Assessment of induced delamination drilling of natural fiber reinforced composites: a statistical analysis

Benyettou, Riyadh; Amroune, Salah; Slamani, M.; Seki, Yasushi; Dufresne, Alain; Jawaid, Mohammad; Alamery, Salman

doi:10.1016/j.jmrt.2022.08.161

Cited by 11 publications

(11 citation statements)

References 45 publications

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“…Drilling natural fiber composites is a critical step in the production of natural products. In the most of drilling of natural fiber composites, the influences of various drilling parameters on the delamination factors and surface damages were only discussed [40,41]. In this research, two drilling characteristics, ovality and delamination factors are discussed to enhance the fabrication characteristics using natural fibers.…”

Section: Analysis Of Drilling Characteristicsmentioning

confidence: 97%

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Influences of various natural fibers on the mechanical and drilling characteristics of coir-fiber-based hybrid epoxy composites

Boopathi¹,

Balasubramani

Kumar³

2023

Eng. Res. Express

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In this research, the hybrid natural fiber composite specimens were fabricated with a 64 wt.% epoxy resin matrix, 20 wt.% coir fiber, and 16 wt.% of various natural fibers by the hand-layup method. The influences of various natural fibers (Coir, Jute, Flax, Cotton, Human Hair, Sisal, Kenaf, and Calotropis) on the mechanical characteristics (tensile, flexural, and impact strengths) and drilling properties (delamination factor and ovality) of the Coir-fiber based hybrid composite have been investigated. The maximum tensile strength (48.15 MPa), maximum flexural strength (47.87 MPa), and maximum impact strength (2.85 kJ/m2) have been obtained by Coir/Flax, Coir/Sisal, and Coir/Hair Fiber hybrid composite materials, respectively. The minimum delamination factor (1.0) and ovality (169.4 µm) were obtained by coir/flax and coir/jute hybrid composite specimens when compared to other combinations of specimens. The delamination factor and ovality of the drilled hole of all combinations of hybrid composite specimens have been analyzed by scanning electron microscopy (SEM) images. The delamination factors of Coir/Flax and the drilling ovalities of Coir/Jute composite specimens are lower than those of other combinations of Coir-fiber-based composites.

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Section: Analysis Of Drilling Characteristicsmentioning

confidence: 97%

“…The ovality of the drilling hole for the specimens is shown in table 6. The delamination factor is determined by the ratio of the maximum delaminated diameter to the drill hole diameter [40]. It is used to quantify the damaged drill hole surfaces, which enlarge the dimensions of the hole.…”

Section: Preparation Of Composite Specimens and Performing Drilling O...mentioning

confidence: 99%

Influences of various natural fibers on the mechanical and drilling characteristics of coir-fiber-based hybrid epoxy composites

Boopathi¹,

Balasubramani

Kumar³

2023

Eng. Res. Express

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“…Recent studies in natural composites are the parametric study of conventional machining processes in natural composites. 51…”

Section: Conventional Machining Processesmentioning

confidence: 99%

“…Compared to coated tools, uncoated tools induce fewer delamination. 51 In order to understand the effects of torque, delamination, and thrust force on woven sisal fiber-reinforced polymer composites, Kiran and his co-workers performed the ANOVA and Grey regression analysis. They found that the quality of the drilled hole can be enhanced by choosing the ideal machining condition.…”

Section: Drillingmentioning

confidence: 99%

A comprehensive review on the machining and joining characteristics of natural fiber‐reinforced polymeric composites

Varma,

Chandran,

Vijay Kumar

et al. 2024

Polymer Composites

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Natural fiber composites are gaining interest in many industries, particularly the automotive and aerospace industries. One of the critical secondary activities required to produce a near‐perfectly shaped product is machining. The majority of product components had to be assembled before they could be used. This article reviews the various conventional and non‐conventional machining processes and its influential parameters investigated by various researchers. Non‐traditional machining is now proving to be a better choice than traditional machining. Non‐traditional machining has several advantages, including the absence of thrust force, chatter or vibration, minimal tool wear, and lower frictional heat. Delamination is the major issue occurring in the conventional machining processes like drilling. Researchers are more focused on the non‐conventional machining processes like abrasive water jet machining. Joining of natural fiber reinforced composites is another aspect discussed in this article. Adhesive joining is the most preferable joining method in the natural composites. The joining technique is also influenced by the intricacy of the materials to be bonded. Microwave joining and induction joining processes are the new methods of natural composites joining. This review also covers the various joining processes in the natural reinforced composite materials.

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“…A comparative study evaluating different natural fiber composites based on date palms evaluated certain drilling factors, namely, the spindle and feed velocities and the drill material, comparing a drill with a titanium nitride protective layer, a drill with a carbide protective layer, and a super-high-speed steel drill [58]. The comparison was carried out in terms of the delamination factor, the cylindricity of the delaminated areas, and the circularity of the drilled holes; consequently, it was suggested that the feed rate value has a kind of directly proportional relationship with the delamination factor, while increasing the cutting speed affected such proportionality.…”

Section: Main Parameters Influencing Drilling Of Natural Fiber Compos...mentioning

confidence: 99%

Drilling Parameters and Post-Drilling Residual Tensile Properties of Natural-Fiber-Reinforced Composites: A Review

et al. 2023

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This review highlights the influence of parameters on the drilling characteristics of biocomposites including natural fibers. The particular structure of natural fibers, including their hierarchized geometry, which potentially causes fibrillation, can result in an increased chance of irregularity of the hole and a more complex mode of delamination or, in general terms, damage to the composite. On the other hand, to attain an effective junction of the laminates in a structure, a nut–bolt procedure must be selected, which requires the performance of a drilling operation. This is becoming increasingly important since the fields of application for natural fibers and their variety have been steadily growing in the last few decades. Additionally, adequately performed drilling operations can address considerations related to circular economy. The drilling characteristics evaluated herein include thrust force, torque, surface roughness, and the delamination factor at the entry and exit of the drilling tool. The variation in tensile strength, stiffness, and strain propagation due to the presence of open holes of various sizes, the number of holes, the holes’ patterns, the effect of the type of fiber of the notches, the fiber architecture, and the fibers’ stacking sequence in biocomposites have also been discussed.

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Assessment of induced delamination drilling of natural fiber reinforced composites: a statistical analysis

Cited by 11 publications

References 45 publications

Influences of various natural fibers on the mechanical and drilling characteristics of coir-fiber-based hybrid epoxy composites

Influences of various natural fibers on the mechanical and drilling characteristics of coir-fiber-based hybrid epoxy composites

A comprehensive review on the machining and joining characteristics of natural fiber‐reinforced polymeric composites

Drilling Parameters and Post-Drilling Residual Tensile Properties of Natural-Fiber-Reinforced Composites: A Review

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