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Showing 1 to 16 of 16 for “"fiber reinforced polymer composite"”.
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Use of fiber reinforced polymer composite in bridge structures
Fiber reinforced polymer composite (FRP) is a new construction material, gradually gaining acceptance from civil engineers. Bridge engineering is among the fields in civil engineering benefiting from the introduction of FRP composite. Its advantages over traditional construction materials are its …
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Stiffness and Strength of Fiber Reinforced Polymer Composite Bridge Deck Systems
… that are of primary importance in Fiber Reinforced Polymer (FRP) bridge deck applications: STIFFNESS and STRENGTH. The research was undertaken by investigating the stiffness and strength characteristics of the multi-cellular FRP bridge deck systems consisting of pultruded FRP …
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Rehabilitation of timber railroad bridges using glass fiber reinforced polymer composite wraps
… joint and an above ground pile with Glass Fiber Reinforced Polymer (GFRP) composite wraps, in combination with phenolic formaldehyde adhesives. Static and dynamic testing was performed to determine the dynamic behavior and the live load distribution of the superstructure. This research …
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Delamination damage of carbon fiber-reinforced polymer composite laminates under cyclic shear-induced loading conditions
… shear stress frequently encountered in carbon fiber-reinforce polymer (CFRP) composite laminates structures. This failure process under monotonic loading has been successfully described using cohesive zone model (CZM). Many previous CZM approaches for cyclic case were considering damage …
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A methodology for the automation of dry fabric layup for fiber reinforced polymer composite manufacturing
… (NCF) plies for 2-dimensional and 3-dimensional composite components. This research includes the development of a machine capable of imparting shear on NCF plies. Results are presented with an equation for calculating machine settings for a given contour.</p> <p>The machine is found to be capable …
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Repair of damaged end regions of prestressed concrete girders using fiber reinforced polymer composite materials
Over the past couple decades, fiber reinforced polymer (FRP) composites have emerged as a lightweight and efficient repair and retrofit material for many concrete infrastructure applications. FRP can be applied to concrete using many techniques, but primarily as either externally bonded laminates …
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Bending and Shear Behavior of Pultruded Glass Fiber Reinforced Polymer Composite Beams With Closed and Open Sections
… (ASCE), in coordination with the American Composites Manufacturers Association (ACMA), has overseen the development of the Pre-Standard for Load and Resistance Factor Design (LRFD) of Pultruded Fiber Reinforced Polymer (FRP) Structures using probability-based limit states design. The fifth …
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Extending the performance of net shape molded fiber reinforced polymer composite valves for use in internal combustion engines
Fiber Reinforced Composite (FRC) materials offer the possibility of reduced mass and increased structural performance over conventional metals. When used in reciprocating components of internal combustion engines, this may enable increased power and mechanical efficiency. Previously published work …
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Bio-based composites that mimic the plant cell wall
… is the plant cell wall. The plant cell wall is a composite of oriented cellulose microfibrils reinforcing a lignin/hemicellulose matrix. In principle, the plant cell wall composite is designed much like a synthetic fiber-reinforced polymer composite. Unlike synthetic composites, the plant cell …
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Development and implementation of robust large deformation and contact mechanics capabilities in process modelling of composites
… scale, one-piece structural parts made of carbon fiber-reinforced polymer composite materials is the key to decreasing manufacturing costs while at the same time increasing quality. Nonetheless, even in manufacturing simple flat parts, residual strains and stresses are unavoidable. For structural …
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Modeling Fiber Orientation using Empirical Parameters Obtained from Non-Lubricated Squeeze Flow for Injection Molded Long Carbon Fiber Reinforced Nylon 6,6
Long fiber reinforced thermoplastic composites are used for creating lightweight, but mechanically sound, automotive components. Injection molding is a manufacturing technique commonly used for traditional thermoplastics due to its efficiency and ability to create complex geometries. Injection …
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Nanomaterial-Enabled Out-of-Autoclave and Out-of-Oven Manufacturing of Fiber Reinforced Polymer Composites
Fiber reinforced polymer composite materials have been a staple of the aerospace industry, integral to creating lightweight flight vehicles due to their high specific material properties. These materials often come in a prepreg form, where microfibers are pre-impregnated with a polymer matrix to …
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Thermally-assisted frontal polymerization for rapid curing of fiber-reinforced polymer composites
Fiber-reinforced polymer composites (FRPCs) are widely used in a variety of applications owing to their excellent specific mechanical properties, chemical stability, and fatigue resistance. However, the state-of-the-art technologies for manufacturing FRPCs are intensive in terms of time and energy, …
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Manufacturing of thermosetting polymers and composites using frontal polymerization: A numerical study
Fiber-Reinforced Polymer Composite (FRPC) materials are vital to today's aerospace, automotive, marine, construction, and energy industries, and will be integral to the next generation of lightweight, energy-e cient structures owing to their excellent specific stiffness and strength, thermal …
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Polymer Stabilized Magnetite Nanoparticles and Poly(propylene oxide) Modified Styrene-Dimethacrylate Networks
… using well-defined, non-toxic, block copolymers, so that the resultant magnetite-polymer complexes can be used in a range of biomedical materials. Hydrophilic triblock copolymers with controlled concentrations of pendent carboxylic acids were prepared. The triblock copolymers contain …