NPTEL : NOC:Welding Science and Technology (In Tamil) (Metallurgy and Material Science)

Co-ordinators : Prof. Murugaiyan Amirthalingam

Lecture 1 - Introduction and learning objectives
Lecture 2 - Definition of welding and necessity for welding
Lecture 3 - Classification of welding processes
Lecture 4 - Introduction to welding arc
Lecture 5 - Types of gas discharges
Lecture 6 - Characteristics of a welding arc
Lecture 7 - Role of polarity in a welding arc
Lecture 8 - Anode and cathode fall zones
Lecture 9 - Arc column - Part I
Lecture 10 - Arc column - Part II
Lecture 11 - Arc column - Part III
Lecture 12 - Characteristics of arc welding processes
Lecture 13 - Introduction to arc ignition and gas tungten arc welding
Lecture 14 - Gas tungsten arc welding - I
Lecture 15 - Shielding gases used for arc welding
Lecture 16 - Plasma welding
Lecture 17 - Consumable welding processes - I
Lecture 18 - Consumable welding processes - II