The composites were prepared by compounding polypropylene and Doum palm shell particles using compression moulding method. % particles loading and 3.9 kJ/m 2 at 30 wt. Search for: Search. EFFECT OF CRUSHED DOUM PALM SHELL AS PARTIAL REPLACEMENT OF COARSE AGGREGATE IN CONCRETE A. It is one of the most important crops in the tropics. Kernel shells. Join ResearchGate to find the people and research you need to help your work. Hence, polypropylene matrix composite reinforced with sisal particles is a good material for engineering applications. The tan δ spectra confirms a strong influence of fiber contents and coupling agent on the α and β relaxation processes of PP. The SEM images of the composites reveal a good interfacial bonding between Doum palm shell particles and the matrix. Doum palm shell particles reinforced composite was prepared by compounding polypropylene matrix with 10-40 wt. 150 µm particle size composite yield a better result compared to 300 µm particles size which is in agreement with the literature, the smaller the particle size the better the properties of the composite because it has better compaction, reduced porosity which give effective stress transfer between the matrix and the particles. Compared to other residues from the industry, it is a good quality biomass fuel with uniform size distribution, easy handling, easy crushing, and limited biological activity due to low moisture content. [5] S. B. Hassan, V. S. Aigbodion, & S. N. The results indicate that hybrid composite having 50% jute and 50% sisal (J50S50) has higher mechanical and thermal property and lower water absorption property than jute, sisal and other hybrid composites. % at 5 wt. biodegradability and renewable nature [1]. In terms of strength, 150μm particle size is better than the 300μm. first configured via the Proteus software using computer. Hardness value increased from 91 HRF at 0 % eggshell addition to a maximum of 120.05 HRF at 50 wt% eggshell addition for uncarbonized eggshell and 149.45 HRF at 50 wt% eggshell for the carbonized eggshell. To browse Academia.edu and the wider internet faster and more securely, please take a few seconds to upgrade your browser. Addition of jute fibers to PPLSF and alkali treatment of the fibers has enhanced the storage and loss modulus of the hybrid composites. This study determined the impact, hardness and physical properties of polypropylene reinforced Doum palm shell particles composite; the effect of particles loading and particle size on the impact, hardness, density and water absorption properties of the, Natural Particulates (fillers) are reinforcement in composite materials. Natural Particulates (fillers) are reinforcement in composite materials. Thermodynamic study establishes the spontaneous and exothermic nature of adsorption method due to negative values of both free energy change and enthalpy change. The doum palm is a very Strange Palm Tree, originally from Arabian Peninsula and Africa.Fruit Doum is very popular among children in Una, Diu and some part of Saurashtra region of Gujarat in India. Hybridization of alkali treated jute and PPLSF has resulted in enhanced properties which are comparable with other natural/glass fiber composites thus increasing the scope of application in manufacturing of light weight automotive parts. Derivation of Equations to Account for the Variation of pH and Specific Conductivity of Gum Arabic Acid Sol with Dilution. The coconut has a thick fibrous husk surrounding a single-seeded nut. Their mechanical properties and abundance allow its use as an innovative material composite. Google Scholar All rights reserved. Nigerian Journal of Technological Research. Positive hybrid effect was observed for the composites due to hybridization. The dynamic mechanical analysis of composites in the term of storage modulus (E′), loss modulus (E″) and damping parameter (Tan δ) in a temperature range of 30°C to 200°C is investigated. Doum Doum palm was considered sacred by the Ancient Egyptians, and the seed was found in many pharaoh’s tombs. View PDF. % particles loading and 3.9 kJ/m 2 at 30 wt. The doum palm. The hardness of the composite was improved with increase in particle loading of the composites. The results presented that the tensile strength and tensile modulus of the UPE/OPS composites increased as the OPS loading increased. They are used in matrix for cost reduction, improved processing, density control, thermal conductivity, control of thermal expansion, flame retardancy and improved mechanical properties. The Lala palm - Hyphaene ; A colorful fruits, round