Structural behavior of winding and superconductor under mechanical loading

This paper describes the structural behavior of pool-cooled windings for a pulsed coil under both mechanical and magnetic forces. Mechanical expansion and compressive loading were applied to a pool-cooled single pancake winding in order to evaluate equivalent Young's moduli of winding in the radial and axial directions, respectively. On the other hand, magnetic force was applied to a similar double pancake in the experiment of the Poloidal Unit Pancake (PUP). It was demonstrated that a winding rigidity test under mechanical loading was available to predict the structural behavior of superconducting coils.