Product Overview
Nickel-Titanium (NiTi) Alloy, also known as Nitinol, is ashape memory alloy (SMA) with extraordinary properties, including shape memoryeffect, superelasticity, and excellent biocompatibility. This alloy is renownedfor its ability to undergo deformation at one temperature and return to itsoriginal shape when heated above its transformation temperature. NiTi is widelyused across various industries, particularly in medical devices, aerospace, andconsumer products, due to its unique mechanical properties and durability.
Product Features
Exceptional Shape Memory Effect:
After deformation, the alloy can recover its original shape when exposed to a specific temperature.
Suitable for applications requiring adaptive and flexible components.
Superelasticity:
Provides up to 8% strain recovery without permanent deformation,making it ideal for applications requiring flexibility and resilience.
High energy absorption capacity ensures durability under cyclic loading.
Excellent Corrosion Resistance:
Highly resistant to corrosion in saline, acidic, and biological environments.
Ensures long-term stability and performance in medical and marine applications.
Biocompatibility:
Safe for use in the human body, making it ideal for medical implants,stents, and orthodontic devices.
Minimizes the risk of allergic reactions compared to other metallic implants.
Applications
Medical Devices: Widely used in stents, guidewires, orthodontic braces, and minimally invasive surgical tools due to its biocompatibility and shape memory properties.
Aerospace and Defense: Ideal for adaptive structures, actuators, sensors,and vibration control systems where flexibility and reliability are crucial.
Consumer Electronics: Utilized in flexible antennas, frames, and other components requiring superelasticity and durability.
Automotive Industry: Applied in temperature-sensitive actuators, engine components, and exhaust systems to improve performance and efficiency.
Chemical Composition
Element | Ni | Ti |
Content (%) | 55 | 45 |
Mechanical Properties (Estimated)
Property | Value |
Transformation Temperature (°C) | -20 to +100 (depending on treatment) |
Tensile Strength (MPa) | ≥1000 |
Yield Strength (MPa) | ≥800 |
Elongation (%) | ≥10 |
Hardness (HV) | ≥300 |
Density (g/cm³) | 6.45 |
Product Specifications
Forms Available: Rods, Sheets, Tubes, Wires, and Strips
Diameter (Rods/Wires): 0.1mm - 30mm
Thickness (Sheets): 0.05mm - 5mm
Surface Finish: Polished, Ground, or as-drawn
Manufacturing Process
Produced using vacuum induction melting (VIM) followed by precision hot working and cold drawing to ensure uniform microstructure.
Heat-treated to optimize shape memory effect and superelastic properties tailored to specific applications.
Packaging and Delivery
Packaging: Individually sealed in anti-corrosion bags, securely packed in foam-lined boxes to prevent damage during transit.
Lead Time: Typically 2-4 weeks, depending on order volume and customization.