flat, hard shell with seed inside. Mechanical properties such as tensile, flexural and impact are investigated as per ASTM standards. The highest tensile modulus of UPE/OPS was obtained at 30 vol% of OPS with the value of 8.50 GPa. Doum palm shell particles reinforced composite was prepared by compounding polypropylene matrix with 10 - 40 wt. composite were studied. Palm kernel shells contain residues of Palm Oil, which accounts for its slightly higher heating value than average lignocellulosic biomass. Uncarbonized and carbonized eggshell particles were used as reinforcement in polyester matrix. Cite. The hardness of the composite was improved with increase in particle loading of the composites. The doum palm is native to the Nile region in Africa. The microstructural analysis shows a good dispersion of the sisal particles in the matrix which is responsible for the increase in strength. We offer basket shell models to women who live in villages around Marrakech. An increase in the storage modulus (E′) of the treated composite indicates higher stiffness. For further improvement in the property of hybrid composite J50S50, alkali treatment of fibers is carried out and its positive effect is observed in terms of increase in mechanical and thermal properties and decrease in water absorption properties. In addition, impact test is carried out using Tinius Olsen Impact 104 machine as per ASTM D 256. J Inf Eng Appl 8:28–37. The Chamaerops humilis (doum) has a short aerial part in the wild, hence its name ().In cultivation, the ornamental palm can reach 8 m high with several stems inclined, and the beauty of old specimens is absolutely stunning.The Chamaerops is now one of the most cultivated palms [].It is very hardy to cold, drought and, highly resistant to salt spray on the … The development of Polyester/Eggshell particulate composites has been carried out. Comments are closed. Particulate fillers are used to improve the physical and mechanical properties of polymers to make it more suitable for engineering application. This fact can be explained as strong fibre-matrix. The hardness increases from 6.53 HRF to 9.1HRF at 35 wt. Several techniques including thermal activation (physical activation) and chemical activation have been successfully developed to convert palm shell into an activated carbon (AC). Hence the development of polyester/eggshell particulate composites material with good mechanical properties and light weight which is relevant to the electronics, auto and building industries has been achieved. This study determined the impact, hardness and physical properties of polypropylene reinforced Doum palm The SEM images of the composites reveal a good interfacial bonding between Doum palm shell particles and the matrix. Increasing jute fiber loading showed a considerable increase in tensile and flexural properties of the hybrid composites as compared to treated PPLSF composites. A hard shell encloses the insignificant embryo with its abundant endosperm, composed of … Incorporation of both the fibers into PP matrix resulted in an increase in tensile, flexural and impact strength with an increasing level of fiber content upto 30 wt% at banana: glass fiber ratio of 15:15 wt% and 2 wt% of MAPP. This work was focused on carbonizing four tropical fruits shells wastes such as: coconut shells (CS), palmyra shells (PS), doum palm shells (DPS), whole fruit of doum palm (WFDP) and teak wood (TW) … Expand. The composite was produced by compounding and compressive moulding technique by using different weight fractions (0, 5, 10, 15, 20 and 25) % of reinforcement with particles size of 150 and 300μm. Density and water uptake of the composite increases with increase in particles loading and size in the composites. 3 shows the variation in storage. % Doum palm shell addition for the 300 µm particle size. Variation in storage modulus (E′), loss modulus (E″) and damping parameter (tan δ) with fiber loading and variation in fiber length were investigated. % Doum palm shell addition for 300 µm particle size. The results showed that the addition of Doum palm shell particles stiffened the flexibility of the polymer and improved its ability to absorb and dissipate energy. The use of doum palm shell as fillers in composite will not only provide a renewable source of filler in polymer composite but also generate a non-food source of economic development for the famers in the rural areas. Continuous PPLSF and jute fibers were aligned unidirectionally in bi-layer arrangement and the hybrid composites were fabricated by compression molding