Nitinol Shape Memory Alloy Wire
Diameter: 0.5 mm | Activation Temperature (Af): -10 to -15°C
Nitinol is a nickel-titanium shape memory alloy that undergoes a phase transformation in its crystal structure depending on temperature. When cooled from its high-temperature austenite phase to the low-temperature martensite phase, it changes shape and reverts back when heated above its activation temperature.
Applications
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Thermal and Electrical Actuators: Used in sensors, thermal valves for fluidics, and autofocus actuators in cameras.
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Biomedical Devices: Biocompatible, suitable for orthopedic implants, catheters, orthodontic brackets and wires, and neurovascular procedures like stroke thrombolysis.
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Stents: Collapsible for insertion into arteries or veins, expanding at body temperature to restore blood flow.
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Structural Engineering: Superelastic Nitinol wires in concrete detect and indicate cracks, providing early warning in bridges and buildings.
Nitinol wire’s low-temperature activation, shape memory, and superelasticity make it versatile for medical, mechanical, and structural engineering applications.
