INTRODUCTION LITERATURE REVIEW METHODOLOGY RESULT AND DISCUSSION OF MECHANICAL PROPERTIES

v TABLE OF CONTENT Abstrak i Abstract ii Dedication iii Acknowledgement iv Table of Content v List of Tables x List of Figures xi List Abbreviations, Symbols and Nomenclature xiv

CHAPTER 1: INTRODUCTION

1

1.1 Background

1 1.2 Problem Statement 2 1.3 Objectives 3 1.4 Scopes 3 1.5 Outline of Project 3 Chapter Summary 4

CHAPTER 2: LITERATURE REVIEW

5

2.1 Foundry

5 2.2 Resin Binder Process 6 2.2.1 Binder System Development 7 2.3 Mould 8 2.4 Sand 9 vi 2.4.1 Type of Foundry Sand 10 2.4.2 Conditions for Moulding Sand 11 2.5 Resin 12 2.5.1 AlphaSet Resin 13 2.5.2 Advantages and Disadvantages 14 2.6 Hardener 15 2.6.1 Hardening Mechanism 16 2.6.2 Triggered Hardening System 16 2.7 Bonding Power 16 2.8 Design and Analysis of Experiment 17 2.9.1 Types of DOE 19 2.8.1.1 Taguchi Method 19 2.8.1.2 Classical Factorial design 19 2.8.1.3 Response Surface Methodology 20 2.8.1.4 Full Factorial Design 22 2.8.1.4.1 Three-level Factorial Design 22 2.8.2 Research that use Full Factorial 23 2.9 Testing of Moulding sand 23 2.9.1 Compressive Strength 24 2.9.2 Tensile Strength 25 2.9.3 Transverse Strength 26 2.9.4 Loss on Ignition LOI 26 Chapter Summary 28

CHAPTER 3: METHODOLOGY

29 3.1 Methodology Flow Chart 29 3.2 Determine Problem of Statement 31 3.3 Determine Objective of Study 31 3.4 Selection of Factors and Levels 31 3.5 Selection of Response Variables 32 3.6 Design Matrix 33 3.7 Phenolic Resin Bonded Sand Sample Process 36 3.8 Preparation of Materials and Equipments 37 3.8.1 Materials 37 3.8.2 Equipments 39 3.8.3 Sample Preparation Procedure 41 3.9 Sample Testing 44 3.9.1 Compressive Strength Test Procedures 46 3.9.2 Tensile Strength Test Procedures 47 3.9.3 Transverse Strength Test Procedures 49 3.9.4 Loss on Ignition LOI test Procedures 50 3.10 Results Analysis 51 Chapter Summary 51

CHAPTER 4:RESULT AND DISCUSSION OF MECHANICAL PROPERTIES

53 4.1 Introduction 53 4.2 Results Interpret from Minitab Software 54 4.3 Compressive Strength 55 4.3.1 Result 55 4.3.2 Bar Chart 56 4.3.3 Main Effects Plot 57 4.3.4 Interaction Plot 58 vii viii 4.3.5 Discussion for Compressive Strength 59 4.4 Tensile Strength 59 4.4.1 Result 60 4.4.2 Bar Chart 61 4.4.3 Main Effects Plot 62 4.4.4 Interaction Plot 63 4.4.5 Discussion for Tensile Strength 64 4.5 Transverse Strength 64 4.5.1 Result 64 4.5.2 Bar Chart 65 4.5.3 Main Effects Plot 66 4.5.4 Interaction Plot 67 4.5.5 Discussion for Transverse Strength 68 Chapter Summary 69

CHAPTER 5:RESULT AND DISCUSSION OF LOSS ON IGNITION LOI