Thermal cycles in welding, effect of welding parameters. Metallurgical changes during the welding of carbon and low-alloy steels, use of iron-carbon
and TTT/CCT diagrams, effects of alloying elements, welding of cast irons and cast steels. Welding metallurgy of high-alloy steels, Schaeffler diagram, special problems in different types of stainless steels. Welding of principal non-ferrous alloys. Defects in weldments, causes, effects and remedies, hot and cold cracking, gases in welds. Weld ability; concept and testing.
- Teacher: murugaiyan Murugaiyan Amirthalingam