Analysis The Mechanical Behaviour Of Jute Fiber Composite An Integrated Approach

IJSRD - International Journal for Scientific Research & Development| Vol. 3, Issue 10, 2015 | ISSN (online): 2321-0613

Analysis the Mechanical Behaviour of Jute Fiber Composite an Integrated Approach A.K.Nachimuthu Assistant Professor Department of Mechanical Engineering SVS College of Engineering, Coimbatore, Tamilnadu Abstract— In this project work, the jute fiber and glass fiber composite laminate specimens are prepared as per ASTM standards. The composite laminate with the jute and glass fiber are fabricated by simple hand layup technique. The composite laminate undergoes various mechanical testing as tensile test, impact test, water absorption test and the mechanical properties are analyzed. In general the jute fiber composites are great strength, low cost and low density and it’s have enough potential for reinforcing agent.

Key words: Composite, Glass Fiber, Jute Fiber, Mechanical Testing, Reinforcing Agent I. INTRODUCTION Two or more materials are used make composite materials for their unique properties. This definition is general for metals alloys, plastic co-polymers, minerals, and wood.

Human beings did not invent the composite; it is found in nature. An example is wood, which is a composite of cellulose fibers in a matrix of natural glue called lignin. The shell of invertebrates, such as snails and oysters, is an example of a composite. Such shells are stronger and tougher than fabricated advanced composites. Scientists have found that the fibers taken from a spider’s web are stronger than synthetic fibers. The reinforcements can be made from polymers, ceramics, and metals. The fibers can be continuous, long, or short. Composites made with a polymer matrix have become more common and are widely used in various industries. This section focuses on composite materials in which the matrix materials are polymer-based resins. They can be thermoset or thermoplastic resins. The reinforcing fiber or fabric provides strength and stiffness to the composite, whereas the matrix gives rigidity and environmental resistance. Reinforcing fibers are found in different forms, from long continuous fibers to woven fabric to short chopped fibers and matrix.

Each configuration results in different properties. The properties strongly depend on the way the fibers are laid in the composites. All of the above combinations or only one form can be used in a composite.

polymers and carbon fiber. Although not as strong or as rigid as carbon fiber, it is much cheaper and significantly less brittle. Glass fiber is formed when thin strands of silicabased or other formulation glass are extruded into many fibers with small diameters suitable for textile processing Jute fibre has some unique physical properties like high tenacity, bulkiness, sound & heat insulation property, low thermal conductivity, antistatic property etc. Due to these qualities, jute fiber is more suited for the manufacture of technical textiles in certain specific areas. Moreover, the image of jute as a hard and unattractive fiber does not affect its usage in technical textiles. In this project, work epoxy used is polyflex GR.200-14. The choice of a resin system for use in any component depends on a number of its characteristics, with the following probably being the most important for most composite structures 1) Adhesive properties 2) Mechanical properties 3) micro-cracking resistance 4) Fatigue resistance 5) Degradation from water ingress.

6) Racking resistance A. Specimen for Testing: Each composite board was cut into test samples. The cutting processes were using handsaw and other equipment’s. All specimens test were conditioned based on the standard procedures of ASTM. The test specimens were done in the room condition of 23 ± 2 0C in temperature and with relative humidity 50±5% for not less than 40 hours prior to the property assessment test.

S. ASTM Specimen Test No standard size(mm) 1

Tensile test

D3039

250X25X3

Moisture D5229 100X100 absorption Izod impact 3 D4812 64X12.7X3.2 testing Table 1: ASTM Standards for specimen preparation 2

II. MATERIALS AND METHODS

III. RESULT AND DISCUSSION

This chapter describes the details of processing of the composites The raw materials used in this work as follows  Jute fiber  Glass fiber  Resin Glass fiber is commonly used as an insulating material. It is also used as a reinforcing agent for many polymer products; to form a very strong and light fiber (FRP) composite material called glass-reinforced plastic (GRP), popularly known as "fiberglass". Glass fiber has roughly comparable properties to other fibers such as

Tensometer apparatus is used find the tensile strength of the composite specimen. Tensometer is the device used to find the young’s modulus of a material and other tensile properties of materials.

