Mechanical Characterization of Areca Fiber and Coconut Shell Powder Reinforced Hybrid Composites

2021 ◽  
Vol 1034 ◽  
pp. 61-71
Author(s):  
G. Kishore Chowdari ◽  
D.V.V. Krishna Prasad
Keyword(s):  
Hybrid Composites ◽  
Flexural Modulus ◽  
Surface Hardness ◽  
Weight Ratio ◽  
Tensile Modulus ◽  
Coconut Shell ◽  
Fiber Loading ◽  
The Impact ◽  
Coconut Shell Powder ◽  
Shell Powder

The use of natural fibers in polymer matrix composites are increases because of their advantages like good stiffness, strength, environmental friendly, low cost and biodegradable. In the present investigation, hybrid fiber reinforced composites are fabricated using areca fiber and coconut shell powder (CSP) as reinforcement in epoxy resin. Unidirectional areca fiber and CSP reinforced epoxy composites were fabricated by varying the overall fiber loading (10, 20, 30, and 40 wt.%) and different weight ratios of areca fiber and CSP (1:1, 1:3, and 3:1). Effect of fiber loading and weight ratio on mechanical properties like tensile strength, tensile modulus, flexural strength, flexural modulus, interlaminar shear strength (ILSS), impact energy and surface hardness of hybrid composites were evaluate experimentally. All the hybrid composite samples fabrication and mechanical testing was done as per ASTM standards. The experimental investigation reveals that the tensile, flexural and ILSS properties show their maximum values at 30 wt.% of fiber loading with areca fiber and CSP weight ratio as 1:1. From the impact and hardness results it has been found that composites with areca fiber and CSP weight ratio as 3:1 and 1:1 respectively shows their maximum values at 40 wt.% of fiber loading. Interfacial analysis of the hybrid composites were also observed by using scanning electron microscope (SEM).

scholarly journals The Effect of Coconut Shell Powder as Functional Filler in Polypropylene during Compounding and Subsequent Molding

2019 ◽  
Vol 130 ◽  
pp. 01021
Author(s):  
Matt Kirby ◽  
Benjamin Lewis ◽  
Benjamin Peterson ◽  
Juliana Anggono ◽  
Walter Bradley
Keyword(s):  
Tensile Strength ◽  
Flexural Modulus ◽  
Coconut Shell ◽  
Impact Behavior ◽  
Simultaneous Increase ◽  
Processing Temperature ◽  
Izod Impact ◽  
Coconut Shell Powder ◽  
Shell Powder ◽  
Good Retention

Fine powder produced from coconut shells (CSP) has been found to be excellent functional filler in polypropylene, significantly increasing flexural and tensile moduli, slightly increasing tensile strength, and good retention of Izod impact strength at weight percentages less than 20 %. The research presented in this paper explores the temperature processing window for coconut shell powder filled polypropylene and the change in the rheological behavior of the polypropylene due to the addition of CSP as functional filler in this processing temperature window. The reason for the simultaneous increase in flexural modulus, tensile strength, and good retention of Izod impact behavior is also investigated

scholarly journals Pongamia Pinnata (PP) shell powder filled sisal/kevlar hybrid composites: Physico-Mechanical and Morphological Characteristics

2021 ◽  
Author(s):  
J Praveenkumara ◽  
Vidya Sagar H N ◽  
P Madhu ◽  
Yashas Gowda ◽  
Sanjay Mavinkere Rangappa ◽  
...  
Keyword(s):  
Natural Fiber ◽  
Hybrid Composites ◽  
Flexural Modulus ◽  
Morphological Characteristics ◽  
Mechanical Tests ◽  
Woven Fabrics ◽  
Pongamia Pinnata ◽  
Polymer Materials ◽  
The Impact ◽  
Shell Powder

Abstract The composite industry is attracted by natural fiber reinforced polymer materials for various valuable engineering applications due to its eco-friendly nature, less cost, enhanced mechanical properties and thermal properties. This present work aimed at incorporating sisal and kevlar woven fabrics with the epoxy matrix and to study the effect of pongamia pinnata shell powder on this sisal/ kevlar hybrid composites. The six different laminates were prepared using hand lay-up method with filler percentage varying 2 %, 4 % and 6 %. The prepared laminates cut according to ASTM standards for performing different mechanical tests. Results reveal that reduction of void percentage was observed at higher filler contents, while the incorporation of kevlar fiber enhances the impact, tensile strength and tensile modulus values. The flexural strength and inter laminar shear strength were higher for 2 % filler composites, while the highest flexural modulus, hardness values were observed for 6 % filler filled composites. The water absorption percentage was maximum for sisal laminate (L-1) and minimum for kevlar laminate L-2. The fractured tensile and flexural specimens were analyzed using scanning electron microscope (SEM).

scholarly journals Properties and Characterization of Tamarind Nut Shell Powder Filled Jute and Hemp Fibers Reinforced Hybrid Polymer Composites

2021 ◽  
Author(s):  
A. Felix Sahayaraj ◽  
M. Muthukrishnan ◽  
M. Ramesh
Keyword(s):  
Hybrid Composites ◽  
Flexural Modulus ◽  
Matrix Material ◽  
Tensile Modulus ◽  
Sem Analysis ◽  
Void Content ◽  
Plant Fibers ◽  
Properties And Characterization ◽  
Shell Powder

