# Welding Metallurgy

- Institution: IIT Roorkee
- Department: Metallurgy and Material Science
- Teacher: Prof. P. K. Jha
- Level: Undergraduate
- Language: English
- Subjects: Engineering
- Source: [NPTEL](https://nptel.ac.in/courses/113107092)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/113107092)
- 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 welding metallurgy](https://invisiblenetwork.ai/learn/nptel/113107092/f9afeb7ed31a) (Video)
2. [Overview of Welding Processes](https://invisiblenetwork.ai/learn/nptel/113107092/9574692b7940) (Video)
3. [Introduction to phase diagrams](https://invisiblenetwork.ai/learn/nptel/113107092/d85fbbff9228) (Video)
4. [Phase diagram of Iron Carbon system](https://invisiblenetwork.ai/learn/nptel/113107092/ad0908f934bf) (Video)
5. [Phase diagram of non ferrous metals and alloys](https://invisiblenetwork.ai/learn/nptel/113107092/667ed1e2d116) (Video)
6. [Phase Transformations](https://invisiblenetwork.ai/learn/nptel/113107092/971760187924) (Video)
7. [Time Temperature Transformation Diagrams](https://invisiblenetwork.ai/learn/nptel/113107092/73fcf26a50aa) (Video)
8. [Continuous Cooling Transformation Diagrams](https://invisiblenetwork.ai/learn/nptel/113107092/d4f38a4435f8) (Video)
9. [Carbon Equivalent, Schaeffler Diagrams](https://invisiblenetwork.ai/learn/nptel/113107092/ed84dc14b70c) (Video)
10. [Problem solving on Phase Diagrams](https://invisiblenetwork.ai/learn/nptel/113107092/6afef343a674) (Video)
11. [Introduction to strengthening mechanism in metals](https://invisiblenetwork.ai/learn/nptel/113107092/c11eb730d110) (Video)
12. [Solid solution strengthening and grain refinement](https://invisiblenetwork.ai/learn/nptel/113107092/b45e3668cc54) (Video)
13. [Precipitation Hardening and Martensite Strengthening](https://invisiblenetwork.ai/learn/nptel/113107092/064c0457fea2) (Video)
14. [Strain Hardening and Strain Ageing](https://invisiblenetwork.ai/learn/nptel/113107092/f905ec4393fa) (Video)
15. [Problem solving on strengthening mechanism in metals](https://invisiblenetwork.ai/learn/nptel/113107092/4f6798bef6a5) (Video)
16. [Introduction to Heat treatment Processes in Welding](https://invisiblenetwork.ai/learn/nptel/113107092/50e0ea2e0463) (Video)
17. [Hardening and Hardenability](https://invisiblenetwork.ai/learn/nptel/113107092/add1cd526db7) (Video)
18. [Martempering and Austempering](https://invisiblenetwork.ai/learn/nptel/113107092/091e41fcde1e) (Video)
19. [Case Hardening methods](https://invisiblenetwork.ai/learn/nptel/113107092/a563d81fd806) (Video)
20. [Heat treatment of Non-Ferrous metals and alloys](https://invisiblenetwork.ai/learn/nptel/113107092/a6d5f72848ab) (Video)
21. [Heat Sources in Welding](https://invisiblenetwork.ai/learn/nptel/113107092/ed1792753960) (Video)
22. [Heat Flow in Welding](https://invisiblenetwork.ai/learn/nptel/113107092/d677a9c9658a) (Video)
23. [Temperature Distribution in Welding](https://invisiblenetwork.ai/learn/nptel/113107092/0501c51239ac) (Video)
24. [Effect of Welding Parameters](https://invisiblenetwork.ai/learn/nptel/113107092/8ea097f5fc55) (Video)
25. [Metallurgical effect of Heat Flow on Welding](https://invisiblenetwork.ai/learn/nptel/113107092/cf4b4fcd5d73) (Video)
26. [Principles of Solidification in Welding](https://invisiblenetwork.ai/learn/nptel/113107092/e045b14e9a47) (Video)
27. [Solute redistribution during Solidification](https://invisiblenetwork.ai/learn/nptel/113107092/f3bfdfc169cf) (Video)
28. [Constitutional Supercooling](https://invisiblenetwork.ai/learn/nptel/113107092/920b3ff0b250) (Video)
29. [Microsegregation and Banding](https://invisiblenetwork.ai/learn/nptel/113107092/b8281bbaf74b) (Video)