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Analysis the Mechanical Behaviour of Jute Fiber Composite an Integrated Approach (IJSRD/Vol. 3/Issue 10/2015/052)

A. Impact Property: Chopped jute fiber and multi axial glass fiber Energy Energy consumed Impact Energy consumed for break strength Specimen consumed for free the in in kg/m fall(kg/m) specimen N/mm2 (kg/m) 1 1.2 1.5 0.3 72.26 2 1.2 1.5 0.3 72.26 3 1.2 1.5 0.3 72.26 Bi axial jute fiber and woven roving glass fiber 1 1.2 1.6 0.4 96.40 2 1.2 1.7 0.5 120.54 3 1.2 1.6 0.4 96.40 Bi axial jute fiber and multi axial glass fiber 1 1.2 1.9 0.7 168.79 2 1.2 1.9 0.7 168.79 3 1.2 1.8 0.6 96.40 Table 2: Impact Test Readings

Fig. 1: Tensile Tests Chopped Jute Fiber and Multi Axial Glass Fiber Max Max Stress Max Specimen load(KN) (N/mm2) strain 1 150 2.4 1.012 2 100 1.6 1.02 3 200 3.2 1.008 Bi axial jute fiber and woven roving glass fiber 1 150 2.4 1.008 2 50 0.8 1.02 3 100 1.6 1.016 Bi axial jute fiber and woven roving glass fiber 1 300 4.8 1.008 2 350 5.6 1.016 B. Water Absorption 3 550 8.8 1.012 Table 1: tensile properties of jute fiber composite Chopped jute fiber and multi Bi axial jute fiber and woven Bi axial jute fiber and woven Time axial glass fiber roving glass fiber roving glass fiber S.No (hours) 1 2 3 1 2 3 1 2 3 1 0 74.31 68.78 70.52 57.21 60.58 62.27 56.96 51.90 52.13 2 3 76.73 69.93 71.49 57.63 60.75 62.74 57.08 52.02 52.55 3 6 76.80 69.98 71.69 57.75 60.82 62.97 57.35 52.18 52.74 4 9 77.02 70.00 71.91 57.83 60.95 62.99 57.47 52.23 52.89 5 12 77.23 71.03 72.00 57.95 61.05 63.00 57.58 52.32 52.92 6 15 77.46 71.10 72.29 58.00 61.24 63.14 57.66 52.43 52.99 7 18 77.63 71.13 72.38 58.13 61.35 63.23 57.78 52.52 53.05 8 21 77.90 71.18 72.49 58.23 61.44 63.27 57.88 52.76 53.10 9 24 78.02 71.22 72.52 58.29 61.54 63.39 57.91 52.81 53.28 10 27 78.18 71.33 72.60 58.30 61.65 63.46 57.99 52.97 53.33 11 30 78.25 71.46 72.65 58.43 61.73 63.60 58.00 53.02 53.47 12 33 78.34 71.59 72.73 58.66 61.89 63.74 58.12 53.16 53.53 13 36 78.56 71.64 72.91 58.82 61.91 63.93 58.34 53.35 53.79 Table 3: water absorption test readings Amount of water Percentage of water IV. CONCLUSION Material absorbed absorbed (g) (%) This work shows that successful fabrication of jute fiber Chopped jute fiber and multi axial glass fiber reinforced epoxy composites with different fiber lengths is Specimen 1 4.25 5.71 possible by simple hand up technique and the mechanical Specimen 2 2.86 4.15 properties are analyzed. The tensile and impact properties Specimen 3 2.89 3.38 are higher than other fiber-reinforced composites and water Bi axial jute fiber and woven roving glass fiber absorption capacity is less compared to sisal and banana Specimen 1 1.61 2.81 fiber. It is important to remark that results show that Specimen 2 1.33 2.19 automotive components made of natural composites are to Specimen 3 1.66 2.66 be lighter than glass composites to present better environmental performance.

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Analysis the Mechanical Behaviour of Jute Fiber Composite an Integrated Approach (IJSRD/Vol. 3/Issue 10/2015/052)

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