Effect of Ceramic Nano Fillers in Jute Fibre Composites

Abstract

The demand and applications of bolstered plastics such as natural, attainable, biodegradable, and fibres were developing worldwide in industries beginning from home utilities to aerospace applications. The high cost and weight of synthetic fibres were bolstered by a multitude of concerns. Subsequently, it is far vital to create a natural fibre combination with a matrix to accumulate the most efficient common presentation. In this present study, a composite is made of a natural fibre (jute) reinforced with vinyl ester resin with and without a filler (SiO₂). Untreated jute fibres are utilised as reinforcement, while filler materials were used to increase the characteristics of jute fibre and analyse the impact of filler material in the composite. The produced composite was tested for tensile strength, compressive strength, flexural strength, and hardness. The SEM study of the fracture surface was also evaluated in the present study. Filler-mixed composites have a 50 percent higher tensile strength than those without fillers, and the remaining attributes have enhanced by at least 5 to 10%. From analysis, filler-mixed composites hold a good mechanical property due to fibre-filler bonding with the help of vinyl ester resin.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

1. Introduction

In many tenders, natural fibre reinforced composites have a lot of potential as a replacement for different substances. Environmentally friendly materials are employed due to qualities such as reduced weight, low cost, biodegradability, and better strength. Composites are also replacing metals and nonmetals used previously due to their greater strength-to-weight ratio, less weight, and good durability. In this context, the jute fiber has contained comprised cells and spiral fibrils together [1].

It has good bonding among cells due to high modulus and high strength. The shape of the jute fibre is created based on their physical and chemical properties.

Rezaur Rahman et al. [2] described the impact of benzene diazonium salt in an alkaline medium as a chemical treatment. Jute fibre was treated with alkaline media and o-hydroxybenzene diazonium salt. The uncooked and changed jute fiber had been used to put together with the composites. The combination was made by mixing polypropylene with a volume fraction of 20.25%, 30%, and 35%. The mechanical properties, besides extension of harm, are dealt with the jute fibre PP composite.

Safiee et al. [3] stated that the strengthened composite with 70% fiber material had effectively organized PJFRC specimen and exhibited less compression and flexural results. The fibre compressive failure and shear failure is possible from matrix local microbuckling. Yadav et al. [4] prepared and tested the polymer nano composite with and without SiO₂. It has been determined that adding 2.5 percent SiO₂ to S-glass fibre results in improved mechanical houses. Nabila et al. [5] stated that the fibre and matrix bonded well due to the increase in tensile strength. The load is spread out properly in the entire part of the matrix. Also, the terrible bonding surface was formed because of improper wet conditions.

Das et al. [6] Jute/polypropylene composites are successfully fabricated to the growth of jute fibre loading through weight. Mechanical houses were stepped forward substantially. The mechanical qualities of the fibre were increased by 50%, but after that, it began to deteriorate. The appropriate optimization of this method’s parameter could result in a higher or possibly composite answer for household shipments that include fences, chairs, and other items. Khalid et al. [7] The natural fibre evolved composite reveals better mechanical overall performance in terms of tensile and flexural conduct compared to warmness. Epoxy/jute and polyester/jute composites are expected to be 58.23 MPa and 63.31 MPa, respectively. In comparison to zero, an epoxy/jute composite with a maximum flexural modulus of 3.30 GPa was discovered. Polyester/jute has a tensile strength of 9176 GPa. Subrahmanyam et al. [8] prepared short jute fiber reinforced polyester composites by varying the fiber loading (0–40 wt.%). The experimental thermal conductivity results were validated with the results obtained by analytical methods and met as per the standards. Recently evolved quick mixtures are mild, within your means, and possess desirable thermal insulating residences. So, automobile interior components, building additives, and digital composites use those composites. Aranno et al. [9] investigated the jute fibre composites and described higher mechanical homes of jute composites that had been acquired for the usage of woven jute fibre mats with the aid of handloom procedures. Shahinur et al. [10] found that the quantitative analysis of thermal tests of the final residue at a higher temperature changed the range for RT, WT, and uncooked jute fibres into a similar range but that there is 40% more residue determined at temperatures above 400 in toes treated jute fibres than in uncooked jute fibres. Chubuike et al. [11] Chemical treatments on the jute fibre are crucial because they allow you to improve the characteristics of the exposed floor. After the alkaline and permanganate treatments, it was discovered that the load of the handled fibre was reduced to a large volume in comparison to the untreated fibre. The moisture level of the fibre was reduced, resulting in an increase in electricity. Chemical treatments remove hemicelluloses, lignin, pectin, wax, and oil concealing compounds in small amounts. [12, 13].

