NOC:Welding Science and Technology (In Tamil)

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

Lecture 19 - Fundamentals of resistance welding

Lecture 20 - Resistance spot welding - Part I

Lecture 21 - Resistance spot welding - Part II

Lecture 22 - Other resistance welding processes

Lecture 23 - High energy beam welding processes - Laser beam welding

Lecture 24 - High energy beam welding processes - Electron beam welding

Lecture 25 - Other welding processes - Part I

Lecture 26 - Other welding processes - Part II