Effect of alkaline treatment on mechanical properties of kenaf fiber reinforced polyester composites

Reddy, Bijjam Ramgopal; Dhoria, Sneha H.

doi:10.1063/1.5029673

Cited by 8 publications

(5 citation statements)

References 11 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…is enhances the bonding between matrix and reinforcement phases, thus improving the mechanical properties [96,[117][118][119][120][121][122][123][124]. Nevertheless, untreated fibres reinforced composites exhibit low mechanical properties due to weak fibre/matrix interfacial bonding.…”

Section: Kenaf/glass Fibre Reinforced Polymer Hybrid Compositesmentioning

confidence: 99%

A Review on the Parameters Affecting the Mechanical, Physical, and Thermal Properties of Natural/Synthetic Fibre Hybrid Reinforced Polymer Composites

Bichang’a

Aramide

Oladele

et al. 2022

Advances in Materials Science and Engineering

View full text Add to dashboard Cite

The global drive towards a circular economy that emphasizes sustainability in production processes has increased the use of agro-based raw materials like natural fibres in applications that have long been dependent on inorganic raw materials. Natural fibres provide an eco-friendly, more sustainable, and low cost alternative to synthetic fibres that have been used for a long time in the development of composite materials. However, natural fibres are associated with high water absorption capacity due to their hydrophilic nature leading to poor compatibility with hydrophobic polymeric matrices, thus lower mechanical properties for various applications. Hybridization of natural fibres with synthetic fibres enhances the mechanical performance of natural fibres for structural and nonstructural applications such as automobile, aerospace, marine, sporting, and defense. There have been increased research interests towards natural/synthetic fibre hybrid composites in the past two decades (2001–2021) to overcome the identified limitations of natural fibres. Therefore, understanding the parameters affecting the properties and potential of using natural and synthetic fibre reinforcements to develop hybrid composites is of great interest. The review showed that using appropriate fibre orientation, fibre weight fraction and stacking sequence yields good mechanical, physical, and thermal properties that are competitive with what only synthetic fibre reinforced composites can achieve. In addition, these properties can be improved through pretreatment of natural fibres using different chemicals. This paper provides in review form the parameters affecting the mechanical, physical, and thermal properties of natural/synthetic fibre hybrid reinforced polymer composites from the year 2001 to 2021.

show abstract

Section: Kenaf/glass Fibre Reinforced Polymer Hybrid Compositesmentioning

confidence: 99%

A Review on the Parameters Affecting the Mechanical, Physical, and Thermal Properties of Natural/Synthetic Fibre Hybrid Reinforced Polymer Composites

Bichang’a

Aramide

Oladele

et al. 2022

Advances in Materials Science and Engineering

View full text Add to dashboard Cite

show abstract

“…Many studies have been reported on the use of alkaline treatment for kenaf fibers. 29,83,[90][91][92][93][94][95][96][97] The treatment using NaOH has been found to be an effective approach to remove the impurities on the surface of kenaf fiber. 29 Asim et al 29 treated kenaf fiber with 6% NaOH (w/v) and showed via FTIR analysis that alkaline treatment reduces the intensity of typical peaks of lignin and hemicellulose.…”

Section: Properties Of the Composites Produced Using Treated Kenaf Fibermentioning

confidence: 99%

“…Another study on the effect of chemical treatment on tensile, flexural, and impact properties of kenaf fiber reinforced polyester composites was reported by Reddy and Dhoria. 96 After treating kenaf fiber with 5% of NaOH solution, the composite specimens were prepared in both untreated and treated forms of with five levels of fiber volume fractions. It has been found that the composites made of alkali treated fibers have better mechanical properties compared to untreated fibers, since alkali treatment promotes bonding between the UPE matrix and fibers.…”