According to the literature review, there is no credible research on the use of 5% SiO₂ as a filler material. To generate natural fibre composites with and without SiO₂, a natural fibre-jute and matrix-vinyl ester resin were employed in this work. The research reveals that there are several papers on jute fibre-reinforced composite materials with varied mechanical property evaluations available but just a few articles on ceramic filled natural fibre composite materials and methodology.

1.1. Jute Fibre

Jute has an appealing herbal fibre used as a reinforcement in the composite due to its low price, renewable nature, and mass lower strength requirement for processing. The mechanical strengths of jute fibre are as follows in Table 1.

Table 1

Several mechanical properties of present study materials.

Material	Density (g/cm3)	Modulus of rigidity (GPa)	Tensile strength (MPa)	Percentage of elongation
Jute-fiber	1.31	26.52	393–778	1.5–1.82
SiO2 powder	2.52	66.9	36.2	—
Matrix material	2.52	2.9–3.2	68–80	5–7

1.1.1. Filler Material

In this present work, Silicon dioxide (SiO₂) is used as a filler material. This powder was purchased from the local market of Hyderabad, India. The purity of the powder is 99%. These filler materials act as a nanofiller. Figure1 shows the SEM image of SiO₂. The properties of SiO₂ powder are available in Table 1.

[figure(s) omitted; refer to PDF]

1.1.2. Matrix Material

The matrix substance used in this work is vinyl ester. This material was purchased from the local market of Hyderabad, India.

1.2. Fabrication of the Composite

The 10:1 ratio of the hardener and vinyl ester resin was used for preparing the composite material. These matrix materials are blended for 5–10 min by using a mechanical stirrer, and also various steps are involved in fabrication of the composite material as shown in Figure 2. Before starting the fabrication procedure, the hand layup method was used to prepare the composite in the present study. Dimensions are in 300 mm length × 300 mm width × 4 mm thickness [14, 15]. For easy removal purpose of specimens, the plastic cover and wax were used to clean the mold both sides (front and back). In this present study, two different types of samples were prepared. The material composition of both specimens is listed in Table 2.

[figure(s) omitted; refer to PDF]

Table 2

Different composition prepared samples.

Sample no.	Jute fibre (wt. %)	Epoxy (wt. %)	Ceramic powder (wt. %)
SP-1	45	55	—
SP-2	45	50	5

1.3. Testing Procedure

The hardness, compression, tensile, and density characteristics of the specimens were studied. The tensile specimen was prepared and measured by using the ASTM D638-10 on an KIC-2-1000-C universal testing machine (3 mm/min crosshead speed). The composite specimens were prepared, and their hardness was tested using the Rockwell hardness tester as per ASTM D 2583 [16]. The SEM (scanning electron microscope) images are used to identify the fracture surface of failure samples.

2. Results and Discussion

2.1. Filler Material Effect on Tensile Strength

Figure 3 indicates that the filler-filled composite retains more tensile strength and has tensile values nearly twice as high as the fabric composite without a filler [17]. The tensile strength for fibre loading in a jute-vinyl ester resin composite is shown in Figure 3, indicating that when the number of sheets in the composite increases from two to a few, then four, the tensile strength increases. Jute fibre is the most important load-bearing element in a jute-vinyl ester resin composite. As a result, increasing the fibre weight fraction and filler enhances the composite’s tensile strength [18]. It is clear that a composite made up of four layers of woven jute with a vinyl ester resin matrix had a high tensile strength in a number of the tests carried out.

