# Welding Processes

- Institution: IIT Madras
- Department: Metallurgy and Material Science
- Teacher: Prof. Murugaiyan Amirthalingam
- Level: Undergraduate
- Language: English
- Subjects: Engineering
- Source: [NPTEL](https://nptel.ac.in/courses/113106087)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/113106087)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Introduction to the course](https://invisiblenetwork.ai/learn/nptel/113106087/a9c22de78f4d) (Video)
2. [Classification of welding processes and definition of welding arc](https://invisiblenetwork.ai/learn/nptel/113106087/97da003a6402) (Video)
3. [Physics of welding arc - Part 01](https://invisiblenetwork.ai/learn/nptel/113106087/fb68f3aff11b) (Video)
4. [Physics of welding arc -Part 02](https://invisiblenetwork.ai/learn/nptel/113106087/e8b6d239746a) (Video)
5. [Physics of welding arc -Part 03](https://invisiblenetwork.ai/learn/nptel/113106087/63f9d8980030) (Video)
6. [Physics of welding arc -Part 04](https://invisiblenetwork.ai/learn/nptel/113106087/0df2b4073b9a) (Video)
7. [Fundamentals of ionisation in welding arc](https://invisiblenetwork.ai/learn/nptel/113106087/0e4d60852196) (Video)
8. [Electrical conductivity of welding arc](https://invisiblenetwork.ai/learn/nptel/113106087/c03ab01787a3) (Video)
9. [Electrical resistivity of welding arc](https://invisiblenetwork.ai/learn/nptel/113106087/25ffbe34042b) (Video)
10. [Heat transfer inside the arc](https://invisiblenetwork.ai/learn/nptel/113106087/6499ed3cd858) (Video)
11. [Arc ignition mechanisms Part - I](https://invisiblenetwork.ai/learn/nptel/113106087/27d3f19eb63d) (Video)
12. [Arc ignition mechanisms Part - II](https://invisiblenetwork.ai/learn/nptel/113106087/6b1d62b7bc99) (Video)
13. [Principles of Gas Tungsten Arc Welding](https://invisiblenetwork.ai/learn/nptel/113106087/258af80a52e5) (Video)
14. [Shielding gases for arc welding](https://invisiblenetwork.ai/learn/nptel/113106087/08686f8b1893) (Video)
15. [Selection of shielding gases for engineering alloys](https://invisiblenetwork.ai/learn/nptel/113106087/ca9d469ebbce) (Video)
16. [Arc welding power sources Part 01](https://invisiblenetwork.ai/learn/nptel/113106087/d2a794f19088) (Video)
17. [Arc welding power sources Part 02](https://invisiblenetwork.ai/learn/nptel/113106087/318ad122cc17) (Video)
18. [Arc welding power sources Part 03](https://invisiblenetwork.ai/learn/nptel/113106087/323e1a3f4674) (Video)
19. [Variations in GTAW process](https://invisiblenetwork.ai/learn/nptel/113106087/49d44e986caa) (Video)
20. [Square wave, variable polarity, GTAW with filler, hot wire GTAW](https://invisiblenetwork.ai/learn/nptel/113106087/82fd7970e908) (Video)
21. [Dual gas GTAW and Plasma Welding processes](https://invisiblenetwork.ai/learn/nptel/113106087/119b5497fe99) (Video)
22. [Multi cathode GTAW and Activated GTAW](https://invisiblenetwork.ai/learn/nptel/113106087/4238b9a9e008) (Video)
23. [Buried GTAW and Rate controlling parameters of GTAW](https://invisiblenetwork.ai/learn/nptel/113106087/29b4f9fc20e7) (Video)
24. [Introduction to consumable welding processes](https://invisiblenetwork.ai/learn/nptel/113106087/a9eb4159187c) (Video)
25. [Melting rate of consumable wires](https://invisiblenetwork.ai/learn/nptel/113106087/46447d23a3a3) (Video)
26. [Physics of droplet transfer in consumable welding](https://invisiblenetwork.ai/learn/nptel/113106087/9e0f12a188bb) (Video)
27. [Modes of droplet transfer - Part 1](https://invisiblenetwork.ai/learn/nptel/113106087/c980a1af55b6) (Video)
28. [Modes of droplet transfer - Part 2](https://invisiblenetwork.ai/learn/nptel/113106087/b1228f24d799) (Video)
