نتایج جستجو برای: cfrp composites
تعداد نتایج: 49038 فیلتر نتایج به سال:
Fibre-reinforced composite materials are widespread in lightweight, high-performance applications. However, polymeric composites generally exhibit a brittle behaviour, which makes them susceptible to impact damage. Even low-velocity impacts can produce delaminations, cause substantial reduction of the compressive mechanical properties. Metallic layers have been embedded laminates with aim impro...
Fibre reinforced polymer (FRP) is one of the best retrofitting materials for strengthening due to a number of advantages, such as excellent strength to self-weight ratio, large fatigue resistance capacity, etc. Presently, many different types of FRP models are used in analysis, thereby creating erroneous analytical results. Reinforced concrete (RC) beams with carbon and glass fibrereinforced po...
In this work a novel method for the characterization of porosity in carbon fiber reinforced polymers (CFRP) is presented. A visualization pipeline for the interactive exploration and visual analysis of CFRP specimens is developed to enhance the evaluation workflow for non-destructive testing (NDT) practitioners based on specified tasks. Besides quantitative porosity determination and the calcul...
Abstract The applications of Carbon Fibre Reinforced Plastic (CFRP) composites in aerospace have increased exponentially the last decade. CFRP are now replacing conventional materials used high temperature applications. Different types and strategies reinforcements these to improve their applicability One reinforcement that has been frequently recent years is plain weave fabric configuration re...
Three different laminated composites are used in this study: carbon fiber, woven glass and glass-fiber-reinforced epoxy. The composite laminate structures were fabricated using the hand lay-up technique at room temperature. laminates reinforced with epoxy resin, fibers (CFRP), (GFRP-W), random-orientation (GFRP-R) to obtain eight layers. wear test was performed a pin-on-disc tribometer five loa...
The improvement of electrical conductivity of carbon-fiber reinforced plastics (CFRP) has been investigated by conductive silver nano-particles coating for the purpose of aircraft lightning protection. Silver nano-particles in colloid were sprayed on the surface of carbon fibers, which were then impregnated by epoxy resin to form a CFRP specimen. Electrical resistance was measured by contact re...
The opinions, findings and conclusions expressed in this report are those of the principal investigator and the Missouri Department of Transportation. They are not necessarily those of the U. EXECUTIVE SUMMARY This report presents the results of a pilot study to apply externally bonded Carbon Fiber Reinforced Polymer (CFRP) sheets to strengthen a simple span reinforced concrete solid slab bridg...
This paper reports the outcomes of an experimental investigation shielding effectiveness (SE) for carbon fibre reinforced polymer (CFRP) composites with varying configurations. It focuses on (1) important parameters affecting SE CFRP laminates and (2) applicability transmission line (TL) theory to predict their properties. Comparison profiles showed that quasi-isotropic cross-ply configurations...
The need for repair and strengthening of deteriorated, damaged and substandard infrastructures has become an important challenge worldwide. The demand for increasingly heavier truck loads is forcing bridge owners to upgrade existing structures. In response to the growing need for concrete repair and rehabilitation, an experimental program was conducted to investigate the feasibility of using di...
Many steel structures are in need of strengthening due to reqUirements to increase carrying capacity and/or rehabili tation due to corrosion degradation. This paper summarizes the results of an investigation that has been conducted to evaluate the performance of carbon fiber reinforced polymer (CFRP) materials to increase the strength and stiffness of steel structures. Two types of specimens we...
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