Method for producing motion and force by controlling the twin structure orientation of a material and its uses

   
   

The present invention refers to a method for obtaining shape changes, motion and/or force in a material having a twinned structure. According to the method, a sufficiently high external magnetic field applied to the material reorients the twin structure thereby producing motion/force. The operation is possible if the magnetocrystalline anisotropy energy is higher than or comparable to the energy of the reorientation of the twin structure to produce a certain strain.

A invenção atual consulta a um método obtendo mudanças, movimento e/ou força da forma em um material que tem uma estrutura twinned. De acordo com o método, um campo magnético externo suficientemente elevado aplicado ao material reorients a estrutura gêmea que produz desse modo motion/force. A operação é possível se a energia do anisotropy do magnetocrystalline for mais elevada do que ou comparável à energia do reorientation da estrutura gêmea produzir alguma tensão.

 
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