29. [Modes of droplet transfer - Part 3](https://invisiblenetwork.ai/learn/nptel/113106087/ffc50b1f9562) (Video)
30. [Shielded Metal Arc Welding](https://invisiblenetwork.ai/learn/nptel/113106087/9d06e04fd9d5) (Video)
31. [Flux cored arc welding - Introduction](https://invisiblenetwork.ai/learn/nptel/113106087/cb91784349d3) (Video)
32. [Electrode fluxes and process characteristics of flux cored arc welding](https://invisiblenetwork.ai/learn/nptel/113106087/127af8245a6b) (Video)
33. [Flux cored arc welding - Process characteristics](https://invisiblenetwork.ai/learn/nptel/113106087/bfc1dd65b9df) (Video)
34. [Advances in gas metal arc welding - Pulsed GMAW](https://invisiblenetwork.ai/learn/nptel/113106087/9ca762c34406) (Video)
35. [Advances in gas metal arc welding - Controlled dip short circuiting processes](https://invisiblenetwork.ai/learn/nptel/113106087/b6652068c4ad) (Video)
36. [Submerged arc welding](https://invisiblenetwork.ai/learn/nptel/113106087/e3fcb2908d39) (Video)
37. [Resistance welding - Fundamentals](https://invisiblenetwork.ai/learn/nptel/113106087/c4802d9be410) (Video)
38. [Resistance spot welding - Part 01](https://invisiblenetwork.ai/learn/nptel/113106087/d2ee4715074d) (Video)
39. [Resistance spot welding - Part 02](https://invisiblenetwork.ai/learn/nptel/113106087/c5676f2b6a06) (Video)
40. [Resistance spot welding - Part 03](https://invisiblenetwork.ai/learn/nptel/113106087/ed1a83edfc15) (Video)
41. [Resistance spot welding - Part 04](https://invisiblenetwork.ai/learn/nptel/113106087/de6620f7dcb7) (Video)
42. [Variants in resistance welding - Part 1](https://invisiblenetwork.ai/learn/nptel/113106087/0dd6384136b5) (Video)
43. [Variants in resistance welding - Part 2](https://invisiblenetwork.ai/learn/nptel/113106087/e9d4f6767c24) (Video)
44. [Laser welding process - Introduction - Part 01](https://invisiblenetwork.ai/learn/nptel/113106087/af4d3d57558f) (Video)
45. [Laser welding process - Part 2](https://invisiblenetwork.ai/learn/nptel/113106087/e8057f923324) (Video)
46. [Laser welding process - Part 3](https://invisiblenetwork.ai/learn/nptel/113106087/f48a28077a3d) (Video)
47. [Laser welding process - Part 4](https://invisiblenetwork.ai/learn/nptel/113106087/1a9ea77435a5) (Video)
48. [Electron beam welding process](https://invisiblenetwork.ai/learn/nptel/113106087/8bad36d7320d) (Video)
49. [Other welding processes - Electroslag welding](https://invisiblenetwork.ai/learn/nptel/113106087/b883855918a4) (Video)
50. [Magnetically Impelled Arc Butt (MIAB) welding](https://invisiblenetwork.ai/learn/nptel/113106087/fdc74ea4ab6a) (Video)
51. [Aluminothermic (thermit) welding](https://invisiblenetwork.ai/learn/nptel/113106087/01f8fbc9071c) (Video)
52. [Introduction to solid state welding processes - Friction welding](https://invisiblenetwork.ai/learn/nptel/113106087/3a232dbdd535) (Video)
53. [Friction stir welding - Part 1](https://invisiblenetwork.ai/learn/nptel/113106087/df67135387c6) (Video)
54. [Friction stir welding - Part 2](https://invisiblenetwork.ai/learn/nptel/113106087/7eb1c020f5cc) (Video)
55. [Other solid state welding processes](https://invisiblenetwork.ai/learn/nptel/113106087/74f2a13ac4ee) (Video)
56. [Joining processes for Plastics - Part 1](https://invisiblenetwork.ai/learn/nptel/113106087/1e5797210ee8) (Video)
57. [Joining processes for Plastics - Part 2](https://invisiblenetwork.ai/learn/nptel/113106087/6ae8c1eedecd) (Video)
58. [Adhesive bonding of plastics](https://invisiblenetwork.ai/learn/nptel/113106087/007dd1b06adc) (Video)
59. [Welding nomenclatures](https://invisiblenetwork.ai/learn/nptel/113106087/9612990006a0) (Video)