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Effect of Filler Content on Flexural and Viscoelastic properties of Coir Fibers and Argania Nut-shells Reinforced Phenolic Resin Composites

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Journal of Bionic Engineering 2022年第6期19卷 1886-1898页

作者： Hala Bensalah Marya Raji Kamal Gueraoui Abdelazziz Khtira Hamid Essabir Rachid Bouhfid Abou el kacem Qaiss Group of Mechanics and Materials Energy Research CenterFaculty of ScienceMohammed V University in Rabat10100RabatMorocco Composites and Nanocomposites Center Moroccan Foundation for Advanced ScienceInnovation and Research(MAScIR)10100RabatMorocco Mohammed Ⅵ Polytechnic University Lot 660 Hay Moulay Rachid43150Ben GuerirMorocco Group of Simulation in Mechanics and Energy Energy Research CenterFaculty of ScienceMohammed Ⅴ University10100RabatMorocco Group of Semiconductors and Environmental Sensor Technologies Energy Research CenterFaculty of ScienceMohammed V University10100RabatMorocco Mechanic Materials and Composites(MMC) Laboratory of Energy EngineeringMaterials and SystemsNational School of Applied Sciences of AgadirIbn Zohr University80000AgadirMorocco

The characteristics of two different kinds of lignocellulosic materials(vegetable fillers)with two morphologies as Argania nut-shells(ANS)particles and Coir Fibers(CF)were used as reinforcement for phenolic resin(Bakelite)in this work,and the composite are studied as a function of filler types,shape,content(10,20,and 30%***)and manufacturing loading force(1500 and 3000 LBs).Compression molding was used to create the composites,which were then evaluated using Scanning electronic microscopy(SEM),Fourier-transform infrared spectroscopy(FTIR),bending,dynamic-mechanical-thermal and rheological *** morphology of broken samples demonstrates that both fillers are well dispersed and *** fillers are added to the matrix,the flexural characteristics improve,and the optimal values are attained in the case of Argania *** results showed that the kind and shape of the fillers had a direct influence on the dynamic mechanical characteristics of the composites due to the reinforcement's modulus *** was noticed that,the increment of manufacturing loading force decreased the mechanical and dynamical properties of *** optimum properties obtained indicate that the composites can only be manufactured at low manufacturing loading force(1500 LBs).

关键词： Phenolic resin composites Bionic materials Coir Fibers Argania nut-shells dynamical mechanical properties Rheological properties

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The Effect of Fibre Length on Flexural and Dynamic mechanical properties of Pineapple Leaf Fibre Composites

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Journal of Renewable Materials 2020年第7期8卷 833-843页

作者： A.A.Mazlan M.T.H.Sultan S.N.A.Safri N.Saba A.U.M.Shah M.Jawaid Department of Aerospace Engineering Faculty of EngineeringUniversiti Putra MalaysiaSerdangSelangor Darul Ehsan43400 UPMMalaysia Laboratory of Biocomposite Technology Institute of Tropical Forestry and Forest Products(INTROP)SerdangSelangor Darul Ehsan43400 UPMMalaysia Aerospace Malaysia Innovation Centre(944751-A) Prime Minister’s DepartmentMIGHT Partnership HubJalan Impact63000 CyberjayaMalaysia

The present paper deals with the effect of loading different pineapple leaf fibre(PALF)length(short,mixed and long fibres)and their reinforcement for the fabrication of vinyl ester(VE)*** of PALF/VE composites was investigated through three-point bending flexural testing and viscoelastic(dynamic)mechanical properties through dynamic mechanical analysis(DMA).DMA results revealed that the long PALF/VE composites displayed better mechanical,damping factor and dynamic properties as compared to the short and mixed PALF/VE *** flexural strength and modulus of long PALF/VE composites were 113.5 MPa and 14.3 GPa,*** storage(E′)and loss(E″)moduli increased to 2000 MPa and 225 MPa respectively for PALF/VE *** result analysis indicated that increasing the length of the reinforcement fibre results in satisfactory mechanical performance and dynamic properties of composites.

关键词： Pineapple leaf fibre vinyl ester resin flexural strength dynamical mechanical properties damping factor

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