nitinol
alloy
percentage of each element that makes nitinol
nickle-35-60
titanium-20-50
http://www.nitinol.com/media/files/3_4_4_Document_Downloads_MSDS_v1.pdf
how was nitinol discovered
discovered the SMA effect in an alloy of nickel and titanium.
how is nitinol created
- Vacuum Arc Remelting: This is done by striking an electrical arc between the raw material and a water-cooled copper strike plate. Melting is done in a high vacuum, and the mold itself is water-cooled copper, so no carbon is introduced during melting.
- Vacuum Induction Melting: This is done by using alternating magnetic fields to heat the raw materials in a crucible (generally carbon). This is also done in a high vacuum, but carbon is introduced during the process.
- https://en.wikipedia.org/wiki/Nickel_titanium
how much does nitinol cost
Nitinol wire, ($20 to $30 per meter)
http://www.instructables.com/id/How-'][p.;m-Memory-Wire-Nitinol/
3 physical properties of nitinol are
Melting Point (F o ): 2500-2700
Specific Gravity (H2)=1) : 6.9
Appearance and Odor : Metallic gray in color, no odor.
http://modortho.com/catalog/view/theme/default/pdf/msds/Nitinol.pdf
3 chemical properties of nitinol are
Flammable Limits : N/A
Flash Point (Fo ): N/A
Extinguishing Media: Use dry powder extinguishing agent
http://modortho.com/catalog/view/theme/default/pdf/msds/Nitinol.pdf
what the alloy is used for
nitinol was in fighter jets and used for medical purposes
http://www.rsc.org/chemistryworld/2013/10/nitinol-nickel-titanium-shape-memory-alloy
one interesting fact about nitinol is
when nitinol is heated it takes its original shape
http://www.rsc.org/chemistryworld/2013/10/nitinol-nickel-titanium-shape-memory-alloy