[figure(s) omitted; refer to PDF]

2.2. Effect of the Filler Material on Compressive Strength

The compression specimen was made as per the ASTM D1621 standard. A compression check entails mounting the specimen in a machine and subjecting it to compression. The compression technique involves the specimen in the checking out device and puts on compression for fractures. The compressing pressure is recorded as a feature of displacement. At some stage in the application of compression, the extension of the specimen is noted towards implemented pressure [19]. From Figure 4, the ceramic filled composite material has more compression strength compared to without a filler material composite. From this analysis, a filler gives good compressive strength to jute fibre.

[figure(s) omitted; refer to PDF]

2.3. Effect of the Filler Material on Flexural Strength

The specimen is tested on the UTM system. The reason for this end result may be without troubles positioned by means of assembling the two damaged component surfaces. They shape simply the best particular element without any lines of neck formation, as in ductile materials. The SiO₂ crammed jute vinyl ester resin showed higher flexural electricity than the jute epoxy composite (parent Figure 5). Filler stuffed with jute and vinyl ester resin to have higher electric conductivity and strain to failure during the assessment. The satisfactory flexural load to failure showed ductile conduct. However, the adhesive and stiffness belongings of the resin are important. The location of the resin is to keep the fibres as instant columns and to save them from bending. In homogenous substances, flexural energy could be the same as that of tensile strength of the material; however, all of the materials could have some defects due to different values. At the same time while doing the flexural check, the fibres at the intense will make more extreme pressure.

[figure(s) omitted; refer to PDF]

2.4. Effect of the Filler Material on Hardness

The hardness test has been located in 3 different places in the same specimen, and the average values have been plotted in Figure 6. The discount fibre composite was provided with a good rockwell hardness value, but compared to this result, the filler added natural fibre composite holds a larger hardness value, and the development in hardness with the incorporation of fillers can be explained as follows: below the motion of compressive pressure, the filler-matrix interface is prone to debonding relying on the interfacial bond between the matrix and the fibre, and this will cause spoil within the composite. So, the polymeric matrix segment and the stable filler segment would be pressed collectively and touch each other extra tightly. From the result, the interface can switch pressure more efficaciously, although the interfacial bond may be negative. This could have ended in the enhancement of hardness.

[figure(s) omitted; refer to PDF]

2.5. Fracture Analysis of the Composite

The microstructures had been taken at 2000 magnification for the jute ceramic through the use of scanning electron microscopy which is proven in Figures 7(a) and 7(b). SEM snap shots of the fractured surface of vinyl ester resin–jute fibre composites provide direct proof of fiber-matrix interplay adhesion development. As, there is no companionable bonding on a few of the fibers and the matrix, although a small quantity of vinyl ester resin entered into the interface vicinity. Fiber-matrix debonding is the cause of composite delamination failure. This demonstrates that some jute fibres and the vinyl ester resin were not enchanted, confirming the need to improve the fibre/vinyl ester resin interface [21]. After the remedy, the adhesion interfaces a number of jute fibres, and the vinyl ester resin is stepped forward. This can be seen via the disappearance of boundary gaps. The improvement can be defined with the aid of a sturdy interfacial interplay after the treatment of the jute fibre [22].

[figure(s) omitted; refer to PDF]

3. Conclusions

In this present investigation, the mechanical properties were studied with and without the ceramic filler jute fibre.

(i) When compared to natural fibre composites without a filler material, there is a significant improvement in tensile character and tensile load. According to the findings of this investigation, the tensile strength of the filler material composite improves by more than twofold.

