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Grade: Shape-Memory Alloy
Formula: Ni 50/Mn 28/Ga 22 (At.%)
Form: Bar
Material: Magnetic Shape Memory Alloy
Commodity: Alloys
Hazard Pictogram: GHS05, GHS07, GHS08

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

Shape-Memory Alloy Magnetic Shape Memory Alloy Bar (Ni50/Mn28/Ga22 (Atomic %)) exhibits magnetic shape memory, meaning it changes shape in response to a magnetic field. With 3 variations available, this bar is used in applications like actuators, sensors and microfluidic pumps, taking advantage of its ability to undergo large deformation when exposed to a magnetic field. The magnetic shape memory effect allows for contactless actuation and sensing, making this alloy useful for developing solid state devices and MEMS.

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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