Compressional stress on magnetic laminations

IN MANY important applications, magnetic materials in the form of thin laminations are subjected to a compressional stress. Particularly important examples of this type of application are the clamping of magnetic laminations for electric motors, transformers, and synchro-components. In each of the examples, the direction of the compressional stress is perpendicular to the direction of the magnetic field and perpendicular to the plane of the laminations; hence, this case warrants special consideration.