Low velocity impact response of 3D angle-interlock Kevlar/basalt reinforced polypropylene composites

Bandaru, Aswani Kumar; Patel, Shivdayal; Sachan, Yogesh; Alagirusamy, R.; Bhatnagar, Naresh; Ahmad, Siti Aqlima

doi:10.1016/j.matdes.2016.05.075

Cited by 107 publications

(36 citation statements)

References 33 publications

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“…Bandaru et al. [38] have reported that higher, lower and intermediate peak forces are exhibited by basalt 3D (B3D), Kevlar 3D (K3D) and hybrid 3D (Kevlar/basalt/PP) (H3D) composites, respectively, however, more energy absorption is exhibited by H3D composites. Hazzard et al.…”

Section: Introductionmentioning

confidence: 99%

Effect of through thickness separation of fiber orientation on low velocity impact response of thin composite laminates

Sharma

Khan

Ramachandran

2019

Heliyon

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The effect of separation of fiber orientation through the thickness of thin composites on their low velocity impact response is studied. The composites are prepared using unidirectional glass fiber reinforced epoxy through hand layup followed by vacuum bagging. The two dissimilar layups of composites considered have separation of composite layers with fibers having the same and different orientations through the thickness. The composites are subjected to low velocity impact using a drop-weight testing machine. The composites are evaluated using different performance parameters such as damage degree, first damage and maximum forces, first cracking energy, bending stiffness, elastic strain energy, elastic, residual and maximum displacements, permanent deformation, square-root delaminated area, delamination length and width, and contact duration. Among the two composites, it is observed that [90/-45/45/0] composite in which two layers with fibers having 90° and 0° orientations separating by two layers with fibers having -45° and 45° orientations, levels of deformation are lower and recorded force and square-root delaminated area are higher and lower, respectively for the same level of impact energy. Whereas, in case of [0/90/90/0] composite in which two layers with fibers having 0° orientations separating by two layers with fibers having 90° orientations, recorded force is lower and deformation and square-root delaminated area are higher. The [0/90/90/0] composite is having a comparatively more lateral spread of delamination and inter-layer opening than that of [90/-45/45/0] composite considering extensional and bending stiffnesses along longitudinal (A11, D11) and transverse (A22, D22) directions. This facilitates that lateral spread of damage within composite can be decreased by separating two layers of composite with 90° and 0° fiber orientations by two layers with -45° and 45° fiber orientations, i.e., [90/-45/45/0] composite.

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Section: Introductionmentioning

confidence: 99%

Effect of through thickness separation of fiber orientation on low velocity impact response of thin composite laminates

Sharma

Khan

Ramachandran

2019

Heliyon

View full text Add to dashboard Cite

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“…The primary cause of this phenomenon is Kevlar’s lower fiber/matrix adherence when compared to glass. 17…”

Section: Resultsmentioning

confidence: 99%

“…14 and Nasser et al., 15 and those with good fiber/matrix adherence, such as glass fiber and carbon, which display low impact resistance when compared to aramid. 16–19…”

Section: Introductionmentioning

confidence: 99%

The variation in low speed impact strength on glass fiber/Kevlar composite hybrids

Santos

Cunha

Amorim

et al. 2020

Journal of Composite Materials

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The aim of this study was to analyze the effect of hybridization on impact and residual strength in composites as well as the types of damage caused by the impacts, quantifying the delaminated area of the test specimens. Two 11-layer composite laminates were developed, one with bidirectional glass fiber woven and the other a hybrid with three layers of bidirectional aramid fiber substituting the outer layers and the middle layer of the glass fiber. The materials revealed that the hybrid laminate obtained greater impact strength withstanding one impact of 76 J, albeit with an increase in the damaged area of between 64 and 85 cm2, resulting in a decline in mechanical properties along nearly the entire test specimen. This contrasts with what occurred in the glass fiber laminates, which recovered over 80% of their mechanical properties for a distance of 35 mm from the edge of the impactor. Moreover, it demonstrated that the variation in residual strength can be represented by an equation and that there is a relation between the damage area and the residual properties of the glass fiber material.

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“…Bandaru et al [14] have observed that mechanical behavior of Kevlar and basalt fiber based hybrid composites make them suitable for armours and aerospace applications. In another study [15], they have found that Kevlar and basalt fiber based hybrid composites have higher impact strength with low density.…”

Section: Introductionmentioning

confidence: 95%

Evaluation of geometrical quality characteristics in pulsed Nd:YAG laser cutting of Kevlar-29/Basalt fiber reinforced hybrid composite using Grey relational analysis based on genetic algorithm

Gautam¹,

Mishra²

2019

FME Transactions

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In advanced machining techniques, laser beam cutting provides better control over the cut surface geometry in the cutting of fiber reinforced composites compared with conventional machining techniques due to its non-contact and localized processing. However, the performance of laser cutting for hybrid fiber reinforced polymer composites is yet to reveal. It has paved the way of present study, which reports on the pulsed Nd:YAG laser cutting of 1.35mm thick Kevlar-29 and Basalt fiber based hybrid composite sheet. The geometrical accuracy of the cut has been eveluated by the measured values of kerf width, kerf deviation, and kerf taper for 42 different combinations of five laser-cutting parameters such as lamp current, pulse width, pulse frequency, compressed air pressure and cutting speed. Moreover, an integrated approach based on Grey relational analysis and genetic algorithm (GRGA) has been used for the single index optimizations of different kerf qualities. Furthermore, parametric effects have been also discussed.

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Low velocity impact response of 3D angle-interlock Kevlar/basalt reinforced polypropylene composites

Cited by 107 publications

References 33 publications

Effect of through thickness separation of fiber orientation on low velocity impact response of thin composite laminates

Effect of through thickness separation of fiber orientation on low velocity impact response of thin composite laminates

The variation in low speed impact strength on glass fiber/Kevlar composite hybrids

Evaluation of geometrical quality characteristics in pulsed Nd:YAG laser cutting of Kevlar-29/Basalt fiber reinforced hybrid composite using Grey relational analysis based on genetic algorithm

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