Studies on the low-velocity impact response of woven hybrid composites

Hosur, Mahesh; Adbullah, M.; Jeelani, Shaik

doi:10.1016/j.compstruct.2004.07.024

Cited by 270 publications

(137 citation statements)

References 20 publications

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“…Bazhenov [5] presented the energy dissipation by bulletproof aramid fabric, while Iremonger and Went [6] studied the mechanism of penetration for ballistic impact on composite armors. Hosur et al [7,8] and Siow and Shim [9] studied behavior of various types of composite laminates under low velocity impact and compared their results with ultrasonic c-scans of the damaged laminates. Pearson et al [10] did global-local assessment of woven composites, where global measurements were taken from low-velocity impact experiments and local strain measurements were 2 Advances in Mechanical Engineering (a) Basket weave pattern of E-Glass/epoxy composite laminate [24] (b) FE mesh of E-Glass/epoxy composite laminate obtained using optical Fiber Bragg Grating (FBG) sensors and mapped the failure for two-and three-dimensional woven composites.…”

Section: Introductionmentioning

confidence: 99%

On the Behavior of Fiberglass Epoxy Composites under Low Velocity Impact Loading

Chandekar

Thatte

Kelkar

2010

Advances in Mechanical Engineering

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Response of fiberglass epoxy composite laminates under low velocity impact loading is investigated using LS-DYNA , and the results are compared with experimental analysis performed using an instrumented impact test setup (Instron dynatup 8250). The composite laminates are manufactured using H-VARTM c process with basket weave E-Glass fabrics. Epon 862 is used as a resin system and Epicure-W as a hardening agent. Composite laminates, with 10 layers of fiberglass fabrics, are modeled using 3D solid elements in a mosaic fashion to represent basket weave pattern. Mechanical properties are calculated by using classical micromechanical theory and assigned to the elements using ORTHOTROPIC ELASTIC material model. The damage occurred since increasing impact energy is incorporated using ADVANCED COMPOSITE DAMAGE material model in LS-DYNA . Good agreements are obtained with the failure damage results in LS-DYNA and experimental results. Main considerations for comparison are given to the impact load carrying capacity and the amount of impact energy absorbed by the laminates.

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Section: Introductionmentioning

confidence: 99%

On the Behavior of Fiberglass Epoxy Composites under Low Velocity Impact Loading

Chandekar

Thatte

Kelkar

2010

Advances in Mechanical Engineering

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“…As results of this, many researchers have presented numerous studies to investigate the impact behavior of composite materials. Hosur et al, [2] presented an experimental study to determine the response of four different combinations of hybrid laminates subjected to low velocity impact loading. They also investigated carbon/epoxy and glass/epoxy laminates to compare the response of hybrid laminates by using vacuum assisted resin molding process.…”

Section: Introductionmentioning

confidence: 99%

Effect of embedded delaminations on impact behavior of laminated composites

Sabanci¹,

Karakuzu²

2013

Pamukkale J Eng Sci

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In this study, the influence of size and location of embedded delamination on impact behavior of laminated composite was investigated, experimentally. The specimens were produced as for with and without delamination by vacuum assisted resin infusion molding method (VARIM). CEAST-Fractovis plus impact test machine was used in the experiments.As a result of the experiments, the location of delamination on the impact behavior was seen to be more effective than the size of delamination.

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“…The shapes of the curves showed that the samples tested at impact energy of 4.5 J exhibited load-time response that is symmetrical with equal loading and unloading for both modified and unmodified glass fiber reinforced composites. This is an indication that samples tested at this impact energy were essentially undamaged (Hosur et al, 2005). Both composites also, exhibited unsymmetrical curve shape at higher impact test energy of 18 and 27 J respectively, indicating unequal loading and unloading at those test impact energies.…”

Section: Drop Weight Analysis Of Compositementioning

confidence: 74%

Effect of dioctyl phthalate (DOP) modified matrix on the thermal stability of glass fiber reinforced composite

Isa¹,

Ahmed²,

Aderemi³

et al. 2014

J. Chem. Eng. Mater. Sci.

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Unsaturated polyester was modified with dioctyl phthalate (DOP) and used as matrix in glass fiber reinforced composite. The effect on the thermal stability of the composite was studied in this work. The results of the modification showed that modified matrix had the best thermal stability at 5 wt% DOP with temperature of 373°C at 20% weight loss as compared with unmodified of temperature of 346°C at the same weight loss. The analysis of the resultant composites also indicated that the composite with modified matrix had better thermal stability having 65% of its weight left at 897°C as compared with unmodified matrix with 53% of its weight at the same temperature. The drop weight impact test conducted did not show any significant difference in the properties of the modified composite and unmodified.

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Studies on the low-velocity impact response of woven hybrid composites

Cited by 270 publications

References 20 publications

On the Behavior of Fiberglass Epoxy Composites under Low Velocity Impact Loading

On the Behavior of Fiberglass Epoxy Composites under Low Velocity Impact Loading

Effect of embedded delaminations on impact behavior of laminated composites

Effect of dioctyl phthalate (DOP) modified matrix on the thermal stability of glass fiber reinforced composite

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