Shape Memory Alloys

1
Shape Memory Alloys

• The Metals That Came from Outer Space
• By
• James Pritchett

2
History Of SMAs

• Discovered in 1932.
• By Chang and Read.
• In 1938, Brass (CuZn).
• In 1951, Gold Cadmium (AuCd).
• Not utilized until 1962.
• Buehler and co-workers discovered Nickel-Titanium
  (NiTi).

3
Types

• Types Of Shape Memory Alloys
• One-way Shape Memory Alloys
• Two-way Shape Memory Alloys
• Types Of Alloys
• NiTi
• Copper Based

4
Examples

• Aerospace and Naval Applications
• Medical
• Dentistry
• Tweezers
• Mobile Telephone
• Clothing

5
References

• Shape Memory Applications Inc. Shape Memory
  Alloys. Hodgson, Darel E. Ming H. Wu, Memory
  Technologies Robert J. Biermann, Harrison
  Alloys, Inc. http//www.sma-inc.com/SMAPaper.html
• Nickel-Titanium Shape Memory Alloys. Azom.com.
  http//www.azom.com/details.asp?articleID
• Shape Memory Alloys. TiNi Aerospace Inc
  lthttp//www.tiniaerospace.com/html/ShapeMemoryAllo
  ysgt