Development and Characterization of Hybrid Composite using Pineapple and Glass Fibers

Grade separations have been used along High-Speed Rail (HSR) to decrease traffic congestion and the danger that occurs at grade crossings. However, the concern with grade separations is the potential damage due to lateral impact of bridge superstructures by over-height vehicles. This is a concern with existing bridges, and lateral impact is not included in standard bridge code provisions. A new bridge technology, Hybrid Composite Beam (HCB), was proposed to meet the requirements of another HSR objective, that of a sustainable solution for the construction of new and replacement bridges in rail infrastructure. The hybrid composite beam combines advanced composite materials with conventional concrete and steel to create a bridge that is stronger and more resistance to corrosion than conventional materials. The HCB is composed of three main parts; the first is a FRP (fiber reinforced polymer) shell, which encapsulates the other two parts. The second part is the compression reinforcement which consists of concrete or cement grout that is pumped into a continuous conduit fabricated into the FRP shell. The third part of the HCB is the tension reinforcement that could consist of carbon or glass fibers, prestressed strands, or other materials that are strong in tension, which is used to equilibrate the internal forces in the compression reinforcement. The combination of conventional materials with FRP exploits the inherent benefits of each material and optimizes the overall performance of the structure. The behavior of this novel system has been studied during the last few years and some vertical static tests have been performed, but no dynamic or lateral impact tests have been conducted yet. Therefore, the main objective of this study is to evaluate the performance of HCB when subjected to lateral impact loading caused by over-height vehicles. This paper explains the advantages of HCB when used in bridge infrastructures. The commercial software ABAQUS was used to perform the finite element (FE) modeling of a 30ft long HCB. Test data was used to validate the results generated by FE analysis. A constant impact loading with a time duration of 0.1 second was applied to an area at the mid-span of the HCB. Lateral deflection and stress distribution were obtained from FE analysis, and local stress concentration can be observed from the stress contour. Full-scale beam dynamic testing will be conducted in the future research to better study the behavior of HCB when subjected to over-height vehicles.

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Electrical, rheological and mechanical characterization of multiscale composite materials based on poly(etherimide)/short glass fibers/multiwalled carbon nanotubes

Composite Structures ◽

10.1016/j.compstruct.2013.02.025 ◽

2013 ◽

Vol 102 ◽

pp. 81-89 ◽

Cited By ~ 18

Author(s):

Axel Salinier ◽

Sylvie Dagréou ◽

Frédéric Léonardi ◽

Christophe Derail ◽

Nuria Navascués

Keyword(s):

Carbon Nanotubes ◽

Composite Materials ◽

Multiwalled Carbon Nanotubes ◽

Mechanical Characterization ◽

Glass Fibers ◽

Multiwalled Carbon ◽

Multiscale Composite ◽

Short Glass

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Flexural Response of Inorganic Hybrid Composites With E-Glass and Carbon Fibers

Journal of Engineering Materials and Technology ◽

10.1115/1.4000670 ◽

2010 ◽

Vol 132 (2) ◽

Cited By ~ 40

Author(s):

James W. Giancaspro ◽

Christos G. Papakonstantinou ◽

P. N. Balaguru

Keyword(s):

Carbon Fibers ◽

Hybrid Composite ◽

Composite Laminates ◽

Hybrid Composites ◽

Glass Fibers ◽

Composite Plates ◽

Carbon Composite ◽

Primary Objective ◽

Flexural Capacity ◽

Compression Failure

By far, carbon and glass fibers are the most popular fiber reinforcements for composites. Traditional carbon composites are relatively expensive since the manufacturing process requires significant heat and pressure, while the carbon fibers themselves are inherently expensive to produce. In addition, they are often flammable and their use is restricted when fire is a critical design parameter. Glass fabrics are approximately one order of magnitude less expensive than similar carbon fabrics. However, they lack the stiffness and the durability needed for many high performance applications. By combining these two types of fibers, hybrid composites can be fabricated that are strong, yet relatively inexpensive to produce. The primary objective of this study was to experimentally investigate the effects of bonding high strength carbon fibers to E-glass composite cores using a high temperature, inorganic matrix known as geopolymer. Carbon fibers were bonded to E-glass cores (i) on only the tension face, (ii) on both the tension and compression faces, or (iii) dispersed throughout the core in alternating layers to obtain a strong, yet economical, hybrid composite laminate. For each response measured (flexural capacity, stiffness, and ductility), at least one hybrid configuration displayed mechanical properties comparable to all carbon composite laminates. The results indicate that hybrid composite plates manufactured using 3k unidirectional carbon tape exhibit increases in flexural capacity of approximately 700% over those manufactured using E-glass fibers alone. In general, as the relative amount of carbon fibers increased, the likelihood of precipitating a compression failure also increased. For 92% of the specimens tested, the threshold for obtaining a compression failure was utilizing 30% carbon fibers. The results presented herein can dictate future studies to optimize hybrid performance and to achieve economical configurations for a given set of design requirements.

