A comparative study on mechanical properties of coir fiber reinforced polymer composites filled with calcium carbonate particles

Rajamuneeswaran, S.; Vairamuthu, J.; Sivakumar, N.; Stalin, B.; Jayabal, S.

doi:10.1016/j.matpr.2020.08.366

Cited by 14 publications

(4 citation statements)

References 19 publications

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“…Therefore, they affect the matrix in the composite material in the same way from all directions. Its main function is to reduce costs while having a moderate effect on mechanical properties [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

WITHDRAWN: Production and characterization of new composite materials from glass fiber, calcite, and starch reinforced WPET by extruder system

DENİZ

Aydoğmuş

Kar

2023

Preprint

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Various products are used as reinforcement elements to improve the properties of polymeric materials and to reduce costs. This study aimed to enhance the mechanical properties of waste polyethylene terephthalate (WPET). Besides, the contribution to environmental protection by using recycled products is one of the objectives of this study. Composite materials have been prepared by adding various ratios of glass fiber (3 wt.%, 6 wt.%, 9 wt.%, and 15 wt.%), calcium carbonate (5 wt.%, 15 wt.%, and 25 wt.%), and corn starch (3 wt.%) as filler into WPET. Morphological, thermal, mechanical, physical, and chemical properties of these composites have been examined by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), thermogravimetric analysis (TGA), mechanical strength, and Shore D hardness tests. When the amount of starch in the samples is fixed, it has been observed that the hardness increases as the amount of calcite and glass wool increases. Although there is a slight decrease in thermal conductivity as the ratio of glass fiber increases, there is no significant change. However, as calcium carbonate (CaCO3) ratio increases, the thermal conductivity values also raise.

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Section: Introductionmentioning

confidence: 99%

WITHDRAWN: Production and characterization of new composite materials from glass fiber, calcite, and starch reinforced WPET by extruder system

DENİZ

Aydoğmuş

Kar

2023

Preprint

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“…Tensile strength is one of the most important mechanical properties to describe, particularly in modern vehicles [26]. Samples were cut to the specified dimensions according to the ASTM E-8M scale as shown in the Fig.…”

Section: Mechanical Properties Measurementmentioning

confidence: 99%

Influence of Ceramic Particles Additives on the Mechanical Properties and Machinability of Carbon Fiber/Polymer Composites

Ali

Shihab

Mohamed

2023

Silicon

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Hybrid polymer composites have recently become the interest of the world and their uses are increasing in various applications, especially mechanical, electronic, and other applications. Recently, advanced machining techniques for hybrid polymer composites have been used to solve many problems during machining processes, including the ability to form complex shapes, high performance, better surface features, and high levels of accuracy. Among many machining processes, Abrasive Water Jet Machining (AWJM) has attracted the attention of many researchers and engineers in many industries. In this study, hybrid polymer composites consisting of an epoxy matrix reinforced with six layers of carbon fibers with a fixed percentage (15%) and ceramic particles (SiC and Al2O3) with different weight percentage were prepared by hand lay-up method. Mechanical tests including (tensile test, flexural test, impact and hardness test) were conducted. The results of mechanical tests showed that an improvement in the tensile and flexural properties was of (19.7%) in the tensile strength, (40%) in the modulus of elasticity, )55.26%( in the flexural strength and ) 69.49%( in the flexural modulus, )12%( in the hardness using hybrid polymer constituent (70 wt% Epoxy+15 wt% CF +10 wt% Sic +5 wt% Al2O3). However, this hybrid polymer constituent includes lowest value of impact strength. Also, the morphological analysis indicated the uniform distribution of particles, the best defect-free surface and the bonding strength between the reinforcement and the epoxy matrix can be obtained using this constituent which has contributed to the improvement in the mechanical properties. The AWJM automation process was also performed based on design of experiment (Taguchi L18 design) to study the effect of the selected AWJM parameters (the hybrid polymer constituents, transverse velocity, stand of distance) on the different response variables (surface roughness, hardness, and kerf width). The analysis of variance (ANOVA) concluded that the hybrid polymer with the constituents (70 wt% Epoxy+15 wt% CF +10 wt% Sic +5 wt% Al2O3) has the most influential factor on the responses followed by transverse velocity, and then stand of distance. Moreover, the grey relational analysis was beneficially used to determine the multi optimization of AWJM parameters.

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“…The effects of calcium carbonate filler on the mechanical properties of coir-fiber-based reinforced polymer composites have been investigated. It was concluded that the tensile, flexural, and impact strengths had been improved by adding fillers [8]. The coir-bamboo fiber hybrid Polypropylene composites were created in order to determine the best range of mixing of two fibers for tensile behavior.…”

Section: Introductionmentioning

confidence: 99%

Influences of various natural fibers on the mechanical and drilling characteristics of coir-fiber-based hybrid epoxy composites

Boopathi¹,

Balasubramani

Kumar³

2023

Eng. Res. Express

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In this research, the hybrid natural fiber composite specimens were fabricated with a 64 wt.% epoxy resin matrix, 20 wt.% coir fiber, and 16 wt.% of various natural fibers by the hand-layup method. The influences of various natural fibers (Coir, Jute, Flax, Cotton, Human Hair, Sisal, Kenaf, and Calotropis) on the mechanical characteristics (tensile, flexural, and impact strengths) and drilling properties (delamination factor and ovality) of the Coir-fiber based hybrid composite have been investigated. The maximum tensile strength (48.15 MPa), maximum flexural strength (47.87 MPa), and maximum impact strength (2.85 kJ/m2) have been obtained by Coir/Flax, Coir/Sisal, and Coir/Hair Fiber hybrid composite materials, respectively. The minimum delamination factor (1.0) and ovality (169.4 µm) were obtained by coir/flax and coir/jute hybrid composite specimens when compared to other combinations of specimens. The delamination factor and ovality of the drilled hole of all combinations of hybrid composite specimens have been analyzed by scanning electron microscopy (SEM) images. The delamination factors of Coir/Flax and the drilling ovalities of Coir/Jute composite specimens are lower than those of other combinations of Coir-fiber-based composites.

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A comparative study on mechanical properties of coir fiber reinforced polymer composites filled with calcium carbonate particles

Cited by 14 publications

References 19 publications

WITHDRAWN: Production and characterization of new composite materials from glass fiber, calcite, and starch reinforced WPET by extruder system

WITHDRAWN: Production and characterization of new composite materials from glass fiber, calcite, and starch reinforced WPET by extruder system

Influence of Ceramic Particles Additives on the Mechanical Properties and Machinability of Carbon Fiber/Polymer Composites

Influences of various natural fibers on the mechanical and drilling characteristics of coir-fiber-based hybrid epoxy composites

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