Nitinol Shape Memory Alloy Wire
Product Overview
The Nitinol Shape Memory Alloy Wire with a diameter of 1 mm and an austenite finish temperature (AF) of 45–50°C is a high-performance material combining exceptional shape memory and superelastic properties. This wire is engineered for applications requiring precise adaptability, durability, and temperature responsiveness in diverse industries.
Key Features
- Shape Memory Effect:
- Recovers its original shape upon heating above the transformation temperature (AF: 45–50°C).
- Ideal for applications requiring controlled, temperature-dependent actuation.
- Superelasticity:
- Allows significant deformation with full recovery, reducing permanent strain in dynamic applications.
- High Strength and Flexibility:
- Combines excellent tensile strength with the ability to withstand repeated mechanical stress.
- Biocompatibility:
- Safe for use in medical applications, including implants and surgical tools.
- Corrosion Resistance:
- Performs reliably in harsh environments, including moisture-rich and chemically reactive conditions.
Applications
- Medical Field:
- Orthodontics: Used in archwires for gradual and precise teeth alignment.
- Surgical Tools: Adaptive tools for minimally invasive procedures.
- Stents: Shape memory property allows for easy deployment and temperature-controlled expansion.
- Aerospace and Defense:
- Actuators and adaptive systems for vibration control and thermal regulation.
- Lightweight, high-strength components for aircraft and spacecraft.
- Automotive:
- Thermal management systems and actuators in advanced vehicle designs.
- Components for crash sensors and safety mechanisms.
- Robotics:
- Used in robotic actuators for smooth and controlled movement.
- Essential for soft robotics and adaptive devices.
- Consumer Products:
- Flexible eyeglass frames and wearable devices.
- Actuation systems in home automation and appliances.
- Energy Sector:
- Used in energy-efficient systems, such as thermal engines and renewable energy solutions.
Technical Specifications
- Material Type: Nitinol (Nickel-Titanium Alloy)
- Diameter: 1 mm
- Austenite Finish Temperature (AF): 45–50°C
- Composition:
- Nickel (Ni): ~55% (by weight)
- Titanium (Ti): ~45% (by weight)
- Tensile Strength: [Insert value, e.g., ~1,000 MPa]
- Elongation at Break: [Insert value, e.g., ~10%]
- Density: ~6.45 g/cm³
- Thermal Conductivity: [Insert value, e.g., ~18 W/m·K]
- Electrical Resistivity: [Insert value, if applicable, e.g., ~80–100 µΩ·cm]
Processing Guidelines
- Shape Setting:
- Heat to ~450–550°C while maintaining the desired shape, then quench rapidly in water or air.
- Cutting and Forming:
- Use precision tools to avoid damaging the surface or introducing stress.
- Minimize sharp bends to prevent structural weakening.
- Surface Preparation:
- Polishing or coating may be applied for enhanced corrosion resistance or application-specific requirements.
- Storage:
- Store in a clean, dry environment away from direct sunlight to maintain material integrity.
Current Research and Trends
- Biomedical Advances:
- Ongoing development of patient-specific implants and adaptive surgical tools.
- Robotic Systems:
- Integration of Nitinol wires into soft robotics for dynamic and precise actuation.
- Aerospace Innovations:
- Lightweight, adaptive materials for advanced thermal and structural components.
- Renewable Energy:
- Use in thermal engines and energy recovery systems.
Advantages of the Nitinol Shape Memory Alloy Wire
- Precise Temperature Responsiveness: Consistent activation at 45–50°C ensures reliable performance.
- Versatility: Applicable across medical, industrial, and consumer product sectors.
- Durability: High resistance to fatigue and environmental stress.
- Biocompatibility: Suitable for long-term use in medical and healthcare applications.