Effect of Drilling Parameters on Delamination and Hole Quality in Drilling Flax Fiber Reinforced Bio-Composites

Lotfi, Amirhossein; Li, Huaizhong; Dao, Dzung Viet

doi:10.1007/978-3-030-04290-5_8

Cited by 11 publications

(10 citation statements)

References 15 publications

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“…72 Drilling studies on cotton fibre composite results stated that there is no direct correlation between the thrust force and delamination, since the result evident that there is no high delamination at high thrust force produced holes. 70 This result is completely opposite to the results of Lotfi et al 80 Lotfi reported that the thrust force and delamination are closely related. The delamination of the laminate increased correspondingly with the increase in the thrust force.…”

Section: Delamination In Nfc Drillingmentioning

confidence: 63%

Conventional and unconventional machining performance of natural fibre-reinforced polymer composites: A review

Vigneshwaran

John

Johnson

et al. 2020

Journal of Reinforced Plastics and Composites

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Natural fibre composites are the promising replacement for synthetic fibre owing to their improved properties, and more importantly, natural fibres are biodegradable and of low cost. These characteristics have made them viable for contemporary engineering and structural applications. However, large scale production of natural fibre composites is in prone because of the challenges in manufacturing and machining. Fibre composite exhibits poor machinability characteristics owing to their heterogeneous and anisotropic behaviour. To overcome this problem, various steps and new methodologies have been established in the view to produce quality machining in natural fibre composites. In recent years, the possibility of conventional machining in natural fibre composites was also discussed. In the present review study, an effort has been taken in studying the fibre composite’s machining characteristics and their failure mechanism in both conventional and unconventional machining. The influence of process parameters in machining different natural fibre composites is also discussed.

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Section: Delamination In Nfc Drillingmentioning

confidence: 63%

Conventional and unconventional machining performance of natural fibre-reinforced polymer composites: A review

Vigneshwaran

John

Johnson

et al. 2020

Journal of Reinforced Plastics and Composites

View full text Add to dashboard Cite

show abstract

“…The presence of delamination considerably reduces the mechanical strength and fatigue resistance of the part, as well as the hole quality in terms of its dimensional and geometrical tolerances. 27 The major drilling-induced damage is delamination, which occurs all around the drilled hole. Figure 4 shows an example of delamination and how the delamination factor is calculated.…”

Section: Splintering and Delaminationmentioning

confidence: 99%

“…High spindle speed reduces cutting forces (thrust force and torque). 22,27,58 However, excessive spindle speed will cause premature tool wear and breakages and can cause tool chatter, all of which can lead to potentially dangerous conditions. Lower spindle speeds would lead to ductile mode chips removal, which reduce cracks or microcracks in the NFRPCs.…”

Section: Drilling Parametersmentioning

confidence: 99%

“…However, delamination assessment in NFRPCs is somehow challenging, especially when assessing dark fiber-reinforced composites since their dark colour makes visual inspection difficult. 27…”

Section: Assessment Of Hole Qualitymentioning

confidence: 99%

“…A lot of works have been done in the past in order to understand the effect of cutting parameters on drilled holes. 21,23,27,50,58 However, because of the inhomogeneity of NFRPC materials, the results of drilled hole quality assessment are not consistent and depend very much on the composite manufacturing process.…”

Section: Factors Affecting Hole Qualitymentioning

confidence: 99%

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Factors affecting hole quality during drilling of natural fiber-reinforced composites: A comprehensive review

Kudus

Ratnam

Akil

2020

Journal of Reinforced Plastics and Composites

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In recent years, with greater emphasis on environmental and sustainability aspects of engineering materials, natural fiber-reinforced polymer composites (NFRPCs) have gained significance in practical applications because of their numerous advantages. Although many researchers have developed NFRPCs using various types of natural fibers and matrix materials, in real-world applications of NFRPCs, secondary operations, such as milling and drilling, are necessary to complete the components or parts assembly. Because the drilling of NFRPCs is different from drilling of metals, there are concentration of studies interested in the aspects of drillability of NFRPCs in order to assess and understand issues related to drilled hole quality in NFRPCs. In this paper, a comprehensive review of factors that affect the drilled hole quality in NFRPCs is presented. Past researches where correlation between the manufacturing methods of NFRPCs and drillability of the composites are reported are reviewed in-depth. The novelty of this review is that it identifies the major factors that affect the quality of the drilled features from a composite manufacturing perspective and provides recommendations for the best NFRPCs manufacturing process to produce drill-friendly composites. The major factors were classified into composite manufacturing factors and drilling parameters factors.

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Damage mechanisms and constitutive models for natural fiber‐based green composites: A review

Kumar

Tevatia

Dixit³

2022

Materialwissenschaft Werkst

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Natural fibers are capable substitutes to conventional synthetic fibers, primarily because of their economic and environmental advantages, as well as they find widespread applications in textile, construction, and non-load-bearing applications in the case of automotive and aircraft industries. This paper presents a comprehensive review of natural fiber-reinforced composites, focusing on their failure behavior, failure modelling techniques, and associated theories. Finite element modelling is widely applied in the damage modelling of natural fiber as well as natural fiber-based green composites. Formation of representative volume elements in conjunction with homogenization emerges to be the common and most effective multi-scale technique used for determining the effect of microstructures on the thermal and mechanical properties of the natural fiber-reinforced composite. To provide a better understanding of the insight of damage aspects of natural fiber composites an up-to-date review catering to various aspects ranging from its manufacturing techniques, failure processes and mechanisms, finite element modelling techniques, and mechanical performance is very much required. This review aims to address the above-stated issues, challenges, and details of achievements made with them.

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Effect of Drilling Parameters on Delamination and Hole Quality in Drilling Flax Fiber Reinforced Bio-Composites

Cited by 11 publications

References 15 publications

Conventional and unconventional machining performance of natural fibre-reinforced polymer composites: A review

Conventional and unconventional machining performance of natural fibre-reinforced polymer composites: A review

Factors affecting hole quality during drilling of natural fiber-reinforced composites: A comprehensive review

Damage mechanisms and constitutive models for natural fiber‐based green composites: A review

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