process. Waste coconut shell husk was effectively utilized as a low cost alternative adsorbent for the removal of harmful textile dyes. The composites with higher jute loading showed maximum damping behavior. The particles loading in the matrix (polypropylene) were varied from 0-40 wt. Access scientific knowledge from anywhere. A marginal difference in loss modulus with variation in fibre length was observed, no difference could be seen in the case of loss tangent (tan delta) in regard to variation in fibre length. The impact strength of the hybrid composites were observed to be less compared to pure PPLSF composites. This study determined the impact, hardness and physical properties of polypropylene reinforced Doum palm shell particles composite; the effect of particles loading and particle size on the impact, hardness, density and water absorption properties of the composite were studied. Patrick., Development of Polyester/Eggshell Particulate. % for 150 µm particle size and 8.6 HRF for 300 µm. Palm shell is a cheap and abundant agricultural by-product in many tropical countries, particularly Malaysia, Indonesia and Thailand. The mechanical properties and density were carried out by standard methods. International Journal of Scientific Resea, Dynamic Mechanical Analysis of Polypropylene Reinforced Doum Palm Shell, parameters need to be studied. Read More » Doum Doum palm was considered sacred by the Ancient Egyptians, and the seed was found in many pharaoh’s tombs. Moreover, morphological analysis is carried out to observe the fracture behavior and fiber pull out of the composite samples using scanning electron microscope. Palm kernel shells (or PKS) are the shell fractions left after the nut has been removed after crushing in the Palm Oil mill. High Density Polyethylene (HDPE) is used as the matrix to compare three reinforcement types, raw ECF, alkali treated ECF, and ECF treated with PE-graft-maleic anhydride (PE-g-MA) as a … A general increase was observed in the hardness trend of 300μm sisal particles reinforced polypropylene composites, showing a peak value of 3.83BHN at 25 %wt of sisal reinforcement. The potential applications of the oil palm based hybrid composites in automobiles and building industry are going to increase in near future. The tensile strength of the compos… Non-uniformly sized activated carbons were derived from doum palm shell, a new precursor, by carbonization in air and activation using KOH, NaOH and ZnCl 2.The activated carbon fibres were characterised by X-ray diffraction, N 2 adsorption–desorption, scanning electron microscopy, particle size analysis and evaluated for Cd(II) and Pb(II) removal. % Doum palm shell addition for 150 µm particle sizes; however, it increased to a maximum of 49.63 MPa at 10 wt. It is found that the composite in unidirectional orientation of fibres gives better tensile and flexural properties in comparison to the mat form. Hyphaene coriacea, Doum Palm Field Grown, Specimen, 9-28ft HT Hyphaene dichotoma, Palm Field Grown, Specimen, 9-28ft HT Licuala grandis, Licuala Palm 25G / 21", super nice, 6-7ft HT Mesua ferrea, Ceylon Ironwood Field Grown Microsorum punctatum 'Grandiceps', Elkhorn Fern 3G … % intervals for 150 µm and 300 µm particles sizes using compression moulding techniques. To learn more, view our, 11.Modelling Tensile Behaviour of Stir-cast Aluminium Matrix Composites (AMCs) Using Factorial Design of Experiments, Effects of Particle Size and Loading on Tensile and Flexural Properties of Polypropylene Reinforced Doum Palm Shell Particles Composites, Dynamic Mechanical Analysis of Polypropylene Reinforced Doum Palm Shell Particles Composite, Comparing the Capabilities of SVMC and MLC Using Contingency Matrix and a Novel Template, Mechanical Properties of Rice Husk /Carbon Black Hybrid Natural Rubber Composite. deformation modes are used such as three-point bending, configuration creates measurable strains in stiff materials, 20 x 5 mm size for dynamic mechanical analysis as, 2.3 Determination of Dynamic Mechanical Analy. The edible fruits taste like gingerbread. % Doum palm shell addition for 300 µm particle size. B. N. GHOSH. Most of the time in winter, when they have less work on their farm and in their fields. The concept of hybridization was also discussed as it affects the dynamic properties. Addition of jute fibres to oil palm composite increases the storage modulus while damping factor shifts towards higher tempera-ture region. Abstract. Composite of 150 µm has the maximum impact strength of 4.1 kJ/m 2 at 35 wt. The 40-50 nm size, less … Water absorption test