PART ONE METALLIC MATERIALS RUDIMENTS 1
Unit 1.Metal and Civilization 1
Reading Material:Iron and Its Alloys 5
Unit 2.Metals and Ferrous Metals 7
Reading Material:Non-ferrous Metals and Their Alloys 10
Unit 3.Steel Manufacturing 13
Reading Material:Making Iron 15
Unit 4.Mechanical Properties of Metals 17
Reading Material:Hardness 21
Unit 5.Crystal Structure of Metals 22
Reading Material:The Structure of Real Metals 27
Unit 6.The Fe-Fe3C Equilibrium Diagram 29
Reading Material:Crystallization of Metals 33
Unit 7.Metallographic Examination 36
Reading Material: Microscopy 40
Unit 8.The Plastic Deformation of Metals 43
Reading Material:Recovery and Recrystallization 46
PART TWO CASTING TECHNOLOGY 49
Unit 1.The Technology of Casting 49
Reading Material:Historical Development of Founding 53
Unit 2.Moulding and Coremaking 55
Reading Material:Moulding Sands and Core Sands 60
Unit 3.Casting Design 62
Reading Material:The Gating of Castings 65
Unit 4.Moulding Machines 67
Reading Material:Sand Preparation and Systems 70
Unit 5.Melting 73
Reading Material:Other Types of Furnaces 77
Unit 6.Die Casting 80
Reading Materials:A.Centrifugal Casting 84
B.Precision Investment Casting 85
C.Permanent-mold Casting 86
Unit 7.Inspection 87
Reading Material:Sand-casting Defects 90
PART THREE WELDING 93
Unit 1.What is Welding 93
Reading Material:What is a Weld 95
Unit 2.Gas Welding 97
Reading Material:Type of Flame and Uses of Each Type 99
Unit 3.Arc Welding Basic 101
Reading Material:Arc Welding Machines 105
Unit 4.Shielded Metal-Arc Welding 106
Reading Material:Electrodes 109
Unit 5.CO2 Welding 111
Reading Material:Summary of Gas-shield Arc Welding 114
Unit 6.Resistance Welding 117
Reading Material:Special Methods of Welding 118
PART FOUR HEAT TREATMENT OF METALS 121
Unit 1.Heat Treatment 121
Reading Material:Heat Treatment of Alloy Steels 123
Unit 2.Phase Transformations in Heating Steel 126
Reading Material:Features of Supercooled Austenite Transformations(TTT diagrams) 130
Unit 3.Annealing of Steel 132
Reading Material:Normalizing of Steel 134
Unit 4.Hardening of Steel 136
Reading Material:Tempering of Steel 138
Unit 5.Carburizing and Nitriding 140
Reading Material:Induction Heating 143
Unit 6.Stainless Steels 144
Reading Material:Tool Steel 146
PART FIVE FORGING 150
Unit 1.Heat Treatment of Steel Forgings 150
Reading Material:Simple Instroduction of Forging Equipment 153
Unit 2.Materials for Forging 155
Reading Material:Classification and Brief Description of Metal Forming Processes 158
REFERENCES 161