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Table 1 Properties of Terfenol-D (Terfenol-D 2015)

From: Full-field infrared phase sensitive thermography for microstructural investigation of giant magnetostrictive materials

Terfenol D Physical Properties
Mechanical Properties
Density 9200 kg/m3
Bulk Modulus 90 GPa
Tensile Strength 28–40 MPa
Compressive Strength 300–880 MPa
Thermal Properties
CTE 11 Ppm/°C @ 25 °C
Specific Heat 330 J/(kg-K)
Magnetostrictive Properties
Strain 800–1200 ppm
Piezomagnetic Constant 6–10 nm/A
Magnetic Properties
Relative Permeability 2–10