Materials with high magnetostriction

The magnetostrictive properties of cubic Laves phases such as TbFe2, Terfenol D and SmFe2 are summarised. It is shown that SmFe2 can be an interesting candidate as a high magnetostrictive material even in the as cast "dirty" state. Fe-X alloys based on Fe-Ga but also Fe-Al are presented as materials with a medium magnetostriction, however with the big advantage of a magnetically soft material. Generally all nonmagnetic substutional elements which cause an increase of the interatomic distance in the Fe-lattice (such as Ga, Al, Si) cause an increase of the magnetostriction too. In Ni-Ga a reduction of the magnetostriction was found. Another interesting material with high magnetostriction is CoFe2O4 which is cheap, easy to produce and an oxidic material. Here magnetostriction values up to 400 ppm can be achieved by hydrostatic compaction followed by a field annealing.

[1]  D. Suess,et al.  An Eddy-Current Model Describing the Frequency Dependence of the Coercivity of Polycrystalline Galfenol , 2012, IEEE Transactions on Magnetics.

[2]  R. Grössinger,et al.  Magnetostriction of polycrystalline Fe100−xAlx (x=15, 19, 25) , 2010 .

[3]  D. Jiles,et al.  Influence of vacuum sintering on microstructure and magnetic properties of magnetostrictive cobalt ferrite , 2009 .

[4]  N. Mehmood,et al.  Magnetostriction of Fe-X (X $ =$ Al, Ga, Si, Ge) Intermetallic Alloys , 2008, IEEE Transactions on Magnetics.

[5]  S. Pascarelli,et al.  Direct measurement of intrinsic atomic scale magnetostriction. , 2008, Physical review letters.

[6]  S. Pascarelli,et al.  Local structure in magnetostrictive melt-spunFe80Ga20alloys , 2008 .

[7]  T. Lograsso,et al.  Temperature dependence of the magnetostriction and magnetoelastic coupling in Fe100−xAlx (x=14.1,16.6,21.5,26.3) and Fe50Co50 , 2008 .

[8]  E. Summers,et al.  Magnetostriction of binary and ternary Fe–Ga alloys , 2007 .

[9]  A. Mauger,et al.  Magnetic properties of CeyFe4−xNixSb12CeyFe4−xNixSb12 , 2005 .

[10]  D. Jiles,et al.  Improvement of magnetomechanical properties of cobalt ferrite by magnetic annealing , 2005, IEEE Transactions on Magnetics.

[11]  R. S. Turtelli,et al.  Volume magnetostriction and structure of copper mold-cast polycrystalline Fe-Ga alloys , 2005 .

[12]  Marilyn Wun-Fogle,et al.  Extraordinary magnetoelasticity and lattice softening in bcc Fe-Ga alloys , 2003 .

[13]  N. Tuan,et al.  Excellent magnetic softness in magnetostrictive TbFeCo/YFe multilayers , 2002 .

[14]  Sivaraman Guruswamy,et al.  Large magnetostriction in directionally solidified FeGa and FeGaAl alloys , 2001 .

[15]  Marilyn Wun-Fogle,et al.  Magnetoelasticity of Fe–Ga and Fe–Al alloys , 2001 .

[16]  R. D. Greenough,et al.  Amorphous magnetic materials for transducers , 1999 .

[17]  H. Samata,et al.  Magnetic anisotropy and magnetostriction of SmFe2 crystal , 1999 .

[18]  K. Hathaway,et al.  Magnetoelastic waves in rare‐earth intermetallics , 1978 .

[19]  A. Clark,et al.  Magnetostriction and Structural Distortion in Rare Earth Intermetallics , 1976 .

[20]  A. Williams,et al.  Anisotropy and Magnetostriction of Some Ferrites , 1955 .

[21]  Sang Ho Lim,et al.  Magnetostrictive properties of polymer-bonded Terfenol-D composites , 1999 .

[22]  H. Wijn.  Magnetic Properties of Metals , 1991 .

[23]  A. E. Clark,et al.  Chapter 7 Magnetostrictive rare earth-Fe2 compounds , 1980 .