Permendur-49 Alloy Magnetostrictive Material Highest Saturation Magnetic Induction
Typical composition
Co 49 V 2 Fe 49
Specification
ASTM A801 Alloy Type 1
Features
Table 2 Physical Properties Alloy type 1
Density, g/cm3 8.12
Electrical resistivity,μΩm 0.40
Curie Temperature,℃ 940
Saturation magnetostriction,10-10 60
Saturation induction, (T) 2.38
Modulus of elasticity, psi 30x106
Temperature Range,℃ Thermal Expansivity,10-6/℃
20 to 100 9.2
20 to 200 9.5
20 to 300 9.8
20 to 400 10.1
20 to 500 10.4
20 to 600 10.5
20 to 700 10.8
20 to 800 11.3
DC MAGNETIC PROPERTY
Forms | Size/mm | Magnetic induction at different magnetic field B,≥(T) | Coercivity | |||
B800(A/m) | B1600(A/m) | B4000(A/m) | B8000(A/m) | Hc,≤ (A/m) | ||
Cold Rolling Strip | All | 2.00 | 2.10 | 2.20 | 2.25 | 128 |
Rod | Over 25.4 | 1.50 | 1.75 | 1.95 | 2.15 | 144 |
Heat treatment
Use a non-oxidizing, non-carburizing atmosphere such as dry hydrogen, argon, or equivalent, or a Vacuum. Appropriate safety precaution must be taken when working with highly flammable atmospheres.
Applications
Special Motors for the Aerospace Industry; Electromagnets for medical applications; Electrical Generators; Specialty Transformers; Pole Pieces for Electromagnets; Magnetic Bearings; High Magnetic Flux Devices and Instruments.