to be maintained. Studies of …
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Nanomaterial-enabled manufacturing for next-generation multifunctional advanced composite prepreg laminate architectures
… of advanced aerospace-grade structural composites has traditionally utilized autoclaves to impart heat and pressure, in addition to vacuum, to create high-quality, void (defect)- free, reproducible structures. Carbon (micro) fiber reinforced polymer (CFRP) composites, which are …
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Modeling and Interpretation of Fiber Orientation-Based Failure Mechanisms in Machining of Carbon Fiber-Reinforced Composites
Fiber-reinforced polymer composites have recently emerged as novel materials capable of playing a unique role in industrial applications. The advantage of these materials over traditional metals or polymers comes from the material property enhancements that can be achieved by combining appropriate …
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Ανάλυση της απόκρισης σύνθετων πολυμερών υλικών υπό συνθήκες φωτιάς. Εφαρμογή σε αεροπορικές κατασκευές
… test campaign. Metallic (AL2024-T3) samples, CFRP neat and modified, and hybrid GLARE ones where manufactured. Also the experimental work performed is described. Cone calorimetry testing data are available, results from thermogravimetry tests, differential scanning calorimetry, and finally the …
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