30. [Grain Structure during Solidification in Welding](https://invisiblenetwork.ai/learn/nptel/113107092/6c395098dda8) (Video)
31. [Distinct Zones in Fusion Welded Specimen](https://invisiblenetwork.ai/learn/nptel/113107092/9cd4b78ee030) (Video)
32. [Heat Affected Zone](https://invisiblenetwork.ai/learn/nptel/113107092/704a70160f97) (Video)
33. [Properties of Heat Affect Zone](https://invisiblenetwork.ai/learn/nptel/113107092/c5d10be47756) (Video)
34. [Microstructural Products in Weldments](https://invisiblenetwork.ai/learn/nptel/113107092/1e2bbc2ec200) (Video)
35. [Introduction to Preheat and Postweld Heat Treatment](https://invisiblenetwork.ai/learn/nptel/113107092/14a3d5355c64) (Video)
36. [Preheat and Postweld Heat Treatment of Different Materials](https://invisiblenetwork.ai/learn/nptel/113107092/5eeb60e82f2a) (Video)
37. [Residual Stresses in Welding](https://invisiblenetwork.ai/learn/nptel/113107092/8df872ca7788) (Video)
38. [Causes of Residual Stress Development in Welding](https://invisiblenetwork.ai/learn/nptel/113107092/78c37055e907) (Video)
39. [Measurement of Residual Stresses in Weldments](https://invisiblenetwork.ai/learn/nptel/113107092/b8c0a421096a) (Video)
40. [Controlling Residual Stresses in Weldments](https://invisiblenetwork.ai/learn/nptel/113107092/dbeeeee31248) (Video)
41. [Introduction to Welding Distortion](https://invisiblenetwork.ai/learn/nptel/113107092/5dc25549e5dd) (Video)
42. [Types of Welding Distortions](https://invisiblenetwork.ai/learn/nptel/113107092/89e22eece5e5) (Video)
43. [Angular Distortions in Welds](https://invisiblenetwork.ai/learn/nptel/113107092/69f12443050f) (Video)
44. [Bowing, Buckling and Twisting in Welds](https://invisiblenetwork.ai/learn/nptel/113107092/09db6b36519b) (Video)
45. [Control of Distortion in Welds](https://invisiblenetwork.ai/learn/nptel/113107092/51a543fa049c) (Video)
46. [Introduction to Cracks in Welds](https://invisiblenetwork.ai/learn/nptel/113107092/f653b037dce7) (Video)
47. [Types of Weld Cracks](https://invisiblenetwork.ai/learn/nptel/113107092/6e11928f30f1) (Video)
48. [Specific Weld Cracks](https://invisiblenetwork.ai/learn/nptel/113107092/c0c9b366c714) (Video)
49. [Chevron Cracks and Reheat Cracks](https://invisiblenetwork.ai/learn/nptel/113107092/4e7d3d9cd69f) (Video)
50. [Lamellar Cracks and Stress Corrosion Cracking](https://invisiblenetwork.ai/learn/nptel/113107092/15efcdf981c2) (Video)
51. [Introduction to Weldability of Metals](https://invisiblenetwork.ai/learn/nptel/113107092/542237d433a0) (Video)
52. [Weldability of Carbon Steels](https://invisiblenetwork.ai/learn/nptel/113107092/dcea9e49425d) (Video)
53. [Weldability of Alloy Steels](https://invisiblenetwork.ai/learn/nptel/113107092/0670f989bf26) (Video)
54. [Weldability of Cast Iron](https://invisiblenetwork.ai/learn/nptel/113107092/26e132fe1b73) (Video)
55. [Weldability of Non Ferrous Metals and Alloys](https://invisiblenetwork.ai/learn/nptel/113107092/e3265ac40fd0) (Video)
56. [Introduction to Welding Defects](https://invisiblenetwork.ai/learn/nptel/113107092/d2dd4d43daee) (Video)
57. [Surface and Subsurface Welding Defects](https://invisiblenetwork.ai/learn/nptel/113107092/d77ae3d30da4) (Video)
58. [Issues in Welding: Design for Static Loading](https://invisiblenetwork.ai/learn/nptel/113107092/93052551279c) (Video)
59. [Considerations for Fatigue Loading in Welding](https://invisiblenetwork.ai/learn/nptel/113107092/80f6fbd8f50f) (Video)
60. [Design Features for Fatigue and Static Loading in Welding](https://invisiblenetwork.ai/learn/nptel/113107092/f6536ae8d615) (Video)
61. [Live Session 26-09-2019](https://invisiblenetwork.ai/learn/nptel/113107092/f9afeb7ed31a-2) (Video)