Welding Metallurgy & Heat Treatment
- introduction
- fusion welding
2-1 gas welding
2-2 Arc welding and its methods
2-3 resistance welding
2-4 flash welding
2-5 Upset welding
2-6 resistance impact welding
- Solid state welding
3-1 Pressure welding and its methods
3-2 Friction welding and its methods
3-2 Penetration welding
- Heat flow in welding
1-4 temperature-time curves
2-4 developed heat flow equation
3-4 Rosenthals simplified method
4-4 Effect of welding parameters on heat flow
- Heat treatment
1-5 Ionic bonds and crystal lattices of metallic materials
2-5 single crystal and multi crystal and granulation
3-5 crystallographic directions and planes
4-5 Freezing of metal and defects caused by it
5-5 equilibrium phase diagrams of different alloys
5-6 iron and carbon equilibrium phase diagram (steel)
7-5 Annealing heat treatment and its types
8-5 Normalizing heat treatment and its types
9-5 Hardening heat treatment and its types
10-5 Tempering heat treatment
5-11 h
- Welding metallurgy
1-6 melting and freezing
2-6 Nucleation and growth
3-6 different welding zones
4-6 Recrystallization and grain growth
5-6 thermal expansion and residual stresses
6-6 pre-warm and post-warm
7-6 welding defects in different areas
6-8 Engineering tips to improve welding quality