Galfenol Magnetostrictive Material Wire Round Bar Wtih Good Tensile Strength

Galfenol Magnetostrictive Material Wire Round Bar Wtih Good Tensile Strength

Fe₈₃Ga₁₇ Alloy(Galfenol) is a magnetostrictive alloy comprised primarily of the elements iron (Fe) and gallium (Ga).

It was hypothesized that other magnetostrictive alloys had to exist that combined the mechanical robustness of Ni and the giant magnetostrictive response of Terfenol-D.

Galfenol exhibits a unique combination of mechanical and magnetostrictive (magnetic) properties that legacy smart materials do not.

Composition: Fe₈₃Ga₁₇

Galfenol is a new type of magnetostrictive material, the main elements are Fe and Ga,this alloy is called Gafenol because it was developed by Naval Ordnance Laboratory (NOL).

Galfenol was Published in 1999, that filled the gap between traditional ferro-nickel magnetostrictive material and Terfenol-D, Galfenol with excellent stress sensitivity, mechanical and magnetostrictive properties that not available by other intelligent materials.

Galfenol has good temperature characteristics, low saturation magnetization field and high magnetostrictive strain, high magnetic conductivity, high Curie temperature characteristics, the alloy can be widely used in sensing, precision, displacement measurement, transducer, brake and other fields.

The parameters of Galfenol

Composition, Fe83Ga17

Elastic modulus: 107 GPa

Sonic speed: 3,690 m/s

Tensile strength: 362MPa

Fatigue strength: 75MPa

Vickeldean hardness: 235HV

Thermal expansion coefficient: 10ppm/ °C @ 25 °C

Heat conductivity: 15-20W/ (m-K) @15 °C

Fuse point: 1,450 °C

Restivity: 8.14x10-8 Ω·M

Curie temperature: 670 °C

Saturated magnetostrictive factor: 250-320PPM

Saturating field: about 250Oe

Hc:6.048 Oe

d33:11~20

k33:0.27~0.65

μmax:178

Energy density: 0.3-0.6KJ/m3

Poisson ratio: 0.37

Forms available

Round bar,Wire,Square plate.Ring,Tube,Atomized powder

We keep some square rod of Galfenol in stock and could cut the rod into required sizes per customer specification. The delivery is around 2 weeks only.