Transversal reinforcement of composite materials using ultrasonic vibrations

Tomashevskii, V. T.; Shalygin, V. N.; Романов, Д. А.; Sitnikov, S. Yu.

doi:10.1007/bf00616801

Cited by 9 publications

(2 citation statements)

References 2 publications

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“…An alternative approach to improve the ultimate strength of joints is to reinforce the bonded region with stitches [1][2][3][4][5][6][7][8][9], rods or pins [10][11][12][13][14][15][16][17][18]. Stitching with high strength fibrous yarns through the overlap region of a joint improves both the tensile strength (up to 40%) and fatigue performance (up to two orders of magnitude) [6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Properties and failure mechanisms of pinned composite lap joints in monotonic and cyclic tension

Chang

Mouritz

Cox

2006

Composites Science and Technology

110

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Section: Introductionmentioning

confidence: 99%

Properties and failure mechanisms of pinned composite lap joints in monotonic and cyclic tension

Chang

Mouritz

Cox

2006

Composites Science and Technology

110

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“…Simply using resin as a binder often gives a low interfacial toughness. The most common interfacial toughening technique for structural applications is Z-pinning [11,12]. Although this technique can effectively prevent laminar delamination, it greatly increases the complexity of structure and processing cost.…”

Section: Introductionmentioning

confidence: 99%

Influences of dispersion types and area densities of chopped fiber‐based interfacial reinforcements on mechanical properties of sandwich structures

Zhi

Chen

et al. 2018

Polymer Composites

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Chopped carbon fibers with different dispersion types (colony type and uniform type) and area densities were inserted at sandwich beams, consisting of a PVC foam core covered with two glass fiber/epoxy composite face sheets. The effects of this reinforcement on the interfacial bonding between PVC foam core and glass fiber face sheets were evaluated. Their mechanical properties were measured by three-point-bending and Charpy impact tests. Their structures after mechanical failure were observed by scanning electron microscopy. Compared with the beam without interfacial reinforcement, the bending strength, energy absorption, and impact strength after interfacial reinforcement using 20 g/m 2 uniform chopped fibers increased by up to 109%, 184%, and 47%, respectively, surpassing those of other chopped fiber mats. The weight percentage of carbon fibers/sandwich structure was less than 1%, so the chopped carbon fiber interleave had both cost effectiveness and outstanding structural performance. The improvement of interlayer toughness can mainly be attributed to the fiber bridging structure and the interlayer strength. POLYM. COMPOS., 00:000-000, FIG. 7. Impact toughness of sandwich samples with different distribution chopped fiber sandwich. (The error bars mark the standard deviation, and minimum five specimens were tested for each case.) [Color figure can be viewed at wileyonlinelibrary.com.]

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Impregnation of fibrous fillers with polymeric binders 6. Effect of parameters of ultrasound treatment on strength properties of wound fibrous composites

et al. 1990

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Transversal reinforcement of composite materials using ultrasonic vibrations

Cited by 9 publications

References 2 publications

Properties and failure mechanisms of pinned composite lap joints in monotonic and cyclic tension

Properties and failure mechanisms of pinned composite lap joints in monotonic and cyclic tension

Influences of dispersion types and area densities of chopped fiber‐based interfacial reinforcements on mechanical properties of sandwich structures

Impregnation of fibrous fillers with polymeric binders 6. Effect of parameters of ultrasound treatment on strength properties of wound fibrous composites

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