Huizhou Pengchengrui Technology Co., Ltd.

Room temperature nickel titanium alloy wire material (mainly composed of nickel and titanium, usually containing 55% nickel and 45% titanium) has shown irreplaceable application value in multiple fields due to its unique shape memory effect (restoring the preset shape after being triggered by temperature or stress) and super elasticity (producing elastic deformation far beyond ordinary metals under external force, fully restored after unloading), especially suitable for scenarios with high requirements for material deformation accuracy, biocompatibility, and corrosion resistance.

Shenzhen Wuge Industrial Co., Ltd. provides nickel titanium high-temperature alloys (such as nickel titanium copper high-temperature alloys) and nickel titanium room temperature alloys in the field of nickel titanium memory alloys. It is a supplier of nickel titanium alloy materials and wire pipes. The company has established its own factory building in Liandong U Valley of Huiyang Ecological Technology Innovation Park, which can customize alloy materials according to customer needs. The following is a summary of Wuge nickel titanium alloy, including the core application classification and specific application details of room temperature nickel titanium alloy wire materials:

1、 Medical and health field: core applications of biocompatibility and precise deformation

Medical is one of the most critical application areas for room temperature nickel titanium alloy wire materials. Its non-toxic, corrosion-resistant properties (forming a stable oxide film on the surface), and good compatibility with human tissues make it an ideal material for minimally invasive medical, orthopedic, dental, and other scenarios.

Minimally invasive interventional therapy: vascular stent wire, esophageal/biliary stent wire, aneurysm embolization coil;

Orthopedics and Rehabilitation: Scoliosis Correction Rod, Bone Fixation Plate/Screw, Joint Ligament Repair Wire, Dental Orthodontic Bow Wire;

Surgical instruments: laparoscopic surgical clip, hemostatic clip, tissue suture thread (ultra-fine nickel titanium wire).

2、 Electronics and Precision Manufacturing: Key Requirements for Small Deformation and Stability

In the fields of electronics, instrumentation, etc., the "precise deformation controllability" and "long-term stability" of room temperature nickel titanium alloy wire can solve the small driving, sealing, and sensing needs that traditional metals (such as copper and stainless steel) cannot meet.

1. Precision drive and control components

Micro valves/switches: such as fluid control valves in electronic devices and micro actuators in MEMS (Micro Electro Mechanical Systems), utilizing the shape memory effect of nickel titanium wire - shrinking when heated (or subjected to changes in ambient temperature), driving the valve to open and close, and returning to its original position after cooling off, achieving high-precision and low-power automatic control (such as printer inkjet control and micro pump drive).   

Connectors and Contacts: Used for precision electronic connectors (such as signal connectors in aerospace and semiconductor equipment), the super elasticity of nickel titanium wire ensures that the contacts continue to adhere under vibration and temperature fluctuations, avoiding poor contact and improving signal transmission stability.

2. Sensors and detectors

Temperature sensor: Using the shape memory effect of the "temperature deformation" correspondence relationship, nickel titanium wire will produce quantifiable deformation at a specific temperature. By detecting the amplitude of deformation, the ambient temperature can be inferred, making it suitable for high-temperature industrial environments, medical temperature monitoring and other scenarios (with an accuracy of ± 0.5 ℃).   

Stress/vibration sensor: Super elasticity causes a regular change in resistance of nickel titanium wire under stress (piezoresistive effect), which can be used to detect small structural vibrations (such as health monitoring of bridges and aircraft bodies) or stress states of precision equipment.

Closed loop temperature control structural components

3. Electronic component packaging and sealing

Sealing cover for chips and sensors: A "shape memory sealing ring" made of nickel titanium wire, which can be easily assembled at room temperature and returns to its preset circular shape after heating. It tightly adheres to the packaging interface, achieving high airtightness and preventing water vapor and dust from entering (especially suitable for harsh environments in automotive electronics and industrial sensors).

