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Nitinol - NiTi Shape Memory Alloy; High-Temperature Phase

 

Subcategory: Titanium Alloy; Nickel Alloy; Nonferrous Metal

Close Analogs: MatWeb has a separate entry for the low temperature phase of Nitinol.

Key Words: Titanium Nickel Alloys, SMAs

Material Notes:
Shape Memory Alloys (SMA's) are novel materials which have the ability to return to a predetermined shape when heated. When an SMA is cold, or below its transformation temperature, it has a very low yield strength and can be deformed quite easily into any new shape--which it will retain. However, when the material is heated above its transformation temperature it undergoes a change in crystal structure which causes it to return to its original shape. If the SMA encounters any resistance during this transformation, it can generate extremely large forces. The most common shape memory material is an alloy of nickel and titanium called Nitinol (50 atom% Ni, 50 atom% Ti). This particular alloy has very good electrical and mechanical properties, long fatigue life, and high corrosion resistance.

Information provided by TiNi Alloy Company.

Available Properties
  • Density
  • Tensile Strength, Ultimate
  • Tensile Strength, Yield
  • Elongation at Break
  • Modulus of Elasticity
  • Poissons Ratio
  • Shear Modulus
  • Electrical Resistivity
  • Magnetic Susceptibility
  • Specific Heat Capacity
  • Thermal Conductivity
  • Melting Point
  • Solidus
  • Liquidus
   
Property Data

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