A practical user's guide to all aspects of welding aluminum and aluminum alloys. Provides a basic understanding of the metallurgical principles involved showing how alloys achieve their strength and how the process of welding can affect these properties.
Author(s): Gene Mathers
Edition: 1
Publisher: CRC Press
Year: 2002
Language: English
Pages: 242
Front Matter......Page 1
Preface......Page 3
Table of Contents......Page 0
Table of Contents......Page 4
1.1 Introduction......Page 7
1.2 Characteristics of Aluminium......Page 10
1.4 Welding: A Few Definitions......Page 12
2.2 Strengthening Mechanisms......Page 16
2.3 Aluminium Weldability Problems......Page 24
2.4 Strength Loss Due to Welding......Page 37
3.2 Alloying Elements......Page 41
3.3 CEN Designation System......Page 42
3.4 Specific Alloy Metallurgy......Page 46
3.5 Filler Metal Selection......Page 52
4.2 Storage and Handling......Page 57
4.3 Plasma-Arc Cutting......Page 58
4.4 Laser Beam Cutting......Page 64
4.5 Water Jet Cutting......Page 69
4.6 Mechanical Cutting......Page 70
4.7 Cleaning and Degreasing......Page 72
5.1 Introduction......Page 75
5.2 Access for Welding......Page 76
5.3 Welding Speed......Page 77
5.5 Edge Preparation and Joint Design......Page 78
5.6 Distortion......Page 90
5.7 Rectification of Distortion......Page 94
5.8 Fatigue Strength of Welded Joints......Page 95
6.2 Process Principles......Page 103
6.3 Mechanised/Automatic Welding......Page 120
6.4 TIG Spot and Plug Welding......Page 121
7.2 Process Principles......Page 122
7.3 Welding Consumables......Page 136
7.4 Welding Procedures and Techniques......Page 141
7.5 Mechanised and Robotic Welding......Page 147
7.6 Mechanised Electro-Gas Welding......Page 149
7.7 MIG Spot Welding......Page 150
8.2 Plasma-Arc Welding......Page 153
8.3 Laser Welding......Page 156
8.4 Electron Beam Welding......Page 161
8.5 Friction Welding......Page 166
9.1 Introduction......Page 172
9.2 Power Sources......Page 173
9.3 Surface Condition and Preparation......Page 175
9.4 Spot Welding......Page 177
9.5 Seam Welding......Page 181
9.6 Flash Butt Welding......Page 182
10.2 Welding Procedures......Page 187
10.3 Welder Approval......Page 197
11.2 Defects in Arc Welding......Page 205
11.3 Non-Destructive Testing Methods......Page 211
Appendix A: British and ISO Standards Related to Welding and Aluminium......Page 222
Appendix B: Physical, Mechanical and Chemical Properties at 20°C......Page 232
Appendix C: Principal Alloy Designations: Cast Products......Page 233
Appendix D: Alloy Designations: Wrought Products......Page 234
Bibliography......Page 236
Index......Page 241
