Day: March 27, 2011

Magnetic Materials

villari effect

Magnetostriction is a reversible effect because change in magnetsation can be produced by applying stress on the material. This effect is called Villari effect. Reference:

Magnetic Materials

Magnetostriction

When a ferromagnetic material is magnetised, its length either expands or contracts in the direction of the magnetisation. This effect is called magnetostriction or Joule