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Magnetic Shape Memory Alloy ( Ni50/Mn28/Ga22 (Atomic %) )

Material Information

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Electrical Properties

Electrical resistivity ( µOhmcm ) 70
Temperature coefficient ( K-1 ) 0.003

Magnetic Properties

Coercivity (Hc) ( A m-1 ) 4000
Curie temperature ( C ) 95 - 105
Initial permeability 2
Maximum permeability 90
Remanence from saturation (Brem) ( T ) 0.02
Saturation flux density ( T ) 0.6

Mechanical Properties

Hardness - Vickers ( kgf mm-2 ) 130
Modulus of elasticity ( GPa ) 8 - 20

Physical Properties

Density ( g cm-3 ) 8
Melting point ( C ) 1130

Thermal Properties

Coefficient of thermal expansion @20C ( x10-6 K-1 )
Crystallization temperature ( C ) 1090
Maximum use temperature in air ( C ) 45
Temperature - Austenitic ( C ) 50
Temperature - Martensitic ( C ) 45
Thermal conductivity @16C ( W m-1 K-1 )

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