# Welding Engineering

- Institution: IIT Roorkee
- Department: Mechanical Engineering
- Teacher: Dr. D. K. Dwivedi
- Level: Undergraduate
- Language: English
- Subjects: Engineering
- Source: [NPTEL](https://nptel.ac.in/courses/112107089)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/112107089)
- 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 Engineering](https://invisiblenetwork.ai/learn/nptel/112107089/2148deaf3833) (Video)
2. [Classification of Welding Processes- I](https://invisiblenetwork.ai/learn/nptel/112107089/a1395db41bba) (Video)
3. [Classification of Welding Processes- II](https://invisiblenetwork.ai/learn/nptel/112107089/758bbeb887b9) (Video)
4. [Sources of Heat and Protection of Weld pool](https://invisiblenetwork.ai/learn/nptel/112107089/777f6221bdee) (Video)
5. [Protection of Weld Pool](https://invisiblenetwork.ai/learn/nptel/112107089/bc84875b91f1) (Video)
6. [Introduction.](https://invisiblenetwork.ai/learn/nptel/112107089/4b129be4615c) (Video)
7. [Fundamentals of Arc Initiation](https://invisiblenetwork.ai/learn/nptel/112107089/8b218c4cbc73) (Video)
8. [Arc Maintenance & Arc Characteristics](https://invisiblenetwork.ai/learn/nptel/112107089/43a0a4ec9d67) (Video)
9. [Arc Forces](https://invisiblenetwork.ai/learn/nptel/112107089/3d4dba0ce126) (Video)
10. [Arc Efficiency](https://invisiblenetwork.ai/learn/nptel/112107089/01bd093bfd8a) (Video)
11. [Melting Rate in Different Welding Processes](https://invisiblenetwork.ai/learn/nptel/112107089/06b6616456bb) (Video)
12. [Types of power sources and their characteristics- I](https://invisiblenetwork.ai/learn/nptel/112107089/3880baa8419c) (Video)
13. [Types of power sources and their characteristics- II](https://invisiblenetwork.ai/learn/nptel/112107089/d10b8b919348) (Video)
14. [SMAW- I](https://invisiblenetwork.ai/learn/nptel/112107089/823a44f10bba) (Video)
15. [SMAW- II](https://invisiblenetwork.ai/learn/nptel/112107089/6b8140ae268d) (Video)
16. [GTAW- I](https://invisiblenetwork.ai/learn/nptel/112107089/ac2fb3cc0a02) (Video)
17. [GTAW- II](https://invisiblenetwork.ai/learn/nptel/112107089/cfdac258fe81) (Video)
18. [PAW & SAW](https://invisiblenetwork.ai/learn/nptel/112107089/1e268d63befb) (Video)
19. [SAW](https://invisiblenetwork.ai/learn/nptel/112107089/252b1f6d8e58) (Video)
20. [GMAW](https://invisiblenetwork.ai/learn/nptel/112107089/fe0560286994) (Video)
21. [Brazing, Soldering & Braze Welding](https://invisiblenetwork.ai/learn/nptel/112107089/cf97416e0c69) (Video)
22. [Braze welding and Electroslag welding](https://invisiblenetwork.ai/learn/nptel/112107089/001d437232f9) (Video)
23. [Weld Thermal Cycle](https://invisiblenetwork.ai/learn/nptel/112107089/080a355313dc) (Video)
24. [Effect of WTC and Cooling rate in welding](https://invisiblenetwork.ai/learn/nptel/112107089/ba597531cdda) (Video)
25. [Cooling rate](https://invisiblenetwork.ai/learn/nptel/112107089/4f568a5e6cf2) (Video)
26. [Peak temperature & Solidification rate](https://invisiblenetwork.ai/learn/nptel/112107089/ead9702123cf) (Video)
27. [Residual stress- I](https://invisiblenetwork.ai/learn/nptel/112107089/20af7ecf1dc9) (Video)
28. [Residual stress- II](https://invisiblenetwork.ai/learn/nptel/112107089/4e35f8ce832b) (Video)
29. [Introduction](https://invisiblenetwork.ai/learn/nptel/112107089/d4d936c91151) (Video)
30. [Type of joints and welds](https://invisiblenetwork.ai/learn/nptel/112107089/079db9dd84d0) (Video)
31. [Edge preparation](https://invisiblenetwork.ai/learn/nptel/112107089/a30384b7e84b) (Video)
32. [Design for static and fatigue loading](https://invisiblenetwork.ai/learn/nptel/112107089/4346ca72d420) (Video)
33. [Fatigue fracture of weld joints- I](https://invisiblenetwork.ai/learn/nptel/112107089/d6a1fd57a96d) (Video)
34. [Fatigue fracture of weld joints- II](https://invisiblenetwork.ai/learn/nptel/112107089/164fa50ac7a7) (Video)
35. [Introduction-](https://invisiblenetwork.ai/learn/nptel/112107089/4d81cb3e20fa) (Video)
36. [DT & NDT](https://invisiblenetwork.ai/learn/nptel/112107089/9f5ecd55c271) (Video)
37. [Understanding Weldability](https://invisiblenetwork.ai/learn/nptel/112107089/903e0d702814) (Video)
38. [Reactions in weldment](https://invisiblenetwork.ai/learn/nptel/112107089/22be02918493) (Video)
39. [Weldability of Al alloys](https://invisiblenetwork.ai/learn/nptel/112107089/65c05da9a5d6) (Video)
40. [Failure analysis and prevention](https://invisiblenetwork.ai/learn/nptel/112107089/05bd872ff5f1) (Video)