LITERATURE REVIEW 4 Effect of biodegradable resin ration on the properties of resin onded sand for casting.

v TABLE OF CONTENT Abstrak i Abstract ii Dedication iii Acknowledgement iv Table of Content v List of Tables ix List of Figures x List Abbreviations, Symbols and Nomenclatures xi CHAPTER 1: INTRODUCTION 1 1.1 Background 1 1.2 Problem Statement 2 1.3 Objectives 3 1.4 Scope 3 Chapter Summary 3

CHAPTER 2: LITERATURE REVIEW 4

2.1 Sand Casting 4 2.1.1 Principle 6 2.1.2 Composition 7 2.1.2.1 Sand 7 2.1.2.2 Clay 8 2.1.3 Mould 8 2.2 Resin Bonded Sand Casting Mould 10 vi 2.2.1 Difference or Advantages of Resin Bonded sand Casting from Normal Sand Casting 10 2.2.2 Composition of Resin Bonded Sand Casting . 10 2.3 Biodegradable Resin Bonded Sand casting 11 2.3.1 Resin Polyvinyl Alcohol and Modified Urea 11 2.3.2 Hardener Catalyst . 14 2.3.3 Composition 14 2.4 Properties of Sand Mould 14 2.4.1 Permeability 15 2.4.2 Moisture Content 18 2.4.3 Compressive Strength 19 2.4.4 Tensile Strength 20 2.4.5 Transverse Strength 21 2.4.6 Loss on Ignition LOI 22 2.4.7 Biodegradability 23 Chapter Summary 23

CHAPTER 3: METHODOLOGY 24