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Study of Fatigue and Bending Properties For Epoxy / Kevlar - Glass Fibers and Hybrid Composite

Baghdad Science Journal ◽

10.21123/bsj.11.2.540-546 ◽

2014 ◽

Vol 11 (2) ◽

pp. 540-546

Author(s):

Baghdad Science Journal

Keyword(s):

Fatigue Life ◽

Glass Fiber ◽

Fatigue Test ◽

Hybrid Composite ◽

Glass Fibers ◽

Fatigue Property ◽

Test Results ◽

Kevlar Fiber ◽

Prepared Material ◽

Better Than

In this research a study of the effect of quality, sequential and directional layers for three types of fibers are:(Kevlar fibers-49 woven roving and E- glass fiber woven roving and random) on the fatigue property using epoxy as matrix. The test specimens were prepared by hand lay-up method the epoxy resin used as a matrix type (Quick mast 105) in prepared material composit . Sinusoidal wave which is formed of variable stress amplitudes at 15 Hz cycles was employed in the fatigue test ( 10 mm )and (15mm) value 0f deflection arrival to numbers of cycle failure limit, by rotary bending method by ( S-N) curves this curves has been determined ( life , limit and fatigue strength) of composite . The results show us the reinforcement has important act to increased resistance to the fatigue compared with specimens have non reinforcement this side the specimens reinforcement of glass fiber have resistance to fatigue and fatigue life better than the specimens reinforcement of Kevlar fiber . According to hybrid composite sample fatigue test results showed that the sample which reinforced (Kevlar - regular glass – Kevlar) has a best results which showed stress carrying the most powerful and longer fatigue life with more than (1.3 ×10 6) cycle from other hybrids , while the sample with the sample with three Kevlar reinforced layers have less resistant to fatigue

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Preparation and characterization of Al18B4O33+BaPbO3/Al hybrid composite

Materials Letters ◽

10.1016/j.matlet.2008.01.010 ◽

2008 ◽

Vol 62 (17-18) ◽

pp. 2670-2672 ◽

Cited By ~ 6

Author(s):

G.H. Fan ◽

L. Geng ◽

Z.Z. Zheng ◽

G.S. Wang ◽

P.Q. Zheng

Keyword(s):

Hybrid Composite

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Synthesis and Characterization of Silver Immobilized on Glass Fibers

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.602-604.148 ◽

2012 ◽

Vol 602-604 ◽

pp. 148-152

Author(s):

Lek Sikong ◽

Wasin Triprakong

Keyword(s):

Surface Coating ◽

Glass Fibers ◽

Nano Particles ◽

Growth Morphology ◽

Hydrophobic Property ◽

Temperature Synthesis ◽

X Ray ◽

High Temperature Synthesis ◽

Calcined Temperature

Silver nano-particles (AgNPs) films were prepared and coated on glass fibers by reduction of [Ag(NH3)2]+ complex with sucrose at temperature of 400-600°C. The effect of AgNO3 solution used as a source of silver was also investigated. The synthesized films were characterized by scanning electron microscopy (SEM), X-ray diffractometer (XRD) and electron dispersive X-ray spectrometer (EDX). It was found that both concentration and temperature have an effect on crystal growth, morphology and hydrophobic property of silver nanoparticles on surfaces of glass fibers. High temperature synthesis can partially cause grain coarsening of AgNPs on the films. The hydrophobic property of these silver coarsened grains was found to increase at the calcined temperature of 600°C, leading to easily removed from the surface coating.

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