Nitinol Drive Wire is a drive wire made of Nickel-titanium alloy. What makes it special is its shape memory properties, which means it can automatically switch between different shapes by heating and cooling. These properties make it useful in fields such as medical devices and aerospace, for example, for catheter manipulation in heart surgery or for adjusting the position of antennas in satellites.
1. Physical Properties
Density: 6.45 g/cm³
Melting point: 1310°C
Elastic modulus: 76 GPa
Tensile strength: 550 MPa
Coefficient of thermal expansion: 11.5 x 10^-6/°C (in the range of normal temperature -100°C)
2. Chemical Composition
Nickel (Ni) content is 55-60%
Titanium (Ti) content is 40-45%
3. Working principle
Nitinol drive wire (also known as memory alloy drive wire) is usually a metal wire made of nickel-titanium alloy, named for its memory function of restoring shape. The working principle of the Nitinol driver line is based on the memory effect it exhibits when the temperature changes. Specifically, when a Nitinol driver wire is heated, it undergoes a phase transition, returning to its preset shape and length. This shape-restoring motion can be used to push or pull other components, enabling motion control and position adjustment in mechanical and electronic devices.
4. Nitinol Advantage
Nitinol driver lines offer many advantages, including the following:
1) Shape memory: Nitinol driver wire has a property called shape memory alloy, which can automatically restore its original shape, which means that after using Nitinol driver wire, the wire can automatically return to its original shape, reducing the cost of maintenance and replacement wire.
2) LIGHTWEIGHT AND DURABLE: Nitnol driver wires are made from a lightweight and durable alloy that can perform in extreme environments, resist high temperatures, and resist corrosion, so they can be used in many different applications.
3) Low energy consumption: Since the Nitinol drive wire is an alloy with shape memory, it can use very little energy to control and change its shape, which can greatly reduce the energy consumption of the device.
4) Ease of control: Nitnol drive wires are highly controllable, and can be changed by adding different hardeners to the wire, or by heating and cooling the wire to change its modulus of elasticity to achieve different control ranges and performances.
As a result, Nitnol drive wire has become the material of choice for many medical devices, automotive, aerospace, machine building, and other industrial applications.
5. Application Fields
Nitinol (nickel-titanium alloy) drive wires are widely used in medical, aerospace, automotive industries, and other fields. The following are some common application areas:
1) Medical treatment: Nitinol driving wires are often used in medical devices such as surgical guide wires, vascular stents, and cardiac pacemakers. Due to its properties such as shape memory and superelasticity, it can be precisely positioned and manipulated inside the human body.
2) Aerospace: Nitinol drive wires can be used to control aircraft tails, attitude control, and other fields. Due to its properties such as lightweight, high strength, and good corrosion resistance, it can improve the performance and reliability of aircraft.
3) Automobile industry: It can be used in the manufacture of auto parts, such as valve springs, door hinges, etc. It can improve the safety and performance of automobiles due to its properties such as spark suppression, high-temperature stability, and long life.
In conclusion, Nitinol driver wires have a variety of unique characteristics and have broad application prospects in various application fields.
6. Package and Shipment
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