Experimental Measurements of the Mechanical Behavior of the Composite Materials and Hybrid Materials Subject to Tensile Test (original) (raw)
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Experimental Evaluation of Mechanical Properties of Hybrid Composites
This century has seen remarkable accomplishments in green innovation in material science through the improvement of natural and metal fiber-reinforced composites. The improvement of superior engineering products made from natural resources increasing day by day. Natural fibers are considered one of the environmentally friendly materials such as i.e. (Hemp, Sisal, Flax). Which have good properties compared to plastics and also low cost with low density, these are also biodegradable. This paper explores an overview of natural fiber and metal laminated reinforced composites. Mechanical behaviors according to their composition were discussed. Mechanical properties have been determined by performing different tests such as Hardness, Tensile, Volatile analysis, Stress analysis, density analysis on specified machines which are clearly discussed in this paper. This paper also gives brief information about several methods used in the manufacturing of natural and metal fiber-reinforced composites. The properties of materials have also been discussed.
Microstructural Study and Evaluation of Few Mechanical Properties of Hybrid Composites
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Limitations of monolithic composite can be addressed by hybrid composites which are gaining importance in field of composites. An attempt has been made in making of hybrid composite comprising of bi-directional plain weaved Kevlar, S-glass and E-glass fibers reinforcements and epoxy matrix by vacuum bagging and hand layup methods. Few tests such as Hardness, Impact strength and Inter-laminar shear strength tests are conducted as per ASTM standards. Characterization of composites was carried out using SEM to analyze the material bonding, defects and failure behavior under load conditions. S-glass composite outperformed other composites performing better in all the test conditions but when combined with Kevlar the reduction in property is minimal and even microstructural study showed bonding of S-glass and Kevlar hybrids compared to S-glass is acceptable
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Tremendous growth has been incorporated in the field of composite materials in the current scenario where the engineering applications are highly demandable. Currently composites are being used to replace conventional metallic materials in a wide range of industries including aerospace, defense, aircraft, and textile which require structural materials with high strength-to-weight and stiffness-to-weight ratios. Also natural fiber composites are currently replacing synthetic fiber composites of different applications in various engineering industries due to their low cost and eco-friendly in nature. In this work, twisted kenaf, and twisted kevlar (aramid fibers) have combined together to enhance the mechanical properties and also to improve high impact resistance with less contribution of kevlar which is very high in cost categorized next to carbon fibers. Here, the hybrid composites (natural and aramid) are done by using hand layup method, and various mechanical properties have been...
A STUDY ON MECHANICAL BEHAVIOUR OF HYBRID COMPOSITES
Transstellar journal, 2018
Composite containing more than one type of fiber known as hybrid composites. Natural fibers and artificial fibers can be used for fabrication of Hybrid composites. Hybrid composites will give mechanical properties than fiber reinforced composites. The element of fibers in Hybrid composite, the elements of fibers can be changed in different ways leading to variation in its properties. For preparing the hybrid composites using different fibres reinforced with matrix. Hybrid composite has wider applications across industries such as aerospace, automobiles, Marine etc. In this paper, fabrication of hybrid composites is done manually using hand lay-up method. It is then subjected to a compressive load for thorough distribution of resin in respective lamina. The fabricated composite is tested for its flexural and tensile properties. The result obtained are further analysed for the study of the material fabricated.