is carried out as per ASTM D570 to obtain the maximum water uptake, sorption, diffusion and permeability coefficient. Natural fibres offer several benefits such as low density, low cost, environmental friendly and high specific mechanical performance. The 40–50 nm size, less … Figure 2.1: a) mature doum tree, b) dry doum fruit c) cross section of shell sandwiched between materials are stiffer. Also called gingerbread palm, gingerbread tree, dhoum palm and Egyptian palm. Research Feed. Non-uniformly sized activated carbons were derived from doum palm shell, a new precursor, by carbonization in air and activation using KOH, NaOH and ZnCl2. The shells were found floating in the ocean long before anyone knew where they came from, and they were thought to have magical properties. Hybrid composites of Polypropylene (PP) reinforced with intimately mixed short banana and glass fibers were fabricated using Haake twin screw extruder followed by compression molding with and without the presence maleic anhydride grafted polypropylene (MAPP) as a coupling agent. Journal of Information Engineering and Applications, 2019, Academia.edu uses cookies to personalize content, tailor ads and improve the user experience. The particles loading in the matrix (polypropylene) were varied from 0-40 wt. © 2016, National Institute of Science Communication and Information Resources (NISCAIR). This composite is prepared by using Hand lay-up method with 15, 20, 25 and 30 wt % of sisal fibres into epoxy matrix. The toughness of the composites dropped as the concentration of sisal particles increased in the polypropylene matrix. % at 5 wt. By using our site, you agree to our collection of information through the use of cookies. At temperature range of 30 to 65°C, incorporation of the fibres helped reduce the E″ peak of the matrix. Pole, hanging on high tree Savannah valley of Arava with endemic doum palms. See all. In this work, Eucalyptus Capsule Fibers (ECF) are proposed as a new natural fiber reinforcement to produce bio-composites due to their biological origin, specific smell and color. Abstract Doum palm fibers are an environmentally friendly reinforcement in polymer composites. The rate of water absorption for the hybrid composites decreased due to the presence of glass fiber and coupling agent. at 5 wt. 267.601.0642 Properties, such as storage modulus, l, between the polymer and Doum palm Shell particles that restrict the seg, The increase in damping factor with temperature and s, fillers have become strong competitors compared to their. This article presents an experimental study on the dynamic mechanical property of hybridized Kenaf/PALF-reinforced HDPE composites. The impact energy also increased from 0.1 Joules at 0 wt% eggshell addition to a maximum of 0.35 Joules at 30 wt% eggshell addition for uncarbonized eggshell; it however increased to a maximum of 0.45 Joules at 20 wt% eggshell addition for the carbonized eggshell. Hybrid composites are prepared by hand lay-up technique keeping constant 30 wt% of total fibers content with various weight ratios of jute and sisal fibers. Coconut, fruit of the coconut palm, a tree of the palm family. The microstructural analyses of the polyester/eggshell particulate composites were carried out using SEM and EDS. Cole–Cole analysis was made to understand the phase behaviour of the composite samples. 10 to 50 wt% eggshell particles at intervals of 10 wt% were added to polyester as reinforcement. % intervals for 150 µm and 300 µm particles sizes using compression moulding techniques. ... (XRD and FTIR) were carried out for characterization of the coconut shell ash. In this paper, wear, frictional and dynamic mechanical analysis of developed hybrid sisal/jute fiber reinforced epoxy composite are studied. % Doum palm shell particles at 5 wt. The hardness increases from 6.53 HRF to 9.1HRF at 35 wt. The nature of fiber matrix adhesion was examined through scanning electron microscopy (SEM) of the tensile fractured specimen. © 2008-2021 ResearchGate GmbH. Seth SA, Tokan A, Aji IS (2019) Investigation of the impact, hardness, density and water absorption of polypropylene filled Doum palm shell particles composite. These account for the good impact and hardness properties of the composites obtained. Alkali treatment of fibers further reduced the value of specific wear rate and coefficient of friction, and improved the value of storage and loss modulus for hybrid composite J50S50. Particulate fillers are used to improve the physical and mechanical properties of polymers to make it more suitable for engineering