NOC:Welding Processes

Lecture 1 - Introduction to the course

Lecture 2 - Classification of welding processes and definition of welding arc

Lecture 3 - Physics of welding arc - Part 1

Lecture 4 - Physics of welding arc - Part 2

Lecture 5 - Physics of welding arc - Part 3

Lecture 6 - Physics of welding arc - Part 4

Lecture 7 - Fundamentals of ionisation in welding arc

Lecture 8 - Electrical conductivity of welding arc

Lecture 9 - Electrical resistivity of welding arc

Lecture 10 - Heat transfer inside the arc

Lecture 11 - Arc ignition mechanisms Part - I

Lecture 12 - Arc ignition mechanisms Part - II

Lecture 13 - Principles of Gas Tungsten Arc Welding

Lecture 14 - Shielding gases for arc welding

Lecture 15 - Selection of shielding gases for engineering alloys

Lecture 16 - Arc welding power sources - Part 1

Lecture 17 - Arc welding power sources - Part 2

Lecture 18 - Arc welding power sources - Part 3

Lecture 19 - Variations in GTAW process

Lecture 20 - Square wave, variable polarity, GTAW with filler, hot wire GTAW

Lecture 21 - Dual gas GTAW and Plasma Welding processes

Lecture 22 - Multi cathode GTAW and Activated GTAW

Lecture 23 - Buried GTAW and Rate controlling parameters of GTAW

Lecture 24 - Introduction to consumable welding processes

Lecture 25 - Melting rate of consumable wires

Lecture 26 - Physics of droplet transfer in consumable welding

Lecture 27 - Modes of droplet transfer - Part 1

Lecture 28 - Modes of droplet transfer - Part 2

Lecture 29 - Modes of droplet transfer - Part 3

Lecture 30 - Shielded Metal Arc Welding

Lecture 31 - Flux cored arc welding - Introduction

Lecture 32 - Electrode fluxes and process characteristics of flux cored arc welding

Lecture 33 - Flux cored arc welding - Process characteristics

Lecture 34 - Advances in gas metal arc welding - Pulsed GMAW

Lecture 35 - Advances in gas metal arc welding - Controlled dip short circuiting processes

Lecture 36 - Submerged arc welding

Lecture 37 - Resistance welding - Fundamentals

Lecture 38 - Resistance spot welding - Part 1

Lecture 39 - Resistance spot welding - Part 2

Lecture 40 - Resistance spot welding - Part 3

Lecture 41 - Resistance spot welding - Part 4

Lecture 42 - Variants in resistance welding - Part 1

Lecture 43 - Variants in resistance welding - Part 2

Lecture 44 - Laser welding process - Introduction - Part 1

Lecture 45 - Laser welding process - Part 2

Lecture 46 - Laser welding process - Part 3

Lecture 47 - Laser welding process - Part 4

Lecture 48 - Electron beam welding process

Lecture 49 - Other welding processes - Electroslag welding

Lecture 50 - Magnetically Impelled Arc Butt (MIAB) welding

Lecture 51 - Aluminothermic (thermit) welding

Lecture 52 - Introduction to solid state welding processes - Friction welding

Lecture 53 - Friction stir welding - Part 1

Lecture 54 - Friction stir welding - Part 2

Lecture 55 - Other solid state welding processes

Lecture 56 - Joining processes for Plastics - Part 1

Lecture 57 - Joining processes for Plastics - Part 2

Lecture 58 - Adhesive bonding of plastics

Lecture 59 - Welding nomenclatures