(ii) The jute-ceramic vinyl ester resin-reinforced composites regarded an improved compressive property (284 N/mm²) than the jute epoxy composite.

(iii) The jute-ceramic vinyl ester resin-filler composite has a fairly extra flexural property than the jute vinyl ester resin natural fibre composite. Also, hardness increased more in the SiO₂ filled jute/vinyl ester resin natural fibre composite.

(iv) From SEM analysis, the SiO₂ filled composite gives more bonding strength to the natural fibre composite and also spread evenly in matrix and reinforcement.

References

[1] S. P. Jani, A. S. Kumar, M. A. Khan, M. U. Kumar, "Machinablity of hybrid natural fiber composite with and without filler as reinforcement," Materials and Manufacturing Processes, vol. 31 no. 10, pp. 1393-1399, DOI: 10.1080/10426914.2015.1117633, 2016.

[2] M. Rezaur Rahman, M. Hasan, M. Monimul Huque, M. Nazrul Islam, "Physico-mechanical properties of jute fiber reinforced polypropylene composites," Journal of Reinforced Plastics and Composites, vol. 29 no. 3, pp. 445-455, DOI: 10.1177/0731684408098008, 2010.

[3] S. Safiee, H. M. Akil, A. A. M. Mazuki, Z. A. M. Ishak, A. A. Bakar, "Properties of pultruded jute fiber reinforced unsaturated polyester composites," Advanced Composite Materials, vol. 20 no. 3, pp. 231-244, DOI: 10.1163/092430410x547047, 2011.

[4] P. S. Yadav, R. Purohit, A. Kothari, "The effect of nano SiO2 on the mechanical and tribological properties of hybrid polymer matrix composites: a review," Advanced Materials Manufacturing & Characterization, vol. 7 no. 2, pp. 101-110, 2017.

[5] S. Nabila, A. L. Juwono, S. Roseno, "Effect of weight fractions of jute fiber on tensile strength and deflection temperature of jute fiber/polypropylene composites," IOP Conference Series: Materials Science and Engineering, vol. 196 no. 1,DOI: 10.1088/1757-899x/196/1/012029, 2017, May.

[6] S. C. Das, D. Paul, M. M. Fahad, M. K. Das, G. S. Rahman, M. A. Khan, "Effect of fiber loading on the mechanical properties of jute fiber reinforced polypropylene composites," Advances in Chemical Engineering and Science, vol. 8 no. 4, pp. 215-224, DOI: 10.4236/aces.2018.84015, 2018.

[7] M. Y. Khalid, Z. U. Arif, M. F. Sheikh, M. A. Nasir, "Mechanical characterization of glass and jute fiber-based hybrid composites fabricated through compression molding technique," International Journal of Material Forming, vol. 14 no. 5, pp. 1085-1095, DOI: 10.1007/s12289-021-01624-w, 2021.

[8] B. V. Subrahmanyam, S. G. Gopala Krishna, R. J. Jithedra Kumar, S. B. R. Devireddy, "Experimental and micromechanical ThermalCharacteristics of jute fiber reinforced polyester composites," Materials Today Proceedings, vol. 18, pp. 350-356, DOI: 10.1016/j.matpr.2019.06.311, 2019.

[9] T. M. Aranno, S. Mia, M. S. U. Khan, M. M. Hasan, N. S. Supto, A. S. Sujon, M. S. Ferdous, "Fabrication, experimental investigation of jute fiber reinforced epoxy composites and hybrid composites," IOP Conference Series: Materials Science and Engineering, vol. 628 no. No. 1,DOI: 10.1088/1757-899x/628/1/012011, 2019, September.

[10] S. Shahinur, M. Hasan, Q. Ahsan, J. Haider, "Effect of chemical treatment on thermal properties of jute fiber used in polymer composites," Journal of Composites Science, vol. 4 no. 3,DOI: 10.3390/jcs4030132, 2020.