3、 Smart wearables and consumer electronics: innovative applications of flexibility and comfort

With the development of smart devices towards "lightweight and flexibility", the super elasticity and flexibility of room temperature nickel titanium alloy wire have become the design core, mainly used for structural support and shape adaptive components of wearable devices.

Smart Watch/Bracelet Strap: Some high-end wearable devices use nickel titanium alloy wire woven straps, which are both elastic (suitable for different wrist sizes) and sweat resistant (avoid traditional metal straps from rusting), and are not easily deformed when worn for a long time.   

Flexible screen support structure: The "hinge auxiliary wire" of foldable mobile phones and flexible displays uses super elastic buffering to reduce the stress during screen folding, avoiding cracks caused by repeated bending of the screen, while ensuring that the screen is flat and reset after folding (replacing traditional rigid metal sheets and reducing structural thickness).   

Smart glasses frame: The frame legs made of nickel titanium wire can withstand large bends (such as not easily breaking if accidentally dropped), and can automatically restore their original shape at room temperature, adapting to different face shapes and improving wearing comfort (especially suitable for children and sports scenes).

4、 Industry and Aerospace: Reliability Applications in Extreme Environments

In fields such as industrial manufacturing and aerospace that require extremely high "weather resistance and fatigue resistance" of materials, room temperature nickel titanium alloy wire is mainly used for adaptive structures and safety control components.

1. Industrial Automation and Robotics

Flexible mechanical gripper: The "finger thread" of the robot's end effector uses super elasticity to achieve "flexible gripping" of fragile items (such as glass, semiconductor wafers) - avoiding damage to workpieces by rigid grippers while providing stable gripping force, adapting to workpieces of different sizes (without frequent replacement of grippers).   

Pipeline cleaning/detection tool: A "flexible detection wire" made of nickel titanium wire, which can freely pass through curved pipelines (super elastic to adapt to pipeline curvature), carrying sensors to detect corrosion and blockage on the inner wall of pipelines, or driving micro cleaning devices (such as oil field pipelines and chemical pipeline maintenance).

industrial robot

2. Aerospace and Defense

Spacecraft deployment structure: The "deployment drive wire" for satellite antennas and solar panels - the antenna folds during launch (reducing the size of the spacecraft), and after entering space, it triggers the shape memory effect of the nickel titanium wire through heating (such as resistance wire heating), driving the antenna to deploy to the preset shape, achieving precise positioning (replacing traditional motor drive, reducing weight by more than 30%).   

Aircraft engine safety components: the "overheat protection valve" of the engine fuel system. At room temperature, the nickel titanium wire keeps the valve open. When the engine temperature exceeds a threshold, the nickel titanium wire contracts to drive the valve to close, cutting off the fuel supply and preventing overheating faults.   

Parachute opener: Utilizing the shape memory effect of the "parachute opening trigger wire", the parachute is locked at room temperature. When the preset height (temperature/pressure change) is reached, the nickel titanium wire restores its shape and unlocks, ensuring precise parachute opening.

5、 Other niche areas: extension of functional innovation

Textile and clothing: Some outdoor clothing and sportswear are made of a blend of nickel titanium alloy wire and fiber to create a "temperature controlled fabric" - it remains soft at room temperature, and when the body temperature rises, the deformation of the nickel titanium wire widens the gaps in the fabric, enhancing breathability and heat dissipation; When the body temperature drops, it restores a tight structure and locks in heat (such as ski clothes, hiking clothes).   

Toys and teaching aids: "Shape memory toys" (such as memory metal springs, wire materials that are bent and heated to restore shape), used to popularize the principle of shape memory effect or design transformable toys (such as transformable robots, folding models).

The application essence of room temperature nickel titanium alloy wire material is to "use shape memory effect to achieve 'precise deformation recovery', use superelasticity to achieve 'large deformation without damage'", combined with its biocompatibility and corrosion resistance, making it an "irreplaceable functional material" in medical, electronic, aerospace and other fields. With the advancement of material processing technology, such as ultra-fine wire manufacturing and surface modification, its applications are still extending to smaller (such as nanoscale medical robots) and more extreme (such as deep space exploration) scenarios.