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TITLE -1
TITLE-2
DEDICATION
DECLARATION
CERTIFICATE-1
CERTIFICATE-2
CERTIFICATE-3
ACKNOWLEDGEMENT
ABSTRACT
CONTENTS
LIST OF TABLES
LIST OF FIGURES
GLOSSARY OF TERMS
PREFACE
1. INTRODUCTION
1.1. Composites
Fig.1.1. Fibre reinforced plastic composites used in 2002
1.1.1. Classification of composites
Fig.1.3. Schematic representation of classification of composites
Fig.1.4. Schematic representation of a laminar composite
1.1.2. Hybrid Fibre Composites
Fig.1.5. Schematic representation of properties of different hybrid Combination
1.1.3. Textile Composites
Fig.1.6. Typical plain weave fabric
1.1.4. Reinforcing mechanism of short fibre composites
1.1.5. Interface
Fig.1.9. Schematic model of interphase
1.1.6. Fabrication of composites
Fig.1.10. Schematic representation of RTM technique
1.2. Matrix
1.2.1. Polymers
1.3. Fibres
1.3.1. Synthetic fibres
1.3.2. Natural fibres
1.3.3. Chemical composition of Plant fibres
1.3.4. Micro structure of plant fibres
Fig.1.14. Microstructure of plant fibre
1.3.5. Different Plant Fibres
1.3.6. Extraction of plant fibres
1.3.7. Advantages and Disadvantages of Plant fibres
1.4. Natural fibre reinforced polymer composites
1.4.1 Green Composites
1.4.2. Cellulose Nanocomposites
1.4.3. Plant fibre reinforced polyester composites
1.4.4. Applications of Biobased composites
1.5. Major challenges / gap
1.6. Scope of the present work
1.7. Major Objectives
References
2. EXPERIMENTAL
2.1 Materials
2.2. Mechanical testing of banana and sisal fibre
2.3. Chemical modification of the fibre surface
2.4. Preparation of the composites
2.5. Mechanical property measurements
2.6. Abrasion measurements
2.7. Dynamic Mechanical Analysis
2.8. Water absorption Studies
2.9. Dielectric measurements of composites
2.10. Thermophysical measurements
References
3. MECHANICAL PROPERTIES OF SHORT BANANA / SISAL HYBRID FIBRE REINFORCED POLYESTER COMPOSITES
3.1. Introduction
3.2. Results and discussion
3.2.1. Intrinsic properties of fibres
3.2.2. Tensile properties
Fig.3.3. Scanning electron micrographs of the tensile fracturesurface of hybrid composites
Fig.3.6. Scanning electron micrograph
3.2.3. Flexural properties
3.2.4. Impact properties
3.2.5. Abrasion Properties
3.2.6. Hybrid Effect
3.3. Conclusions
References
4. DYNAMIC MECHANICAL ANALYSIS OF SHORT BANANA / SISAL HYBRID FIBRE REINFORCED POLYESTER COMPOSITES
4.1. Introduction
4.2. Results and Discussion
4.2.1. Effect of fibre loading
4.2.2. Effect of varying the relative volume fraction of banana and sisal
4.2.3. Effect of layering pattern of fibres
4.2.4. Effect of frequency
4.2.5. Application of time-temperature superposition principle to thecomposite.
4.2.6. Energy of activation for glass transition temperature
4.2.7. Cole–cole plots
4.2.8. Theoretical Modelling
4.3. Conclusions
References
5. CHEMICAL MODIFICATION OF BANANA AND SISAL FIBRES AND FABRICATION OF THEIR COMPOSITES
5.1 Probing the Polarity of Chemically Modified Banana and Sisal Fibres by means of Solvatochromic Techniques
5.1.1. Introduction
5.1.2. Results and Discussion
5.1.3. Conclusions
References
5.2 Effect of Fibre Surface Modification on Mechanical Properties of Short Banana / Sisal Hybrid Fibre Reinforced Polyester Composites
5.2.1. Introduction
5.2.2 Results and discussion
Fig.5.2.1. Scanning electron micrographs of the surface of the untreated (a) banana
Fig. 5.2.2. Scanning electron micrographs of the surface of (magnificationx 500) (a) untreated (b) silane 1 (c) silane 2 (d) A1100 (e) PSMA and (f) 10 % NaOH treated banana fibre.
Fig. 5.2.3. Scanning electron micrograph of (a) silane 1 (b) silane 2 and (c) A1100 treated sisal fibre (x 500)
5.2.3. Conclusions
References
5.3 Viscoelastic Properties of Chemically Modified Short Banana/Sisal Hybrid Fibre Reinforced Polyester Composites
5.3.1. Introduction
5.3.2. Results and discussion
5.3.3. Conclusions
References
6. WATER SORPTION STUDIES OF SHORT BANANA / SISAL HYBRID FIBRE REINFORCED POLYESTER COMPOSITES
6.1. Introduction
6.2. Results and Discussion
6.2.1. Water uptake of composites
6.2.2. Kinetics of water sorption
6.2.3. Diffusion, sorption and permeation
6.2.4. Theoretical modeling
References
7. ELECTRICAL AND THERMOPLASTIC PROPERTIES OF SHORT BANANA / SISAL HYBRID FIBRE REINFORCED POLYESTER COMPOSITES
7.1 Electrical Properties of Banana / sisal HybridFibre Reinforced Polyester Composites
7.1.1. Introduction
7.1.2. Results and Discussion.
7.1.3 Conclusions
References
7.2 Thermophysical Properties of Banana / Sisal Hybrid Fibre Reinforced Polyester Composites
7.2.1. Introduction
7.2.2. Example of measurement
Fig.7.2.1. Thermophysical measurements set up.
7.2.3. Results and discussion
7.2.4. Conclusions
References
8. SHORT BANANA/SISAL HYBRID FIBRE REINFORCED POLYESTERCOMPOSITES - A COMPARISON BETWEEN COMPRESSIONMOULDING AND RESIN TRANSFER MOULDING
8.1. Introduction
8.2. Results and Discussion
8.2.1 Mechanical properties
8.2.2. Void content
8.2.3. Dynamic mechanical properties
8.2.4. Abrasion properties
8.2.5. Water sorption behaviour
8.3. Conclusions
References
9. WOVEN FABRIC COMPOSITES BY COMPRESSION ANDRESIN TRANSFER MOULDING
9.1 Mechanical Performance of Banana and Sisal Woven Fabric
9.1.1. Introduction
9.1.2. Results and Discussion
Fig.9.1.1. The weave architecture
Fig.9.1.2. Arrangement of three layers of fabric in parallel way
9.1.3. Conclusions
References
9.2 Dynamic Mechanical Properties of Banana and Sisal Textile Composites Fabricated by Compression and Resin Transfer Moulding
9.2.1. Introduction
9.2.2. Results and Discussion
9.2.3. Conclusions
References
10. CONCLUSIONS AND FUTURE OUTLOOK
10.1. Conclusions
10.2. Future Outlook
CURRICULUM VITAE