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Showing 1 to 20 of 23 for “"CFRPs"”.
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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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Fatigue, Fracture and Impact of Hybrid Carbon Fiber Reinforced Polymer Composites
… the carbon fiber reinforced polymer composites (CFRPs) suitable structural materials for variety of applications such as aerospace, automotive, civil, sporting goods, etc. Despite the outstanding performance of the CFRPs along their fibers direction (on-axis), they lack sufficient strength and …
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Mechanical and Electrical Characterization of Carbon Fiber/Bucky Paper/Zinc Oxide Hybrid Composites
… carbon fiber reinforced composites (CFRPs) expedited the use of several nano reinforcements such as zinc oxide nanorods (ZnO) and carbon nanotubes (CNTs). Zinc oxide is semi-conductor with good piezoelectric and pyroelectric properties. These properties could be transmitted to CFRPs …
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Nanoengineered hierarchical advanced composites with nanofiber interlaminar reinforcement for enhanced laminate-level mechanical performance
… advanced carbon fiber reinforced plastics (CFRPs), which are comprised of high specific stiffness and strength continuous carbon microfibers and lightweight, relatively compliant polymers, have been among the most attractive materials and are used extensively in the aerospace sector. …
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Tensile and interfacial properties of radially aligned CNT grown carbon fibers
… (CFs) has established CF reinforced plastics (CFRPs) as the benchmark material for next-generation aerospace structures. While CFRPs with radially-grown aligned carbon nanotubes (CNTs), termed fuzzy fiber reinforced plastics (FFRPs), have exhibited enhanced inter- and intralaminar mechanical …
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Impact Resistance of Hybrid Metal-Organic Frameworks/Carbon Fibers Composites
… in the use of carbon fiber-reinforced polymers (CFRPs) composites in the aerospace industry generated the need of improving the properties and capabilities of these composites by adding nano-reinforcements to the carbon fibers, also called hybrid fiber reinforced polymer composites. In this …
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3D Deep Learning Segmentation for Fiber Break Analysis of Carbon Fiber Reinforced Polymer Tomograms
Carbon fiber reinforced polymers (CFRPs) find extensive use in modern aerospace structures due to their adaptability in stiffness and strength for specialized applications. However, their heterogeneous composition and the microscopic scale of fiber and matrix lead to complex damage mechanisms, as …
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Development of self-healing techniques for fiber reinforced composites
… (based on their chemistry) as healing agent into CFRPs was studied. More precisely, common thermoplastics such as PET and Polyamides (Nylon-66) based on reversible covalent bonds, Bis-maleimide polymers (pure and blends) based on Diels Alder (DA) and Retro-DA reactions through special covalent …
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Carbon Fiber Reinforced Polymer Retrofits to Increase the Flexural Capacity of Deteriorated Steel Members
… adhered to increase both strength and stiffness. CFRPs are a highly tailorable material with an extremely high strength-to-weight ratio, ease of installation and can potentially mitigate further corrosion concerns. Fiber Reinforced Polymers (FRPs) have already been widely accepted as a means of …
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Experimental Characterization of Mode I Fracture Toughness of Reinforced Carbon Fiber Laminate with Nano-Cellulose and CNT Additives
… CNFs as lightweight renewable reinforcement for CFRPs will be investigated. Carbon nanotube (CNT) additives were also considered for their beneficial structural properties.
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X-ray Micro-Computed Tomography and Deep Learning Segmentation of Progressive Damage in Hierarchical Nanoengineered Carbon Fiber Composites
… understanding. Progressive damage mechanisms in CFRPs generally encompasses a spectrum of modalities, interactions, and sequences across multiple scales, exhibiting broad sensitivity to loading conditions. Dominant damage mechanisms have been identified generally as polymer matrix cracking within …
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Cohesive Zone Modelling of Fiber–Matrix Interface in Composite Materials
<p>Carbon Fiber reinforced polymers (CFRPs) are widely used in aerospace, automotive, and structural applications due to their high specific strength, stiffness, and design flexibility. Their mechanical performance is critically governed by the fiber–matrix interface which controls stress transfer …
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Student Nurses' Perceptions on Practice Readiness After a Clinical Capstone Experience
… to the Casey Fink Practice Readiness Survey (CFRPS). Bivariate analysis indicated that the two cohorts (Traditional & Accelerated) did not differ significantly by mean scores, reflecting that both cohorts reported a higher perception of practice readiness when performing the 20 key nursing …
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Effects of Surface Condition and Environmental Exposure on the Bond between CFRP and Steel
… Many studies have documented the ability of CFRPs to enhance the strength of existing structures. Furthermore, CFRP offers the benefits of being non-corrosive and having a high strength-to-weight ratio. Most studies on steel strengthening have focused on the bond behavior of CFRP to steels …
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Hybrid Structural Composites with Energy Harvesting Capabilities
… carbon fiber reinforced epoxy composites (CFRPs). ZnO NWs have, by contrast, displayed great promises. While not only being a very strong piezoelectric material, it enhanced the mechanical and dynamic properties of the composite due to the increased surface area and mechanical interlocking. …
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Novel Concrete Reinforcement for Wave Energy Converters
… strength of beams externally bonded with CFRPs using epoxy resin was developed. Influence of the water and seawater exposures on the CFRP strengthening capacity was also discussed.<br/><br/>Addition of macro-synthetic fibres to the concrete at a dosage of 20 kg/m3 significantly improved …
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Capillary Effects of Nanoporous Networks on Aerospace Autoclave-grade Prepreg Composites Enabling Vacuum-bag-only Manufacturing
… properties. Yet, many advanced aerospace-grade CFRPs require autoclave pressure vessels to thermally process composites, which has numerous drawbacks such as high capital costs, hours-long heating and cooling cycles, high energy use, and bottlenecks due to fixed size. This work investigates …
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Mechanics of 3D Composites
… this thesis shows improvement over traditional CFRPs in ductility and energy absorption capability. The 3D composite has been demonstrated to have smooth load-displacement curves reminiscent to indentation of metal in all three directions achieved at densities significantly lower than structural …
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Νέα προσέγγιση στην παρακολούθηση της αναπτυσσόμενης βλάβης υπό μηχανική φόρτιση σε ινώδη σύνθετα υλικά με μήτρα ενισχυμένη με νανοσωληνίσκους άνθρακα
… [0]16. Στο πλαίσιο αναπτύχθηκαν με χρήση της με CFRPs [0]16 με μήτρα τριών διαφορετικών περιεκτικοτήτων σε ΝΣΑ 0% (υλικό αναφοράς), 0.5% και 1% κ.β. Τα δοκίμια που προέκυψαν υποβλήθηκαν σε ηλεκτρομηχανικό χαρακτηρισμό σε (α) μονο-αξονικό ψευδό-στατικό εφελκυσμό και σε (β) Κυκλική Εφελκυστική …
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Next Generation Multifunctional Composites for Impact, Vibration and Electromagnetic Radiation Hazard Mitigation
… matrix). Understanding the behavior of the thin CFRPs under impact loadings and the ability to model their response under ballistic impact is essential for designing CFRP structures. A precise simulation of impact phenomenon should account for progressive damage and strain rate dependent behavior …
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