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Nitinol™ Nickel Titanium Shape Memory Alloys

Nickel Titanium (also known as Nitinol™) is the unique class of materials known as shape memory alloys. A thermoelastic martensitic phase transformation in the material is responsible for its extraordinary properties. These properties include the shape memory effect, superelasticity, and high damping capability. The properties of Nitinol can be modified to a great extent by changes in alloy composition, mechanical working, and heat treatment. In most cases a trial and error process is required to optimize these factors for a particular application.

 

Alfa Aesar offers a wide variety of NiTi components to meet your unique requirements. In addition, many standard items are in stock for immediate delivery.

Tubing:

  • Outer Diameter (O.D.) from 0.125 to 6.4mm (0.005in to 0.250in)
  • Wall Thickness down to less than 0.05mm (0.002in) dependent upon O.D. size

Wire & Ribbon:

  • Wire: diameters from 0.025mm (0.001in) to 2mm (0.080in) and above
  • Straight superelastic Nitinol wire with oxide; diameter from 0.0050 to 0.0230mm
  • Ribbon and Strip: from 0.025mm x 0.05mm (0.001in x 0.002in) to 0.75mm x 10mm (0.030in x 0.400in)
  • Stranded Wire: many different configurations available
  • NiTi AC Wire: Nitinol™ filled with alternate materials for conductivity, radiopacity, etc.

Sheet:

  • Thickness down to 0.018mm (0.007in)
  • Width of about 25 to 100mm (1in to 4in)

  • Aluminum Magnesium plate, alloy 5052, 2.29mm (0.090in) thick
  • Devarda's Alloy, granular
  • Gold Beryllium pieces, 99.9% (metals basis)
  • Misch Metal, 99.0% min. rare earth content
  • Nickel Iron Molybdenum flake, -200 mesh
  • Nitinol compression coil spring, wire diameter 1.0mm (0.039in), mean coil diameter 7.0mm (0.27in), Alloy M
  • Nitinol compression coil spring, wire diameter 1.0mm (0.039in), mean coil diameter 7.0mm (0.28in), Alloy M
  • Nitinol foil, 0.025mm (0.001in) thick, shape memory, flat annealed, pickled surface
  • Nitinol foil, 0.05mm (0.002in) thick, shape memory, flat annealed, pickled surface
  • Nitinol foil, 0.05mm (0.002in) thick, superelastic, flat annealed, pickled surface
  • Nitinol foil, 0.127mm (0.005in) thick, shape memory, flat annealed, pickled surface
  • Nitinol foil, 0.127mm (0.005in) thick, superelastic, flat annealed, pickled surface
  • Nitinol foil, 0.25mm (0.01in) thick, superelastic, flat annealed, pickled surface
  • Nitinol foil, 0.38mm (0.015in) thick, superelastic, flat annealed,pickled surface
  • Nitinol tension coil spring, wire diameter 0.75mm (0.030in), mean coil diameter 5.55mm (0.22in), Alloy M
  • Nitinol tubing, 0.584mm (0.023in) OD, 0.33mm (0.013in) ID, superelastic, Alloy S, straight annealed, oxide surface
  • Nitinol wire, 0.25mm (0.01in) dia, superelastic, Alloy N, straight annealed, oxide surface
  • Nitinol wire, 0.33mm (0.013in) dia, superelastic, Alloy N, straight annealed, oxide surface
  • Nitinol wire, 0.41mm (0.016in) dia, superelastic, Alloy N, straight annealed, oxide surface
  • Nitinol wire, 0.58mm (0.023in) dia, superelastic, Alloy N, straight annealed, oxide surface
  • Nitinol wire, 0.5mm (0.02in) dia, superelastic, Alloy N, straight annealed, oxide surface
  • Nitinol wire, 1.0mm (0.039in) dia, shape memory, Alloy M, straight annealed, oxide surface
  • Nitinol wire, 1.0mm (0.039in) dia, superelastic, Alloy N, straight annealed, oxide surface
  • Platinum 30 wt% Rhodium wire, 0.33mm (0.013in) dia, ISA Type B Standard Grade Thermocouple
  • Stainless Steel powder, -325 mesh, Type 430-L
  • Stainless Steel powder, APS 15 micron, Type 430-L

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