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Formula: Ni 50/Mn 28/Ga 22 (At.%)
Form: Bar
Material: Nickel/Manganese/Gallium (Magnetic Shape Memory Alloy)
Commodity: Alloys

Magnetic Shape Memory Alloy Bar (Ni50/Mn28/Ga22 at%)

Magnetic Shape Memory Alloy Bar (Ni50/Mn28/Ga22 at%) is a ferromagnetic Heusler-type alloy known for its unique ability to undergo reversible deformation under applied magnetic fields, a property enabled by martensitic twin boundary motion. It combines high magnetic anisotropy with tunable martensitic transformation, resulting in notable shape memory and superelastic behaviors. Key applications include aerospace, robotics, and precision actuation systems, where controlled mechanical response and adaptive functionality are critical. Technologies that particularly benefit include fast-response actuators in aerospace control surfaces, micro-robotics requiring field-driven deformation, and magnetocaloric devices for energy-efficient thermal management. This alloy has been central in advancing research into multifunctional smart materials, especially for coupling mechanical, magnetic, and thermal responses. Magnetic Shape Memory Alloy Bar (Ni50/Mn28/Ga22 at%) is thus of high value to both scientific and industrial communities, serving as a cornerstone for innovation in adaptive materials and next-generation actuator technologies.

Corrosive

Health hazard/Hazardous to the ozone layer

Serious health hazard

each

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Tolerances

Bar
Side Length =<10mm ±10%
Side Length >10mm ±1mm
Side Length (Of Longer Side) >10mm ±1mm
Side Length (Of Longer Side) =<10mm ±10%
Length <100mm ±1mm
Length >=100mm +5% / -1%

Material Properties for Alloys

Magnetic Properties
Element Value
Initial permeability 2
Maximum permeability 45
Coercivity (Hc)( A m⁻¹ ) 4000
Curie temperature( C ) 95-105
Remanence from saturation (Brem)( T ) 0.02
Saturation flux density( T ) 0.6
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 70
Temperature coefficient( K⁻¹ ) 0.003
Thermal Properties
Element Value
Crystallisation temperature( C ) 1090
Maximum use temperature in air( C ) 45
Melting point( C ) 1130
Temperature - Austenitic( C ) 50
Temperature - Martensitic( C ) 45
Thermal conductivity( W m⁻¹ K⁻¹ ) 16
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 20
Physical Properties
Element Value
Density( gcm⁻³ ) 8
Mechanical Properties
Element Value
Modulus of elasticity( GPa ) Aug-20
Hardness - Vickers( kgf mm⁻² ) 130

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