Effect of fixation stitches on out-of-plane response of textile non-crimp fabric composites

Bhudolia, Somen K.; Kam, Kenneth Kc; Perrotey, Pavel; Joshi, Sunil Chandrakant

doi:10.1177/1528083718757525

Cited by 20 publications

(6 citation statements)

References 37 publications

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“…Stitching has proven to be a well-applied method to improve both the low-velocity impact [19,20] and high-velocity impact [21,22] strength of synthetic fiber composites. In addition, it was reported by Bhudolia et al [23] that both energy absorption and load peak were improved after stitching the carbon fiber-reinforced epoxy composite. However, the effect of the through-thickness stitching on the in-plane and through-thickness mechanical properties of the natural fiber-reinforced polymer composites has not been extensively investigated, as is the case for synthetic fiber-reinforced polymer composites [15,24].…”

Section: Introductionmentioning

confidence: 83%

Mechanical Performance of Unstitched and Silk Fiber-Stitched Woven Kenaf Fiber-Reinforced Epoxy Composites

et al. 2020

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Fiber composites are known to have poor through-thickness mechanical properties due to the absence of a Z-direction binder. This issue is more critical with the use of natural fibers due to their low strength compared to synthetic fibers. Stitching is a through-thickness toughening method that is used to introduce fibers in the Z-direction, which will result in better through-thickness mechanical properties. This research was carried out to determine the mechanical properties of unstitched and silk fiber-stitched woven kenaf-reinforced epoxy composites. The woven kenaf mat was stitched with silk fiber using a commercial sewing machine. The specimens were fabricated using a hand lay-up method. Three specimens were fabricated, one unstitched and two silk-stitched with deferent stitching orientations. The results show that the stitched specimens have comparable in-plane mechanical properties to the unstitched specimens. For the tensile mechanical test, stitched specimens show similar and 17.1% higher tensile strength compared to the unstitched specimens. The flexural mechanical test results show around a 9% decrease in the flexural strength for the stitched specimens. On the other hand, the Izod impact mechanical test results show a significant improvement of 33% for the stitched specimens, which means that stitching has successfully improved the out-of-plane mechanical properties. The outcome of this research indicates that the stitched specimens have better mechanical performance compared to the unstitched specimens and that the decrease in the flexural strength is insignificant in contrast with the remarkable enhancement in the impact strength.

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Section: Introductionmentioning

confidence: 83%

Mechanical Performance of Unstitched and Silk Fiber-Stitched Woven Kenaf Fiber-Reinforced Epoxy Composites

et al. 2020

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“…4 (a)), after reaching the maximum load, the impactor returns (without a drop in the load-deflection curve). In this case, no damage has happened to the structure [21,39]. At 20 J, (Fig.…”

Section: Characteristics Of Tp-htclsmentioning

confidence: 91%

Developing thermoplastic hybrid titanium composite laminates (HTCLS) at room temperature: Low-velocity impact analyses

Kazemi

Bodaghi

Shanmugam

et al. 2021

Composites Part A: Applied Science and Manufacturing

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“…Besides this, the development of new textile architectures such as thin spread tow fabrics [121][122][123] and the usage of novel resin systems can be coupled to ease the challenges associated with producing high performance composite parts. The development of thin ply fabrics is interesting for many industrial applications due to their potential to significantly improve the in situ mechanical properties and make the composite parts lighter.…”

Section: Future Perspectivesmentioning

confidence: 99%

Review: Filament Winding and Automated Fiber Placement with In Situ Consolidation for Fiber Reinforced Thermoplastic Polymer Composites

2021

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Fiber reinforced thermoplastic composites are gaining popularity in many industries due to their short consolidation cycles, among other advantages over thermoset-based composites. Computer aided manufacturing processes, such as filament winding and automated fiber placement, have been used conventionally for thermoset-based composites. The automated processes can be adapted to include in situ consolidation for the fabrication of thermoplastic-based composites. In this paper, a detailed literature review on the factors affecting the in situ consolidation process is presented. The models used to study the various aspects of the in situ consolidation process are discussed. The processing parameters that gave good consolidation results in past studies are compiled and highlighted. The parameters can be used as reference points for future studies to further improve the automated manufacturing processes.

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Effect of fixation stitches on out-of-plane response of textile non-crimp fabric composites

Cited by 20 publications

References 37 publications

Mechanical Performance of Unstitched and Silk Fiber-Stitched Woven Kenaf Fiber-Reinforced Epoxy Composites

Mechanical Performance of Unstitched and Silk Fiber-Stitched Woven Kenaf Fiber-Reinforced Epoxy Composites

Developing thermoplastic hybrid titanium composite laminates (HTCLS) at room temperature: Low-velocity impact analyses

Review: Filament Winding and Automated Fiber Placement with In Situ Consolidation for Fiber Reinforced Thermoplastic Polymer Composites

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