Mechanical Properties of Hybrid Glass/Carbon Fiber Reinforced Epoxy Composites

Bhagwat, P.M.; Ramachandran, M; Raichurkar, Pramod

doi:10.1016/j.matpr.2017.07.067

Cited by 47 publications

(22 citation statements)

References 2 publications

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“…where σ 1 is the stress computed in 1 (longitudinal direction similar to loading direction) and P ult is the maximum load recorded by the load cell upon failure/rupture of the specimen under tensile loading [15]. journal.ump.edu.my/ijame ◄…”

Section: Uniaxial Tensile Test (Astm D3039)mentioning

confidence: 99%

Characterisation of Hybrid Carbon Glass Fiber Reinforced Polymer (C/GFRP) of Balanced Cross Ply and Quasi Isotropic under Tensile and Flexural Loading

Ghani

Mahmud

2020

IJAME

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Carbon fibres(CF), having a low elongation at break (approximately 2%) leads to the brittle fracture of its composites. In the hybridisation coming from the use of two or more types of fibres reinforced the same resin, the disadvantages of one type fibres can be balanced by the advantages of the others [1]. It also provides recommendations for experimental measurements of the hybrid effect, which is a synergetic increase of the failure strain of low elongation fibres when hybridised with higher elongation fibres. This implies that the carbon fibres (CF) has a very low strain to failure and is regarded as a disadvantage for the use of carbon fibre reinforced polymers (CFRP) when utilised as structural members that will be subjected to tensile, compressive, shear and or/flexural loading. On the other hand, glass fibres (GF) which have much lower strength than carbon fibres but are tougher due to higher strain-to-failure. It has been proved that incorporation of GF into CF is possible to improve the failure strain of CFRP, turning the materials to a combination system called hybrids [2] [3]. Apart from the toughness issue, CF are also very expensive which is regarded as the main drawback why CFRP are only popular in aero industries and automotive sector where weight saving is considered to be the primary concern [3]. GF are cheaper than CF and the glass fibre reinforced polymers (GFRP) have been increasingly used to replace steel in automotive industry. The use of CFRP could yield a 40-60% weight reduction; but its adoption rate still remains low. The hybridisation of GF into CF selectively could be an effective way to reduce vehicle weight without excessive cost [4]. Tensile and Flexural Behaviour of Hybrid Composite MaterialFibre-hybrid composites are attracting an ever-increasing interest from academia and industry. It is therefore vital to develop a solid understanding of their basic mechanical properties. Measuring and predicting the tensile failure of hybrid composites however remains a challenging task. Several scholars provide recommendations for experimental measurements of the hybrid effect, which is a synergetic increase of the failure strain of low elongation fibres when hybridised with higher elongation fibres. The hybridisation may also result in the improvement of composites mechanical properties characterised by the increase of ultimate tensile strain compared with those of low elongation non-hybrid fibre reinforced composites [2][5][6] [5]. Like most materials, fibre reinforced polymers (FRP) face the strength versus toughness dilemma. For example, in the case of carbon fibre (CF) being well known for having superior strength and stiffness; but these high strength and stiffness come at the expense of its low toughness. Relative glass/carbon ratios significantly influence the flexural properties, and laminate geometry further optimises them. Utilisation of hybridisation ABSTRACT -This study is performed to characterize composite material of hybrid carbon glass reinforced polymer (C/GFRP) of two (2) t...

