INTRODUCTION LITERATURE REVIEW METHODOLOGY EXPERIMENTAL WORKS OF NEW RESULTS AND DISCUSSION

v TABLE OF CONTENT CHAPTER TOPIC PAGES Abstract Abstrak Dedication Acknowledgement iv Table of Content v List of Tables vii List of Figures viii List of Abbreviations List of Symbols ix i ii iii iv v ix x xii xiv

1.0 INTRODUCTION

1 1.1 Background 1 1.2 Problem Statement 2 1.3 Objectives 3 1.4 Scope 3 1.5 Rational of Research 4 1.6 Research Methodology 5 1.7 Thesis Frame 6

2.0 LITERATURE REVIEW

8 2.1 Introduction 8 2.2 Previous Invention of Plastic Mould 10 2.3 Mould 12 2.4 Plastic Materials 13 2.4.1 Thermoplastics 13 2.4.1.1 PVC Film 14 2.4.2 Thermosets 16 vi 2.4.2.1 Polyester Resin 18 2.4.2.2 Epoxy Resins 19 2.4.2.3 Summary of Resin 19 2.5 Fibres 20 2.6 Overview of Thermoset Composite Fabrication 21 2.6.1 Hand Lay Up Process 21 2.6.2 Spray Up Process 22 2.6.3 Vacuum Bag Autoclave Process 23 2.6.4 Resin Transfer Moulding Process 25 2.6.5 Vacuum Assisted Resin Infusion Moulding VARIM Process 26 2.6.6 Summary of Thermoset Composite Fabrication 28 2.7 Non Destructive Testing 29 2.7.1 Visual Inspection 29

3.0 METHODOLOGY

30 3.1 Introduction 30 3.2 Methodology of Flow Chart 30 3.3 Materials Selection 31 3.3.1 PVC Film 32 3.3.2 Polyester Resin 33 3.4 Process Equipments 35 3.4.1 Woven roving fibreglass type E 35 3.4.2 Polyester resin 35 3.4.3 Hardener MEKP 35 3.4.4 Released agent gel coat 36 3.4.5 Plastic tape 36 3.4.6 Vacuum pump 36 3.4.7 Resin trap 36 3.4.8 Spherical tube 37 3.4.9 PU tube 37 3.5 Experimental Design 37 vii 3.5.1 Design 1: Simple Design 38 3.5.2 Design 2: Medium Design 38 3.5.3 Design 3: Complex Design 39 3.6 Processing 40 3.6.1 Original VARIM Process 40 3.6.2 Modification on VARIM Process 41 3.6.2.1 Procedures 44 3.7 Testing of the Product 45 3.7.1 Mould Capability 46 3.7.2 Surface Finish Quality 46 3.7.3 Complexity Manufacturing 48

4.0 EXPERIMENTAL WORKS OF NEW

TECHNIQUE 49 4.1 Introduction 49 4.2 Experimental Procedure 49 4.2.1 Simple Design Fabrication 50 4.2.2 Medium Design 52 4.2.3 Complex Design 54

5.0 RESULTS AND DISCUSSION

58 5.1 Introduction 58 5.2 Mould Capability Analysis 59 5.3 Surface Quality Analysis 62 5.4 Complexity Manufacturing Analysis 67 5.4.1 Design 1: Simple Design 68 5.4.2 Design 2: Medium Design 68 5.4.3 Design 3: Complex Design 69 5.5 Mechanical Properties Analysis 70 5.6 Summary of Analysis 72 viii

6.0 CONCLUSION AND RECOMMENDATIONS