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Joining Technologies of Commercial Importance

Joining Technologies of Commercial Importance. Instructor: Dr. D. K. Dwivedi, Department of Mechanical and Industrial Engineering, IIT Roorkee. This course talks about the manufacturing process and how the joining processes are related with the manufacturing. Topics covered in this course include Fundamentals of metal joining technologies, Fusion based processes, Solid-liquid joining processes, Solid state joining processes, Adhesive joining, Metallurgical aspects of welding, and Common issues related with joining technologies such as cracking. (from nptel.ac.in)

Lecture 12 - Gas Metal Arc Welding

The Gas Metal Arc welding process, its characteristics, advantages, disadvantages, etc have been explained in this lecture.


Go to the Course Home or watch other lectures:

Lecture 01 - Introduction to Manufacturing and Joining
Lecture 02 - Fundamental Mechanisms of Joining
Lecture 03 - Classification of Joining Processes
Lecture 04 - Heat Generation in Welding
Lecture 05 - Protection of Weld Metal
Lecture 06 - Principle of Fusion Welding Processes: Gas Welding
Lecture 07 - Fundamentals of Welding
Lecture 08 - Physics of Welding Arc
Lecture 09 - Shielded Metal Arc Welding
Lecture 10 - Gas Tungsten Arc Welding
Lecture 11 - Newer Variants of Gas Tungsten Arc Welding
Lecture 12 - Gas Metal Arc Welding
Lecture 13 - Submerged Arc Welding
Lecture 14 - Electro-slag and Electro-gas Welding Processes
Lecture 15 - Laser Beam Welding Process
Lecture 16 - Brazing
Lecture 17 - Soldering and Braze Welding
Lecture 18 - Fundamentals of Resistance Welding
Lecture 19 - Resistance Welding Processes: Spot and Seam Welding
Lecture 20 - Flash Butt Welding
Lecture 21 - Adhesive Joining
Lecture 22 - Weld Bonding
Lecture 23 - Solid State Joining Technologies: Fundamentals
Lecture 24 - Ultrasonic Welding
Lecture 25 - Diffusion Welding
Lecture 26 - Explosive Welding
Lecture 27 - Magnetic Pulse Welding
Lecture 28 - Weld Thermal Cycle
Lecture 29 - Heat Affected Zone and Weld Thermal Cycle
Lecture 30 - Heat Affected Zone and Weld Thermal Cycle (cont.)
Lecture 31 - Solidification of Weld Metal
Lecture 32 - Fundamentals of Weldability of Metals
Lecture 33 - Weldability of Carbon and Alloy Steels: Fe-C, CCT
Lecture 34 - Weldability of Stainless Steels
Lecture 35 - Metallurgical Transformations in Weld and Heat Affected Zone of Steels
Lecture 36 - Weldability of Aluminium Alloys
Lecture 37 - Solidification Cracking and their Control
Lecture 38 - Residual Stresses in Weld Joints
Lecture 39 - Cracking of Welded Joints: Solidification and Liquation Cracks
Lecture 40 - Cracking of Welded Joints: Cold Cracks