Effect of microwave treatment on tensile properties of sugar palm fibre reinforced thermoplastic polyurethane composites

Mohammed, A. A.; Bachtiar, Dandi; Rejab, M. R. M.; Siregar, J. P.

doi:10.1016/j.dt.2018.05.008

Cited by 45 publications

(15 citation statements)

References 20 publications

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“…Mohammed et al studied the microwave temperature effect on the tensile properties of sugar palm-reinforced composite and found that 70 C gave the maximum tensile strength. 22 Sharma et al studied the effect of aspect ratio on the mechanical properties of the MWCNT. They found that with high aspect ratio, there is effective stress transfer through the carbon tubes.…”

Section: Introductionmentioning

confidence: 99%

Performance evaluation of HDPE/MWCNT and HDPE/kenaf composites

Pundhir

Zafar

Pathak

2019

Journal of Thermoplastic Composite Materials

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The present work deals with the microwave-assisted compression moulding of high-density polyethylene (HDPE)-based composites. In the present work, 20 wt% of reinforcement in the form of kenaf and multi-walled carbon nanotube (MWCNT) was used to fabricate HDPE/kenaf and HDPE/MWCNT polymer composites. The mechanical characterizations of the microwave-processed composites were carried out in terms of uniaxial tensile test with different strain rate, multistep stress relaxation, flexural and impact test. The uniaxial tensile test revealed that the tensile modulus of microwave-processed four-layered HDPE/kenaf polymer composite was 35.2% higher than that of HDPE/MWCNT polymer composite. The HDPE/MWCNT polymer composite showed a minimum of 1.25 GPa and a maximum of 4.7 GPa of elastic modulus when tested at different strain rate. The impact energy absorbed by the HDPE/kenaf polymer composite (1.055 J) was 81.12% higher than the HDPE/MWCNT polymer composite (0.582 J).

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Section: Introductionmentioning

confidence: 99%

Performance evaluation of HDPE/MWCNT and HDPE/kenaf composites

Pundhir

Zafar

Pathak

2019

Journal of Thermoplastic Composite Materials

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“…The author in a previous work studied the effects of different fibre loadings on the mechanical properties of the SPF/TPU composites. The A B C result proved that the best mechanical properties are for 10% fibre in 90% TPU [39]. However, the 10% fibre loading is too small to be very feasible, so a 30% fibre loading was fixed throughout the study, with 250 µm fibre size [38] and a soaking time of 1.5 hour to enhance it.…”

Section: Treatment Of Fibrementioning

confidence: 99%

“…This causes weakness in the structure of composites [39]. So, the clean, dried, and ground fibre was washed eight times using distilled water.…”

Section: Treatment Of Fibrementioning

confidence: 99%

Effect of sodium hydroxide on the tensile properties of sugar palm fibre reinforced thermoplastic polyurethane composites

Mohammed¹,

Bachtiar²,

Siregar³

et al. 2016

J. Mech, Eng, Sci.

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Global warming, environmental changes, and other problems have been increasing in the last decade. Researchers and scholars want to safeguard life on the earth by making ecofriendly products, like natural composite materials. Natural fibre is environmentally valuable because of its biodegradable nature. However, there is a serious problem caused by the incompatibility between fibre and matrix. In this work, sugar palm fibre was combined with thermoplastic polyurethane composites after treatment with different concentrations of sodium hydroxide from 2 to 6% to enhance the compatibility between them. An extrusion machine was used to combine 30% by weight of the sugar palm fibre and 70% by weight of thermoplastic polyurethane composites. The temperature, rotation velocity, and fibre size were fixed at (180-190-200°C), 40 rpm and 250 µm respectively. The composite was characterized according to ASTM D638. The sodium hydroxide treatment of the fibre could provide a good tensile modulus of 440 MPa at 2% of NaOH, and strain of 41.6% at 6% NaOH of the composite. However, the tensile strength was decreased, where the highest amount of 5.49 MPa recorded at 6% NaOH. Meanwhile, the tensile modulus and strain of the composites are found to be much better than those of untreated ones. In contrast, the tensile strength was still not improved.

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“…Also, MT was able to roughen the surface of the fibers more than the other treatment methods thereby improving the strength and fibre-matrix bond at the interface. This was possible because the chemistry of the bamboo fibers had been altered due to more reduction in the hydroxyl groups which comprise of cellulose and lignin, hence an improvement in the interaction between the fibers and the matrix which subsequently led to this improved performance than the other treatments [42]. It had also been reported that on removal of hydrophilic constituents of cellulose fibers which are the hemicellulose, waxes and silica bodies after alkali treatment, the tensile properties of composites would be enhanced.…”

Section: Ftir Analysis Of Bamboo Fibers Reinforced Cement Compositesmentioning

confidence: 99%

Effect of microwave assisted alkali pretreatment and other pretreatment methods on some properties of bamboo fibre reinforced cement composites

Akinyemi

Omoniyi

Onuzulike

2020

Construction and Building Materials

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Effect of microwave treatment on tensile properties of sugar palm fibre reinforced thermoplastic polyurethane composites

Cited by 45 publications

References 20 publications

Performance evaluation of HDPE/MWCNT and HDPE/kenaf composites

Performance evaluation of HDPE/MWCNT and HDPE/kenaf composites

Effect of sodium hydroxide on the tensile properties of sugar palm fibre reinforced thermoplastic polyurethane composites

Effect of microwave assisted alkali pretreatment and other pretreatment methods on some properties of bamboo fibre reinforced cement composites

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