Terbium Dysprosium Ferroalloy GMM has actuation and sensing functions. Stanford Materials Corporation (SMC) has rich experience in manufacturing and supplying high-quality Terbium Dysprosium Ferroalloy GMM.
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GMM (Tb1-xDyxFe2-y) material has actuation and sensing functions. Actuation means that the size of the material changes under the action of a magnetic field, which can convert magnetic energy into mechanical kinetic energy. It is characterized by high precision, fast response speed, and large force. At the same time, GMM material has a piezomagnetic effect, that is, the magnetization state of the material changes under the action of external force, so it can be made into a sensor.
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Magnetostriction (λ//) |
≥1000x10-6 (80kA/m, 10MPa) |
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Young's Modulus |
(2.5~6.5)×1010N/m2 |
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Tensile Strength |
≥25Mpa |
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Compressive Strength |
≥260MPa |
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Thermal Expansion Coefficient |
(8~12)x10-6/℃ |
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Curie Temperature |
380℃ |
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Coupling Factor |
0.65~0.75 |
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Sound Velocity |
1700~2600m/s |
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Operating Temperature |
-40~150℃ |
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Density (g/cm3) |
9.15-9.25 |
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Energy Density |
14~25kJ/m3 |
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Relative Permeability |
3~15 |
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Conductivity |
(60~130)x10-8Ω·m |
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Heat Capacity |
0.35kJ/kg·k |
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Reponse Time |
＜1μs |
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Precision |
10-1~10-3μm |
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Response Range of Frequency |
1~104Hz |
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Rod |
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Diameter (D) |
Length (L) |
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4-7 |
5≤L≤60 |
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8-10 |
5≤L≤100 |
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10-50 |
5≤L≤200 |
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Bar |
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Length (L) |
Width (W) |
Height (H) |
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2≤L≤4 |
2≤W≤4 |
2≤H≤30 |
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4≤L≤7 |
4≤W≤7 |
2≤H≤60 |
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7≤L≤35 |
7≤W≤35 |
2≤H≤100 |
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Ring |
||
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Outer Diameter (D) |
Thickness(t) |
Length(L) |
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8≤D≤10 |
2 |
2≤L≤50 |
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10≤D≤20 |
3 |
2≤L≤100 |
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20≤D≤50 |
4 |
2≤L≤100 |
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Plate |
|
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Diameter (D) |
Minimum Thickness (δ) |
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4≤D≤50 |
1 |
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Layer |
||
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Diameter (D) |
Length (L) |
Minimum thickness (δ) |
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10≤D≤20 |
5≤L≤50 |
2 |
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20≤D≤50 |
5≤L≤100 |
2 |
Our Terbium Dysprosium Ferroalloy GMM is carefully handled during storage and transportation to preserve the quality of our product in its original condition.
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