Improvement in the fracture toughness (Mode I) of laminated glass fabric composites through air-jet texturing

Mahmood, Ali Hasan; Gong, Rong; Porat, I.

doi:10.1007/s12221-013-0591-8

Cited by 4 publications

(2 citation statements)

References 7 publications

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“…[1][2][3][4] Interlaminar crack growth occurs due to crack opening, shearing, out-of-plane tearing, and mixed modes, and interlaminar fracture toughness is obtained using the stress intensity factor or the strain energy release rate in Modes I, II, and III. [5][6][7][8] In this regard, simple and reliable tests are required in order to compare and evaluate composite structures made of different materials in terms of interlaminar fracture toughness. Several testing methods have been introduced for Mode I and mixed Mode I-II failure.…”

Section: Introductionmentioning

confidence: 99%

Investigation of crack propagation in filament wound composite samples of Mode-I by using acoustic emission technique

Farajpour,

Najafabadi

2023

Journal of Composite Materials

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A common industrial method of fabricating composite structural is filament winding, which is widely used to manufacture axisymmetric components. One of the most prevalent damage mechanisms in these composite structures is delamination, which occurs in various types of loading. In this research, the mechanical behavior and propagation of the initial crack of Mode-I in carbon/epoxy filament wound (FW) composite curve beams have been investigated via the acoustic emission (AE) method. For this purpose, at first, a composite tube was made with considering the artificial interlayer separation, and the beam specimens were cut from the longitudinal direction. At first, the initiation of the failures was determined using the AE method. Then, the growth and spread of interlayer delamination were investigated by the energy of AE signals and the sentry function. By determining the speed of the AE waves and providing a method to filter unwanted signals, the momentary position of the interlayer delamination tip during growth is predicted. The results showed that the fiber bridging phenomenon was due to the penetration of the two regions adjacent of the separation interface, and the fiber bridging length considerably affected the Mode-I delamination fracture toughness. In addition, the fracture toughness increased as the fiber bridging zone enlarged. Finally, good agreement was observed between the fracture toughness values obtained from the AE method and those found in the standard ASTM D5528.

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Section: Introductionmentioning

confidence: 99%

Investigation of crack propagation in filament wound composite samples of Mode-I by using acoustic emission technique

Farajpour,

Najafabadi

2023

Journal of Composite Materials

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“…Koc et al (2008) analysed the effect of airtexturing on adhesion behaviour to rubber and concluded that air-jet texturing increase the surface area of the yarn structure and higher adhesion of polyester fabric to rubber could be achieved by air-jet texturing. Research by Mahmood et al (2013aMahmood et al ( , 2013b) used core-effect textured glass yarns for improving the bonding strength of laminated glass woven fabric composites and conclude that the air-jet texturing introduces bulk and loops in the yarn which provides more contact surface between the fibres and the resin.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the influence of effect-yarn draw and effect-yarn overfeed on texturing performance: comparison between air-jet and steam-jet textured yarn

Wickramasinghe

Foster

2014

Fashion and Textiles

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The objective of this research work was to investigate the use of steam as a substitute fluid for air in spun-like textured yarn manufacturing. The new substitute product holds the potential for competitive advantage, lower manufacturing costs and streamlined manufacturing capabilities. Generally high-pressure steam is known to be cheaper to produce than compressed air. An existing air-jet texturing machine was modified to supply either air or steam to the texturing nozzle. Using an identical nozzle, both air-jet and steam-jet textured yarns were manufactured. The influence of effect-yarn parameters on the steam-jet texturing performance has been studied. Furthermore, steam-jet texturing was compared with air-jet texturing in terms of the processing parameters and the textured yarn properties. The results show that spun-like textured yarn manufactured using steam has lower loop instability, lower loop density and higher tensile properties than air at comparable fluid pressures. SEM image analysis shows that the entangled structure of the steam-jet textured yarns is comparable to the air-jet textured yarns. To verify the commercial feasibility of the new product, sewing threads were manufactured using both steam-jet and air-jet textured yarns and tested for sewability under commercial specifications. Sewability results indicated that the steam-jet textured sewing threads can withstand sewing at high-speeds like air-jet textured threads and are therefore suitable for manufacture of sewing threads. Therefore, it can be concluded that steam can be used as an alternative fluid for air in making spun-like textured yarns.

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Hybrid multi-scale basalt fiber-epoxy composite laminate reinforced with Electrospun polyurethane nanofibers containing carbon nanotubes

et al. 2014

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Improvement in the fracture toughness (Mode I) of laminated glass fabric composites through air-jet texturing

Cited by 4 publications

References 7 publications

Investigation of crack propagation in filament wound composite samples of Mode-I by using acoustic emission technique

Investigation of crack propagation in filament wound composite samples of Mode-I by using acoustic emission technique

Investigation of the influence of effect-yarn draw and effect-yarn overfeed on texturing performance: comparison between air-jet and steam-jet textured yarn

Hybrid multi-scale basalt fiber-epoxy composite laminate reinforced with Electrospun polyurethane nanofibers containing carbon nanotubes

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