CY3348 Terbium Dysprosium Ferroalloy GMM

Catalog No. CY3348
Material Tb1-xDyxFe2-y
Density 9.15~9.25 g/cm3
Magnetostriction ≥1000x10-6 λ// (80kA/m, 10MPa)

Terbium Dysprosium Ferroalloy GMM has actuation and sensing functions. Stanford Advanced Materials (SAM) has rich experience in manufacturing and supplying high-quality Terbium Dysprosium Ferroalloy GMM.

Related products: Terbium Metal, Dysprosium Metal

Terbium Dysprosium Ferroalloy GMM Description

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.

Terbium Dysprosium Ferroalloy GMM Specifications

Magnetostriction (λ//)

≥1000x10-6 (80kA/m, 10MPa)

Young's Modulus

(2.5~6.5)×1010N/m2

Tensile Strength

≥25Mpa

Compressive Strength

≥260MPa

Thermal Expansion Coefficient

(8~12)x10-6/℃

Curie Temperature

380℃

Coupling Factor

0.65~0.75

Sound Velocity

1700~2600m/s

Operating Temperature

-40~150℃

Density (g/cm3)

9.15-9.25

Energy Density

14~25kJ/m3

Relative Permeability

3~15

Conductivity

(60~130)x10-8Ω·m

Heat Capacity

0.35kJ/kg·k

Reponse Time

<1μs

Precision

10-1~10-3μm

Response Range of Frequency

1~104Hz

GMM Material Product Specifications

Rod

Diameter (D)

Length (L)

4-7

5≤L≤60

8-10

5≤L≤100

10-50

5≤L≤200

 

Bar

Length (L)

Width (W)

Height (H)

2≤L≤4

2≤W≤4

2≤H≤30

4≤L≤7

4≤W≤7

2≤H≤60

7≤L≤35

7≤W≤35

2≤H≤100

 

Ring

Outer Diameter (D)

Thickness(t)

Length(L)

8≤D≤10

2

2≤L≤50

10≤D≤20

3

2≤L≤100

20≤D≤50

4

2≤L≤100

 

Plate

Diameter (D)

Minimum Thickness (δ)

4≤D≤50

1

 

Layer

Diameter (D)

Length (L)

Minimum thickness (δ)

10≤D≤20

5≤L≤50

2

20≤D≤50

5≤L≤100

2

Terbium Dysprosium Ferroalloy GMM Applications

Giant magnetostrictive materials (GMM) has broad application prospects in:

sonar's underwater acoustic transducer technology,

electroacoustic transducer technology,

ocean exploration and development technology,

micro-displacement drive,

vibration reduction and anti-vibration,

noise reduction and anti-noise system,

intelligent airfoil, Robots, automation technology,

fuel injection technology,

valves, pumps, wave oil extraction and other high-tech fields.

Terbium Dysprosium Ferroalloy GMM Packaging

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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