VillariEffekt
The Villari effect refers to a magnetoelastic phenomenon in which mechanical stress alters the magnetic properties of a ferromagnetic material, most commonly its permeability and magnetization. The effect is observed when a stressed material is placed in a magnetic field, causing a stress-dependent change in magnetic response. It is part of the broader magnetoelastic family of effects that describe coupling between magnetic and elastic degrees of freedom in solids.
The underlying mechanism involves changes to magnetic anisotropy and domain structure caused by stress. When a
Materials and magnitude vary widely. Soft ferromagnets such as iron alloys may exhibit relatively small but
Applications of the Villari effect include stress and load sensing, structural health monitoring, and transducers for