The Effect of Hybridization on Mechanical Behaviour of Kevlar and Natural Fiber Reinforced Composite
International Journal of Mechanical and Production Engineering Research and Development, 2019
Fiber Reinforced Polymer (FRP) composite is finding application in many fields such as structural elements, roof panels, wind mill blades etc., due to its low cost, high strength to weight ratio and stiffness to weight ratio. In this paper, initially four varieties of FRP reinforced with natural fibers like jute, flax, sisal and hemp have been numerically studied under modal analysis and static structural analysis by using ABAQUS/CAE-6.14 software. Moreover, numerical simulation and experimental analysis were carried out by replacing top and bottom natural fabric layer by Kevlar-29, keeping the same core of natural fibers. The substantial increase of around 54% in natural frequency and 20 % in flexural strength were observed in the hybrid FRP compared to Natural fabric FRP. The panels were fabricated by vacuum bagging technique and the volume fraction of fibers was 38%. Amongst all the varieties of FRP panels under study, the hybrid panel made of kevlar and hemp showed maximum natural frequencies
IRJET, 2022
With the growing applications of composite materials in industry, it is becoming more involved with regard to characterization of them for carrying out analysis. Especially usage of hybrid composites is finding enormous applications now days. Composite materials give freedom to stitch them to meet particular design criteria as they posses' intrinsic coupling effects. Scientists from all around the world are interested in the possibilities of natural fiber-plastic composites that use jute, wood, hemp, coir, or sisal as reinforcing fibre in a thermosetting resin matrix. Since demand for lightweight materials with high strength for specific applications grow, composites reinforced with synthetic or natural fibres are becoming more important. The major applications are found in aerospace, military and navy industries. Characterization of composite materials and the associated fabrication methods pose a big challenge to the engineers as the behavior of them is going to be anisotropic in nature because of these. In the present study, an effort has been made to characterize the hybrid composite materials experimentally through fabrication and testing using jute cloth/polyester and chopped E-glass/polyester materials. Hand layup technique is used for fabrication of specimens, followed by cutting and testing. Tensile test, flexural test and charpy tests are carried out to evaluate the young's modulus, flexural strength and impact strength respectively.
IJERT-Experimental Study on Mechanical Properties of Hybrid Composite Material
International Journal of Engineering Research and Technology (IJERT), 2019
https://www.ijert.org/experimental-study-on-mechanical-properties-of-hybrid-composite-material https://www.ijert.org/research/experimental-study-on-mechanical-properties-of-hybrid-composite-material-IJERTCONV7IS07003.pdf Hybrid composites occupying the space of conventional materials by satisfying the requirements of different sectors like aerospace industries, Automobile industries, ship building and various bio-medical sectors. The main reason to substitute conventional materials is the hybrid composites giving same or more required properties with less weight and cost than conventional materials and maximum output in minimal consumption with better life expectancy to find the economical means of utilizing the technology for different applications. This let to huge industrial revolution and made interests on study of behavior of hybrid composites. Here an attempt is made to study, observe and compare to know the various mechanical behaviors of the hybrid composite material.
This project presents the study of tensile, flexural & moisture absorption properties of composites made from Sglass, Carbon and E-glass fibre. The specimens are prepared using hand lay-up techniques as per ASTM standard for different thickness 2mm and 3mm and fibre orientation of 30º, 45º and 60º, where an attempt is made to study the properties of composite materials by composing the different materials together to obtain the desired properties by increasing the thickness and fibre orientation. By the variation of thickness tensile strength of hybrid composite is observed for each thickness and is compared with the finite element analysis results. The test ready specimens were subjected to tensile and flexural loads on UTM. This research indicates that tensile strength is mainly dependent on the fiber orientation & thickness of laminated polymer composites. The moisture absorption increases with the fibre, filler content and duration of immersion in water.
Evaluation of tensile properties on Glass/Carbon/Kevlar fiber reinforced hybrid composites
Composites made of synthetic fiber combined hybrid composites are find many industrial applications. Due to high strength to light weight ratio, higher modulus significantly reduced cost. In this research, composite fiber in woven mat form is added to matrix element with varying stacking sequences of symmetrical laminates. Four various hybrid laminate composites having glass, kevlar and carbon fibers are the reinforcements in varying stacking sequences are produced using hand lay-up technique followed by compression molding. The mechanical strength of the produced composite is evaluated. Experimental results found that composite having stacking sequences of Carbon-Kevlar-Carbon-Kevlar-Carbon (C-K-C-K-C) has the highest value of tensile strength 385.09 MPa respectively. Scanning Electron Microscope (SEM) is used to examine the morphology of fractured surface of hybrid composites during testing. SEM images revealed that hybrid composite with C-K-C-K-C had less defects on its fractured surface compared to other counter parts of the hybrid composites.
Mechanical characterization of hybrid composites: A review
Journal of Reinforced Plastics and Composites, 2014
Although natural fiber-based composite materials attract with their special features like low specific weight, biodegradability and easy processing, these fibers in combination with artificial fibers show interesting properties and are suitable for certain engineering applications. Such engineered biocomposites are needed to meet the needs of users of construction and commodity products which will simultaneously maximize the sustainability of natural resources. Various researchers researched to develop and characterize such materials. This paper throws a light on recent trends, developments, advancements and applications of hybrid composite materials.