1. Theory of welded joint creation during fusion welding and solid-state welding. Energy sources used for welding. Weld thermal cycles.
2. Theory of heat-affected zone of welded joints. Effect of thermal cycle on HAZ. Precipitation and degradation processes in HAZ.
3. Solidification of the weld metal. Segregation and liquation. Structure and properties of weld metal.
4. Metallurgical processes in weld metal. Alloying of weld metal.
5. Desulfurization and dephosphorization of the weld metal. Absorption of oxygen, hydrogen and nitrogen in weld metal.
6. Cracks in welded joints. Cold cracking, hot cracking, lamellar, annealing and corrosion cracking.
7. The theory of stress and deformation in welded joints. Methods of reducing of stress and deformation in welded joints.
8. Theory of thermal cutting of materials - oxyfuel, plasma and laser.
9. The theory of soldering. Defects of solder joints. Properties of solder joints. Solderability tests. Solders and fluxes.
10. Welding of heterogeneous joints. Using of Schaeffler diagram. Problems in welding of heterogeneous joints.
11. Weldability of stainless steels.
12. Weldability of cast irons and cast steels. Weldability of aluminum and its alloys.
13. Weldability of titanium and its alloys. Weldability of nickel and its alloys.
2. Theory of heat-affected zone of welded joints. Effect of thermal cycle on HAZ. Precipitation and degradation processes in HAZ.
3. Solidification of the weld metal. Segregation and liquation. Structure and properties of weld metal.
4. Metallurgical processes in weld metal. Alloying of weld metal.
5. Desulfurization and dephosphorization of the weld metal. Absorption of oxygen, hydrogen and nitrogen in weld metal.
6. Cracks in welded joints. Cold cracking, hot cracking, lamellar, annealing and corrosion cracking.
7. The theory of stress and deformation in welded joints. Methods of reducing of stress and deformation in welded joints.
8. Theory of thermal cutting of materials - oxyfuel, plasma and laser.
9. The theory of soldering. Defects of solder joints. Properties of solder joints. Solderability tests. Solders and fluxes.
10. Welding of heterogeneous joints. Using of Schaeffler diagram. Problems in welding of heterogeneous joints.
11. Weldability of stainless steels.
12. Weldability of cast irons and cast steels. Weldability of aluminum and its alloys.
13. Weldability of titanium and its alloys. Weldability of nickel and its alloys.