Diffusion Welding [Working Principle Explained]

In this video, we will learn about the physics behind diffusion welding.
The working principle has been explained in details along with advantages and disadvantages of diffusion welding

[@Osxtwo]

Nice clear explanation, thankyou for the upload.

[@surendrarama2095]

Is diffusion welding is possible for welding same type of metals?or is this a forge welding?