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Course11310608759 lectures

Welding Processes

Prof. Murugaiyan Amirthalingam · IIT Madras

Start with lecture 1 At NPTEL

Lectures

Week 1

  1. Introduction to the course Video
  2. Classification of welding processes and definition of welding arc Video
  3. Physics of welding arc - Part 01 Video
  4. Physics of welding arc -Part 02 Video
  5. Physics of welding arc -Part 03 Video

Week 2

  1. Physics of welding arc -Part 04 Video
  2. Fundamentals of ionisation in welding arc Video
  3. Electrical conductivity of welding arc Video
  4. Electrical resistivity of welding arc Video
  5. Heat transfer inside the arc Video

Week 3

  1. Arc ignition mechanisms Part - I Video
  2. Arc ignition mechanisms Part - II Video
  3. Principles of Gas Tungsten Arc Welding Video
  4. Shielding gases for arc welding Video
  5. Selection of shielding gases for engineering alloys Video

Week 4

  1. Arc welding power sources Part 01 Video
  2. Arc welding power sources Part 02 Video
  3. Arc welding power sources Part 03 Video
  4. Variations in GTAW process Video

Week 5

  1. Square wave, variable polarity, GTAW with filler, hot wire GTAW Video
  2. Dual gas GTAW and Plasma Welding processes Video
  3. Multi cathode GTAW and Activated GTAW Video
  4. Buried GTAW and Rate controlling parameters of GTAW Video
  5. Introduction to consumable welding processes Video

Week 6

  1. Melting rate of consumable wires Video
  2. Physics of droplet transfer in consumable welding Video
  3. Modes of droplet transfer - Part 1 Video
  4. Modes of droplet transfer - Part 2 Video
  5. Modes of droplet transfer - Part 3 Video
  6. Shielded Metal Arc Welding Video
  7. Flux cored arc welding - Introduction Video

Week 7

  1. Electrode fluxes and process characteristics of flux cored arc welding Video
  2. Flux cored arc welding - Process characteristics Video
  3. Advances in gas metal arc welding - Pulsed GMAW Video
  4. Advances in gas metal arc welding - Controlled dip short circuiting processes Video

Week 8

  1. Submerged arc welding Video
  2. Resistance welding - Fundamentals Video
  3. Resistance spot welding - Part 01 Video
  4. Resistance spot welding - Part 02 Video

Week 9

  1. Resistance spot welding - Part 03 Video
  2. Resistance spot welding - Part 04 Video
  3. Variants in resistance welding - Part 1 Video
  4. Variants in resistance welding - Part 2 Video

Week 10

  1. Laser welding process - Introduction - Part 01 Video
  2. Laser welding process - Part 2 Video
  3. Laser welding process - Part 3 Video
  4. Laser welding process - Part 4 Video

Week 11

  1. Electron beam welding process Video
  2. Other welding processes - Electroslag welding Video
  3. Magnetically Impelled Arc Butt (MIAB) welding Video
  4. Aluminothermic (thermit) welding Video
  5. Introduction to solid state welding processes - Friction welding Video
  6. Friction stir welding - Part 1 Video

Week 12

  1. Friction stir welding - Part 2 Video
  2. Other solid state welding processes Video
  3. Joining processes for Plastics - Part 1 Video
  4. Joining processes for Plastics - Part 2 Video
  5. Adhesive bonding of plastics Video
  6. Welding nomenclatures Video

Syllabus and materials

At NPTEL, as the course publishes them.

Credits and licence

Institution
IIT Madras
Department
Metallurgy and Material Science
Teacher
Prof. Murugaiyan Amirthalingam
Level
Undergraduate
Language
English
Subjects
Engineering
Source
NPTEL
Licence
CC BY-NC-SA, as NPTEL states it. Non-commercial use only. NPTEL's terms
Attribution
NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge.
Who can watch
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