Abstract The main aim of this work is to investigate the effect of hybridization and the influence of tamarind nut shell powder (TNSP) on the properties and characterization of jute and hemp plant fibers reinforced composites by varying weight % of fibers. The composites are fabricated through the compression molding method and the properties such as tensile strength, tensile modulus, flexural strength, flexural modulus, Shore-D hardness, void content, and interlaminar shear strength (ILSS) of the hybrid composites are evaluated. The characterization studies such as Fourier transform infra-red (FT-IR) spectroscopy, water absorption behavior and scanning electron microscopy (SEM) analysis are also conducted. The results indicated that the hybrid composite samples 40:0 (jute: hemp) have the highest tensile, flexural, impact strengths as well as ILSS values. The void content of 20:20 (jute:hemp) composites was reduced owing to the good adhesion and compatibility of both the fibers with the matrix material.

scholarly journals Mechanical Properties of Pack Carburized SCM 420 Steel Processed Using Natural Shell Powders and Extended Carburization Time

Crystals ◽  
2021 ◽  
Vol 11 (9) ◽  
pp. 1136
Author(s):  
Ramli ◽  
Chung-Chun Wu ◽  
Adel Shaaban
Keyword(s):  
Mechanical Properties ◽  
Carbon Content ◽  
Surface Hardness ◽  
Water Quenching ◽  
Coconut Shell ◽  
Carburized Layer ◽  
Coconut Shell Powder ◽  
Shell Powder ◽  
Conch Shell

The feasibility of using coconut shell powder (CSP) and dog conch shell powder (DCSP) as carburizing media in the pack carburization of SCM 420 steel was investigated. The carbon content and surface hardness of the carburized specimens prepared with different CSP:DCSP ratios and carburizing durations were examined and compared. A CSP:DCSP ratio of 60%:40% and an extended carburizing time of 12 h were found to increase the carbon content of the carburized specimens to 1.14 ± 0.007 wt%. Furthermore, the surface hardness was significantly improved to 961.3 ± 4.918 HV following water quenching. Finally, the thickness of the carburized layer of the quenched specimens increased by around 2.5 times as the carburizing duration was increased from 3 to 12 h.

scholarly journals Improving the mechanical properties of polypropylene composites with coconut shell particles

2021 ◽  
Vol 30 ◽  
pp. 263498332110074
Author(s):  
Henry C Obasi ◽  
Uchechi C Mark ◽  
Udochukwu Mark
Keyword(s):  
Mechanical Properties ◽  
Particle Size ◽  
Flexural Modulus ◽  
Filler Particle ◽  
Tensile Modulus ◽  
Coconut Shell ◽  
Polypropylene Composites ◽  
Increase With Increase ◽  
Pp Composites ◽  
Shell Particles

Conventional inorganic fillers are widely used as fillers for polymer-based composites. Though, their processing difficulties and cost have demanded the quest for credible alternatives of organic origin like coconut shell fillers. Dried shells of coconut were burnt, ground, and sifted to sizes of 63, 150, 300, and 425 µm. The ground coconut shell particles (CSP) were used as a filler to prepare polypropylene (PP) composites at filler contents of 0% to 40% via injection melt blending process to produce PP composite sheets. The effect of the filler particle size on the mechanical properties was investigated. The decrease in the size of filler (CSP) was found to improve the yield strength, tensile strength, tensile modulus, flexural strength, flexural modulus, and hardness of PP by 8.5 MPa, 15.75 MPa, 1.72 GPa, 7.5 MPa, 100 MPa, and 10.5 HR for 63 µm at 40%, respectively. However, the elongation at break and modulus of resilience of the PP composites were seen to increase with increase in the filler size. Scanning electron microscope analysis showed that fillers with 63 µm particle size had the best distribution and interaction with the PP matrix resulting in enhanced properties.

scholarly journals PENGARUH SUHU DAN KECEPATAN PENGADUKAN PADA PROSES PEMBUATAN SURFAKTAN NATRIUM LIGNOSULFONAT DARI TEMPURUNG KELAPA

2013 ◽  
Vol 2 (1) ◽  
pp. 21-25
Author(s):  
Jhon Peri Rinaldo Sirait ◽  
Nico Sihombing ◽  
Zuhrina Masyithah
Keyword(s):  
Base Material ◽  
Sodium Bisulfite ◽  
Coconut Shell ◽  
Effect Of Temperature ◽  
Agitation Rate ◽  
Reactant Ratio ◽  
Ir Spectrophotometry ◽  
Ft Ir ◽  
Coconut Shell Powder ◽  
Shell Powder

Coconut shell is one of agricultural wastes that having low commercial value. This research is objected to use coconut shell as the base material of producing surfactant. The use of coconut shell is basically due to its content of lignin, about 29,4%. The objective of this research is to obtain isolate lignin with increasing chatalis NaOH and H2SO4 with lignin identification, the effect of temperature and agitation rate of producing surfactant. The research was done in a reactor with temperature of 100 0C, 110 0C, 120 0C, 3 hours reaction time, pH 6, 80 rpm, 90 rpm, 100 rpm agitation rate, and coconut shell as the base material. Dry coconut shell is grinded and the powder is collected to be reacted. The coconut shell powder is reacted with sodium bisulfite solution with variation in ratio of 1:0,5.  The product is filtered to get filtrate and residue. The filtrate is further analyzed by using the FT-IR spectrophotometry method. From the research we get maximum purity of surfactant at sodium bisulfite with reactant ratio of 1:0,5;  Speed 100 rpm and temperature 120 0C.

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