Initial data:
Material - AMg5;
Thickness - 6 mm;
Connection Type -stykovoe;
Welding positions - lower;
seam length - 1.7 m;
Production Type - series.

Contents
1. Composition, structure and properties (physical, chemical, mechanical) of the material 2
1.1 Output 2
1.2 part 2
1.3 Structure 2
1.4 Properties of aluminum 2
1.4.1. physical properties [1] 2
1.4.2. chemicals [2] 2
1.4.3. mechanical [1] 3
2. evaluating the capability of welding the base material (the effect of the physical and chemical properties, tendency to long hot and cold cracking, brittleness) 4
2.1 welding effect on the physical, chemical and mechanical properties of aluminum [1] 4
2.2 pores [1], [2] 4
2.3 hot crack [1], [2] 4
2.4 cold crack [1] 5
2.5 friability [1] 5
3. The rationale for the choice of the best ways to weld 6
3.1 The selection of the methods of welding material 6
3.2 selection method according to the thickness and the welding position. 6
3.3 The choice of the method of the other factors (nature of production, the configuration of the connection and the length of the seam design accuracy, product release program, the type of production, costs and so on. D.) 7
4. The selection of welding materials, preparing them for welding 8
4.1 Preparation for welding [1] 8
4.2 The selection of welding materials [2] 8
4.2.1. welding wire 8
4.2.2. shielding gas 8
5. The selection of standard or non-standard development of the edges of the joints [3] 10
6. The selection of welding parameters [2] 11
7. Preparation of the surface and edges of the base metal and welding equipment 12
7.1 Preparation of the surface [1] 12
7.2 welding technique [2] 12
8. The selection of welding equipment [8] 13
9. The heat treatment of the weld joint [1] 15
10. Literature 16