[11] E. Chubuike, C. Ebele, E. Ifeanyi, E. Okwuchukwu, O. Festus, "Study on chemical treatments of jute fiber for application in natural fiber reinforced composites (NFRPC)," International Journal of Advanced Engineering Research and Science, vol. 4 no. 2, pp. 21-26, DOI: 10.22161/ijaers.4.2.4, 2017.

[12] E. A. Elbadry, M. S. Aly-Hassan, H. Hamada, "Mechanical properties of natural jute fabric/jute mat fiber reinforced polymer matrix hybrid composites," Advances in Mechanical Engineering, vol. 4,DOI: 10.1155/2012/354547, 2012.

[13] M. Ramesh, K. Palanikumar, K. H. Reddy, "Plant fibre based bio-composites: sustainable and renewable green materials," Renewable and Sustainable Energy Reviews, vol. 79, pp. 558-584, DOI: 10.1016/j.rser.2017.05.094, 2017.

[14] S. P. Jani, A. S. Kumar, M. A. Khan, S. Sajith, A. Saravanan, "Influence of natural filler on mechanical properties of hemp/kevlar hybrid green composite and analysis of change in material behavior using acoustic emission," Journal of Natural Fibers, vol. 18 no. 11, pp. 1580-1591, DOI: 10.1080/15440478.2019.1692321, 2021.

[15] M. Ramesh, C. Deepa, L. R. Kumar, M. R. Sanjay, S. Siengchin, "Life-cycle and environmental impact assessments on processing of plant fibres and its bio-composites: a critical review," Journal of Industrial Textiles, vol. 1528083720924730,DOI: 10.1177/1528083720924730, 2020.

[16] R. Vimal, K. H. H. Subramanian, C. Aswin, V. Logeswaran, M. Ramesh, "Comparisonal study of succinylation and phthalicylation of jute fibres: study of mechanical properties of modified fibre reinforced epoxy composites," Materials Today Proceedings, vol. 2 no. 4-5, pp. 2918-2927, DOI: 10.1016/j.matpr.2015.07.254, 2015.

[17] S. P. Jani, S. Sajith, C. Rajaganapathy, M. A. Adam Khan, "Mechanical and thermal insulation properties of surface-modified Agave Americana/carbon fibre hybrid reinforced epoxy composites," Materials Today Proceedings, vol. 37, pp. 1648-1653, DOI: 10.1016/j.matpr.2020.07.180, 2021.

[18] M. K. Gupta, M. Ramesh, S. Thomas, "Effect of hybridization on properties of natural and synthetic fiber‐reinforced polymer composites (2001-2020): a review," Polymer Composites, vol. 42 no. 10, pp. 4981-5010, DOI: 10.1002/pc.26244, 2021.

[19] L. P. J. Lal, S. Ramesh, E. Natarajan, "Study on the repeatability of manufacturing nano-silica (SiO2) reinforced composite laminates," IOP Conference Series: materials Science and Engineering, vol. 346 no. 1, 2018.

[20] V. Subramani, B. Jayavel, R. Sengottuvelu, P. J. L. Lazar, "Assessment of microstructure and mechanical properties of stir zone seam of friction stir welded magnesium AZ31B through nano-SiC," Materials, vol. 12 no. 7,DOI: 10.3390/ma12071044, 2019.

[21] P. J. L. Lazar, R. Sengottuvelu, E. Natarajan, "Assessments of secondary reinforcement of epoxy matrix-glass fibre composite laminates through nanosilica (SiO2)," Materials, vol. 11 no. 11,DOI: 10.3390/ma11112186, 2018.

[22] S. P. Jani, A. S. Jose, C. Rajaganapathy, M. A. Khan, "A polymer resin matrix modified by coconut filler and its effect on structural behavior of glass fiber-reinforced polymer composites," Iranian Polymer Journal (English Edition),DOI: 10.1007/s13726-022-01042-y, 2022.