The structure of the car body places high demands on welding: the weld seam must completely meet the strength requirements of the body structure. The surface must also be free of cracks and pores, as mechanical reworking is completely out of the question on a passenger car of this category. Last but not least it must be possible to implement the final process economically in the given time. Conventional welding processes did not make the cut for this application due to the high levels of heat generation.
Fusion inches closer as ITER completes magnet system
The problem with a Tokamak shape for the fusion plasma, is that the magnetic field from the central solenoid reduces from the centre outwards, leading...