Grain-<111>-oriented anisotropy in the bonded giant magnetostrictive material

Hao Meng; Tianli Zhang; Chengbao Jiang; Huibin Xu
March 2010
Applied Physics Letters;3/8/2010, Vol. 96 Issue 10, p102501
Academic Journal
A strong <111> preferred orientation is induced along the axis of the TbDyFe/epoxy bonded giant magnetostrictive rods by curing the epoxy under a moderate magnetic field. TbDyFe particles with a size distribution of 200–300 μm align in an epoxy matrix, showing an approximate chain structure. A high magnetostrictive performance resulting from the grain-<111>-oriented anisotropy is achieved with the longitudinal magnetostriction λ∥ up to 1360×10-6 under the prestress of 17 MPa.


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