Magnetostriction


Magnetostriction

When a ferromagnetic material is magnetized , its dimensions change slightly , and the sample being magnetized either expands or contracts in the direction of magnetization. This magnetically induced reversible elastic strain  is called magnetosriction and is of the order of 10⁻⁶ . the  energy  due to the mechanical stresses created by  magnetostriction is called magnetostrictive energy.

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