The welding of aluminium and its alloys

# Welding of Aluminum - Mathers.pdf......Page 1
Front Matter......Page 2
Preface......Page 5
Table of Contents......Page 0
Back Cover......Page 6
Table of Contents......Page 7
1.1 Introduction......Page 10
1.2 Characteristics of Aluminium......Page 13
1.4 Welding: A Few Definitions......Page 15
2.2 Strengthening Mechanisms......Page 19
2.3 Aluminium Weldability Problems......Page 27
2.4 Strength Loss Due to Welding......Page 40
3.2 Alloying Elements......Page 44
3.3 CEN Designation System......Page 45
3.4 Specific Alloy Metallurgy......Page 49
3.5 Filler Metal Selection......Page 55
4.2 Storage and Handling......Page 60
4.3 Plasma-Arc Cutting......Page 61
4.4 Laser Beam Cutting......Page 67
4.5 Water Jet Cutting......Page 72
4.6 Mechanical Cutting......Page 73
4.7 Cleaning and Degreasing......Page 75
5.1 Introduction......Page 78
5.2 Access for Welding......Page 79
5.3 Welding Speed......Page 80
5.5 Edge Preparation and Joint Design......Page 81
5.6 Distortion......Page 93
5.7 Rectification of Distortion......Page 97
5.8 Fatigue Strength of Welded Joints......Page 98
6.2 Process Principles......Page 106
6.3 Mechanised/Automatic Welding......Page 123
6.4 TIG Spot and Plug Welding......Page 124
7.2 Process Principles......Page 125
7.3 Welding Consumables......Page 139
7.4 Welding Procedures and Techniques......Page 144
7.5 Mechanised and Robotic Welding......Page 150
7.6 Mechanised Electro-Gas Welding......Page 152
7.7 MIG Spot Welding......Page 153
8.2 Plasma-Arc Welding......Page 156
8.3 Laser Welding......Page 159
8.4 Electron Beam Welding......Page 164
8.5 Friction Welding......Page 169
9.1 Introduction......Page 175
9.2 Power Sources......Page 176
9.3 Surface Condition and Preparation......Page 178
9.4 Spot Welding......Page 180
9.5 Seam Welding......Page 184
9.6 Flash Butt Welding......Page 185
10.2 Welding Procedures......Page 190
10.3 Welder Approval......Page 200
11.2 Defects in Arc Welding......Page 208
11.3 Non-Destructive Testing Methods......Page 214
Appendix A: British and ISO Standards Related to Welding and Aluminium......Page 225
Appendix B: Physical, Mechanical and Chemical Properties at 20°C......Page 235
Appendix C: Principal Alloy Designations: Cast Products......Page 236
Appendix D: Alloy Designations: Wrought Products......Page 237
Bibliography......Page 239
Index......Page 244