Section: Properties Of the Composites Produced Using Treated Kenaf Fibermentioning

confidence: 99%

Kenaf fibers reinforced unsaturated polyester composites: A review

Arjmandi

Yıldırım

Hatton

et al. 2021

Journal of Engineered Fibers and Fabrics

View full text Add to dashboard Cite

Recently development of high-performance polymer composites made from natural resources in the various sectors is increasing tremendously due to the environmental issues and health hazard possessed by the synthetic fibers during disposal and manufacturing. Among the many different types of natural resources, kenaf fibers have been extensively investigated as an alternative reinforcement for polymer composites over the past few years due to their low cost, good mechanical properties, high specific strength, nonabrasive, eco-friendly, and biodegradability characteristics. Kenaf is regarded as an industrial crop in Malaysia and grown commercially in other parts of the world for different applications. It is certainly one of the important plants cultivated for natural fibers globally which has great potential to use as automotive and construction materials. In many research studies, kenaf fibers have been used as reinforcement in unsaturated polyester (UPE) which perfectly improved the features of the polyester resin. The tensile properties of kenaf fiber reinforced UPE are mainly influenced by the interfacial adhesion between the fibers and the polyester resin. Several chemical modifications are employed to improve the interfacial bonding between kenaf fibers and polyester, resulting in the enhancement of mechanical properties of the composites. Therefore, this paper explores and highlights of the previous studies around kenaf fiber reinforced UPE composites, in terms of processing methods, mechanical, water absorption, and morphological properties to provide a perfect source of literature for doing further research in this topic.

show abstract

“…In order to achieve high quality, advancing cycle boundaries is critical in the machining system. The kenaf fibers is one most used fibers in the automotive industry and also used in construction works and for packaging glass materials (Reddy and Dhoria 2018).…”

Section: Introductionmentioning

confidence: 99%

Comparative Analysis of Delamination Factor in CNC Drilling of Novel Kenaf Fiber Reinforced Aluminum Wire Mesh Sandwich Composite and Kenaf Fiber Laminate with 45o /0o /45o Ply Orientation Angle

2022

pnr

View full text Add to dashboard Cite

Aim: This research is to compare and analyze the delamination factor in CNC drilling of novel kenaf fiber reinforced with aluminum wire mesh sandwich composite and kenaf fiber laminate with (45 o /0 o /45 o ) ply orientation angle. Material and Methods: During the drilling of kenaf fiber reinforced composite, Delamination is a severe problem. The goal of this research is to determine the effect of cycle boundaries on delamination during penetration of (50%) kenaf fiber and (80%) epoxy supported aluminum wire mesh. The kenaf fiber reinforced composite was made using the hand layup process (kenaf+aluminum+kenaf+aluminum+kenaf). A tungsten carbide drilling device with an 8mm diameter was used to drill the manufactured sample. Feed rate (mm/rev), Speed rate (rpm) and drill bit diameter (mm) are the process characteristics that have been considered. The Celestron microcapture software was used to investigate the data collected by taking advantage of the various quantifiable metrics and graphs available. Sample sizes for each group were 20 with pre-test power of 80%, beta=0.05%, and CL 95%. Results: An experimental scan with 20 samples per group is chosen and the delamination factor was scaled for both the working sample and the analysis. During this examination, CNC bores and delamination factors were determined. The results obtained for independent T test statistical analyses in SPSS software was 0.025 (P<0.050). Conclusion:Within the limitations of this study, the analysis of Kenaf fiber laminate with (45 o /0 o /45 o ) ply orientation angle has produced a delamination factor of of 1.38949 for the samples reinforced with Aluminium mesh and the mean delamination factor of 1.65830 for samples reinforced without Aluminium mesh with an improvement of 16.2% in reducing delamination factor comparing base materials.

show abstract

Effect of alkaline treatment on mechanical properties of kenaf fiber reinforced polyester composites

Cited by 8 publications

References 11 publications

A Review on the Parameters Affecting the Mechanical, Physical, and Thermal Properties of Natural/Synthetic Fibre Hybrid Reinforced Polymer Composites

A Review on the Parameters Affecting the Mechanical, Physical, and Thermal Properties of Natural/Synthetic Fibre Hybrid Reinforced Polymer Composites

Kenaf fibers reinforced unsaturated polyester composites: A review

Comparative Analysis of Delamination Factor in CNC Drilling of Novel Kenaf Fiber Reinforced Aluminum Wire Mesh Sandwich Composite and Kenaf Fiber Laminate with 45o /0o /45o Ply Orientation Angle

Contact Info

Product

Resources

About