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

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

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