What is Nitinol Shape Memory Alloy Wire?

Nitinol Shape Memory Alloy Wire is a unique nickel-titanium (Ni-Ti) alloy known for its shape memory effect (SME) and superelasticity. This material can return to its original shape after deformation when exposed to heat, making it widely used in medical, aerospace, robotics, and industrial applications.

Chemical Properties and CAS Number

• Chemical Formula: Ni-Ti
• CAS Number: 10574-68-4
• Appearance: Silver or metallic wire
• Density: Approximately 6.45 g/cm³
• Melting Point: ~1,310°C
• Solubility: Insoluble in water, stable under atmospheric conditions
• Chemical Stability: High corrosion resistance, excellent fatigue resistance

Applications of Nitinol Shape Memory Alloy Wire

1. Medical and Biomedical Applications

Used in stents, guidewires, orthopedic implants, and dental braces due to its biocompatibility and shape memory effect.

2. Aerospace and High-Temperature Applications

Employed in actuators, satellite components, and aircraft control systems due to its superelasticity and lightweight properties.

3. Robotics and Smart Materials

Utilized in robotic actuators, sensors, and smart materials that require dynamic shape changes.

4. Industrial and Automotive Engineering

Applied in self-healing components, vibration dampers, and adaptive structures for enhanced mechanical performance.

5. Consumer Electronics and Wearables

Used in flexible eyeglass frames, foldable devices, and temperature-responsive materials for improved user experience.

6. Energy and Heat Recovery Systems

Integrated into heat engines, energy-efficient actuators, and adaptive heat exchangers to improve energy utilization.

Pricing of Nitinol Shape Memory Alloy Wire

Prices vary based on composition, diameter, treatment, and industry-specific applications:

• Industrial Grade: Typically ranges from $50 – $300 per meter
• High-Purity/Specialized Grade: Prices range from $500 – $2,500 per meter, used in advanced medical, aerospace, and robotics applications.

Factors Influencing Nitinol Wire Prices

• Purity level and composition
• Diameter and wire thickness
• Processing complexity and treatment method
• Bulk order volume and market demand

Conclusion

Nitinol Shape Memory Alloy Wire is a high-performance material used in medical, aerospace, robotics, and industrial applications. Its unique shape memory effect, superelasticity, and corrosion resistance make it essential for next-generation engineering and scientific advancements. Pricing depends on purity, wire specifications, and intended use.