application. A lower percentage of PALF is required for hybridization with kenaf bast fibre to achieve a positive hybridization effect. Yin Yin Yee, Yern Chee Ching, Shaifulazuar Rozali, Nur Awanis Hashim, Ramesh Singh. % Doum palm shell addition for the 300 µm particle size. You can download the paper by clicking the button above. % Doum palm shell addition for 150 µm particle sizes; however, it increased to a maximum of 49.63 MPa at 10 wt. Figure 2.1 illustrates mature doum palm tree, fresh doum fruit, cross section of hard shell sandwiched between an outer rind-masocarp and inner whitish doum palm kernel and d) activated ash produced from carefully burnt shells. The effect of the particles size and particles loading on tensile and flexural properties of the composite produced were investigated. In the present work, mechanical, thermal and water absorption properties of hybrid sisal/jute fiber reinforced polymer composite have been investigated. The tensile and flexural properties of sisal fibre epoxy composite both in unidirectional and in the mat form are found to be maximum at 30 wt %. Researchers , studied the mechanical and Dynamical mechanical analysis of polymer composites and they concluded that the increased modulus is attributed to the physical interaction between the polymer matrix and Doum palm Shell particles that restrict the segmental mobility of the polymer chains. The hybrid composite with 50% of sisal fiber content (J50S50) shows the minimum value of specific wear rate and coefficient of friction while maximum value of storage modulus and loss modulus. Overall the hybridization was found to be efficient showing increased static and dynamic mechanical properties. They weaves each basket hull by hand. Alkali treated continuous Palmyra Palm Leaf Stalk Fiber (PPLSF) and jute fibers were used as reinforcement in unsaturated polyester matrix and their static and dynamic mechanical properties were evaluated. The results showed that the addition of Doum palm shell particles stiffened the flexibility of the polymer and improved its ability to absorb and dissipate energy. Composites are fabricated by hand lay-up technique keeping constant 30 wt% of fibers content. new material for different application [3]. Increasing the fibre content of the hybrids raised the damping peak with temperature. % for 150 µm particle size and 8.6 HRF for 300 µm. A comparative study of properties of this hybrid composite with other hybrids made out of using natural/glass fibers is elaborated. Sorry, preview is currently unavailable. Polymer Composites is the engineering and scientific journal serving the fields of reinforced plastics and polymer composites including … Besides, the pulp of the fruit is called “vegetable ivory” as it is used to make buttons, small carvings, and artificial pearls. A positive shift of Tan δ peaks to higher temperature and reduction in the peak height of the composites was also observed. The nature of fibre/matrix interface was examined through scanning electron microscopy of tensile fracture samples. Density and water uptake of the composite increases with increase in particles loading and size in the composites. Dynamic Mechanical Analysis of Randomly Oriented Short Sisal Fiber Reinforced Vinyl ester Composite. The hybrid composite with oil palm:jute (1:4) showed maximum damping behaviour and highest tensile properties. Loss modulus is defined as maximum energy released, adhesion could reduce the mobility of polymer chain, Figure 8: Variation of damping factor with tempe, Thirumaleshwara, Investigation of Tribological Property of, and Mechanical Properties of Sisal Particles Reinforced. % Doum palm shell particles at 5 wt. The results revealed that sisal particles improved the hardness property of the polypropylene matrix composite. 150 µm particle size composite yield a better result compared to 300 µm particles size which is in agreement with the literature, the smaller the particle size the better the properties of the composite because it has better compaction, reduced porosity which give effective stress transfer between the matrix and the particles. In addition, there is an increase in storage modulus with increased fibre length at room temperature up to about 65°C. Scanning Electron microscopy (SEM) of the fractured surfaces showed the nature of fiber/matrix interface. Enter the email address you signed up with and we'll email you a reset link. The dynamic modulus curve showed an increase in the E′ value with increase in operating temperature up to about 130°C and is at a maximum at higher fibre