Nickel-Titanium Shape Memory Alloys Wires

 Nickel-Titanium Shape Memory Alloys Wires  

• Shape Memory Alloys Description:

The term Shape Memory Alloys (SMA) is applied to that group of metallic materials that demonstrate the ability to return to some previously defined shape or size when subjected to the appropriate thermal procedure. Generally, these materials can be plastically deformed at some relatively low temperature, and upon exposure to some higher temperature will return to their shape prior to the deformation.

• Alloys Having A Shape Memory Effect:

  c) Ag-Cd 44/49 at.% Cd
  d) Au-Cd 46.5/50 at.% Cd
  e) Cu-Al-Ni 14/14.5 wt.% Al and 3/4.5 wt.% Ni
  f) Cu-Sn approx. 15 at.% Sn
  g) Cu-Zn 38.5/41.5 wt.% Zn
  h) Cu-Zn-X (X = Si,Sn,Al) a few wt.% of X
  i) In-Ti 18/23 at.% Ti
  j) Ni-Al 36/38 at.% Al
  k) Ni-Ti 49/51 at.% Ni
  l) Fe-Pt approx. 25 at.% Pt
  m) Mn-Cu 5/35 at.% Cu
  n) Fe-Mn-Si
  o) Pt alloys
   

• Commercial Shape Memory Alloys:

a) Nickel-titanium alloys

b) Copper-base alloys such as CuZnAl and CuAlNi

• Shape Memory Alloys Physical Properties Available:

Strip, ribbon, sheet, wire, & tube

•  

  Shape Memory Alloys Typical Applications:

a) Superelastic Devices

b) Shape Memory Actuation Devices

c) Martensitic Devices

d) Medical implants (Pt alloys)

1.Application:cell phone antenna, children's toys, glasses leg, women bra, experimental materials, Women’Sports Central, arch wires, instruments, and medical equipment, such as surgical stitching wire, birth control loop and other areas of high-quality memory alloy wire

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Keywords

• Nitinol;
• Medical;
• Interventional radiology;
• Fatigue;
• Biocompatibility