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Section: Uniaxial Tensile Test (Astm D3039)mentioning

confidence: 99%

Characterisation of Hybrid Carbon Glass Fiber Reinforced Polymer (C/GFRP) of Balanced Cross Ply and Quasi Isotropic under Tensile and Flexural Loading

Ghani

Mahmud

2020

IJAME

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“…The enhancement seen in the flexural properties was expected since various investigators have reported that when rigid synthetic and natural fibers are added to the polymer materials, the mechanical properties are drastically improved. 35 The presence of the randomly oriented hybrid fibers within the blend matrix might reinforce the F s and F m of the polymer blend by absorbing the energy from the applied mechanical stress and homogeneously disperse it over a larger volume of the material. 36 To better clarify, the presence of two advanced hybrid fibers, which are featured by their high mechanical strength and modulus that are able to proportionally bear a considerable amount of the applied stress, along with their uniform dispersion, a strong interfacial interaction, and relatively high fiber contents achieved by using the silane coupling agent were possibly the main reasons for the enhancements seen in the flexural properties of the prepared HCs.…”

Section: Resultsmentioning

confidence: 99%

High-performance polymer composites with enhanced mechanical and thermal properties from cyanate ester/benzoxazine resin and short Kevlar/glass hybrid fibers

Zegaoui

Derradji

Dayo

et al. 2018

High Performance Polymers

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The investigation and design of new polymeric materials with an astonishing combination of properties are nowadays of great importance to facilitate the manufacturing process of high-quality products intended to be utilized in different applications and technical fields. For this intent, novel high-performance blend composites composed of the cyanate ester/benzoxazine resin blend reinforced by different proportions of silane-surface modified Kevlar and glass fibers were successfully fabricated by a compression molding technique and characterized by different experimental tests. The mechanical test results revealed that the bending and impact strength properties were considerably improved when increasing the amount of the hybrid fibers. The studied materials also presented excellent thermal stabilities as compared to the unfilled blend’s properties. With respect to the properties of the reinforcing systems, these improvements seen in either the mechanical or thermal properties could be due to the good dispersion as well as excellent adhesion of the reinforcing fibers inside the resin matrix, which were further evidenced by the Fourier transform infrared spectroscopy and scanning electron microscopy results. Consequently, the improved mechanical and thermal properties promote the use of the fabricated hybrid composites in domestic and industrial applications requiring functional materials with advanced properties for aerospace and military applications.

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“…Additionally, the tensile strength of the composites could be improved by using epoxy and polyester resins as shown in RE and RP composites. This may be due to better adhesion of the glass fiber to the matrix (Bhagwat et al, 2017).…”

Section: Tensile Strength Of Compositesmentioning

confidence: 99%

“…Specifically, the requirements of fibers for matrix reinforcement should meet a good length-to-width ratio, environmental stability, uniformity, and flexibility. Additionally, the fibers can protect against unfavorable environmental conditions and maintain their place throughout the matrix (Bhagwat et al, 2017). Practically, fiber-reinforced polymers (FRP) are designed for replacing naturally biomedical materials.…”

Section: Introductionmentioning

confidence: 99%

Mechanical properties of Carbon-matrix composites for a blade runner’s artificial leg

et al. 2021

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The use of fiber-reinforced polymer (FRP) for prosthetic devices is now very common. Various polymer resins have been reinforced the fiber yielding composite with better strength-to-weight characteristics compared to a single material and also providing better biocompatibility. The purpose of the present study was to examine a single glass, carbon fiber with various matrix combinations for a composite of a blade runner's artificial leg. The polymer matrices, namely epoxy bakelite (ER), casting (CR), orthocryl (OR), and polyester (PR) resins were selected, while evaluations of mechanical and physical properties of composite samples

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Mechanical Properties of Hybrid Glass/Carbon Fiber Reinforced Epoxy Composites

Cited by 47 publications

References 2 publications

Characterisation of Hybrid Carbon Glass Fiber Reinforced Polymer (C/GFRP) of Balanced Cross Ply and Quasi Isotropic under Tensile and Flexural Loading

Characterisation of Hybrid Carbon Glass Fiber Reinforced Polymer (C/GFRP) of Balanced Cross Ply and Quasi Isotropic under Tensile and Flexural Loading

High-performance polymer composites with enhanced mechanical and thermal properties from cyanate ester/benzoxazine resin and short Kevlar/glass hybrid fibers

Mechanical properties of Carbon-matrix composites for a blade runner’s artificial leg

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