loading. bonding as compare to other particle loading composites. Fibres are oriented in unidirectional as well as in the mat form. The micrograph images of Doum-palm seed coat and … The results showed that the tensile strength increased from 34.12 MPa for neat polypropylene to a maximum of 44.88 MPa at 10 wt. The tensile properties of hybrid composites were found to increase substantially with increasing jute fibres loading as compared to oil palm–epoxy composite. Doum palm shell particles reinforced composite was prepared by compounding polypropylene matrix with 10-40 wt. The activated carbon fibres were characterised by X-ray diffraction, N2 adsorption–desorption, scanning electron microscopy, particle size analysis and evaluated for Cd(II) and Pb(II) removal. All rights reserved. Somali Food Container – Gourd, Leather, Doum palm fiber and Cowrie Shell. Flexural strength increased from 37.91 MPa for neat polypropylene to a maximum of 57.68 MPa at 10 wt. Doum Palm (Cucifera thebaïca) STEP 2 : THE CRAFT MANUFACTURE OF THE BASKET SHELLS. The overall use of hybrid system was found to be effective in increasing tensile and dynamic mechanical properties of the oil palm–epoxy composite probably due to the enhanced fibre/matrix inter-face bonding. Shell Museum (129) 1.5 mi. Polymer Composites is the engineering and scientific journal serving the fields of reinforced plastics and polymer composites including … This article is cited by 33 publications. % Doum palm shell addition for 150 µm particle size; while it increased to a maximum of 39.62 MPa at 10 wt. Composite of 150 µm has the maximum impact strength of 4.1 kJ/m 2 at 35 wt. All rights reserved. Hence, this grade can be use for interior applications such as car seat, dash board, and car interior for decorative purposes or other interior parts of automobile where high strength is not considered a critical requirement. The results showed that the tensile strength increased from 34.12 MPa for neat polypropylene to a maximum of 44.88 MPa at 10 wt. Doum palm shell particles reinforced composite was prepared by compounding polypropylene matrix with 10-40 wt. The effect of fiber loading in presence of coupling agent on the dynamic mechanical properties has also been analyzed to investigate the interfacial properties. Thermal measurements were carried out employing differential scanning calorimetry (DSC) and the thermogravimetric analysis (TGA) which indicated a decrease in the crystallization temperature and thermal stability of PP with the incorporation of MAPP treated banana and Glass fiber. Doum palm is a tall, multi-stemmed evergreen. The composites were prepared by compounding polypropylene and Doum palm shell particles using compression moulding method. In this paper doum fibers were alkali treated to clean their surface and enhance polymer fibers interaction. % particles loading for 300 µm. 2. Non-uniformly sized activated carbons were derived from doum palm shell, a new precursor, by carbonization in air and activation using KOH, NaOH and ZnCl2. 14” h, Somali food container – Gourd, leather, doum palm fiber and Cowrie shell $150. At lower temperatures, 60% of fibre loading had reduced the loss modulus peak of the pure HDPE. The effect of the particles size and particles loading on tensile and flexural properties of the composite produced were investigated. Contact Us! The beads are made by the women. The mechanical properties of oil palm shell (OPS) composites were investigated with different volume fraction of OPS such as 0%, 10%, 20%, and 30% using unsaturated polyester (UPE) as a matrix. Flexural strength increased from 37.91 MPa for neat polypropylene to a maximum of 57.68 MPa at 10 wt. SEM analysis was also conducted on the composites. The main objective of this paper is the evaluation of the possibility of using a gypsum mortar reinforced with doum palm fibers as thermal insulators in building material. Multi-day Tours. The activated carbon fibres were characterised by X-ray diffraction, N2 adsorption-desorption, scanning electron microscopy, particle size analysis and evaluated for Cd(II) and Pb(II) removal. Non-uniformly sized activated carbons were derived from doum palm shell, a new precursor, by carbonization in air and activation using KOH, NaOH and ZnCl2. % intervals for 150 µm and 300 µm particles sizes using compression moulding techniques.
Mae Braddock Cause Of Death,
Panera Chipotle Mayo,
How To Make Vitamin C Serum At Home With Lemon,
Halo Mods For Games,
Products Containing Ephedrine Over The Counter,
Red Barn Augusta, Maine Facebook,
Steve Wall Vikings,