for more downloads visit www.mechanical-online.com

1. Shape Memory AlloysShape Memory Alloys
Nickel TitaniumNickel Titanium

2. Shape Memory AlloysShape Memory Alloys
Metals that remember their original shapeMetals that remember their original shape
First observed by Chang and Read in 1932First observed by Chang and Read in 1932
Shape memory effect observed in 1951Shape memory effect observed in 1951
NiTi discovered by William J. Buehler inNiTi discovered by William J. Buehler in
19611961

3. Nickel TitaniumNickel Titanium
Discovered at NavalDiscovered at Naval
Ordnance LaboratoryOrdnance Laboratory
Most common type ofMost common type of
shape memory alloyshape memory alloy
Two solid phasesTwo solid phases

Martensite phaseMartensite phase

Austensite phaseAustensite phase

4. Current ApplicationsCurrent Applications
MedicalMedical

TweezersTweezers

Orthodontic wireOrthodontic wire

Eye glass framesEye glass frames
SafetySafety

Anti-scaldingAnti-scalding
devicesdevices

fire-sprinklersfire-sprinklers
MiscellaneousMiscellaneous

AppliancesAppliances

ClothingClothing

StructuresStructures

MicromanipulatorsMicromanipulators

Robotic actuatorsRobotic actuators

5. Future ApplicationsFuture Applications
Engines in cars and airplanesEngines in cars and airplanes
Car framesCar frames
Engine coolingEngine cooling
CarburetorCarburetor
Engine lubrication controlsEngine lubrication controls

6. Future ApplicationsFuture Applications
Engines in cars and airplanesEngines in cars and airplanes
Car framesCar frames
Engine coolingEngine cooling
CarburetorCarburetor
Engine lubrication controlsEngine lubrication controls