Shenzhen Wuge Industrial Co., Ltd

Nickel titanium memory alloy wire has been widely used in multiple fields due to its unique shape memory effect, superelasticity, and biocompatibility. The following are its main application scenarios:

1、 Medical field

The application of nickel titanium memory alloy wire in the medical field has attracted much attention due to its excellent biocompatibility and mechanical properties.

(1) Orthopedic fixation

Used for making internal fixators for fractures (such as bone nails and plates), utilizing the memory effect to restore the preset shape at body temperature, achieving precise fixation of the fracture site, reducing the stress shielding effect of traditional metal implants, and promoting bone healing.

Scoliosis correction rod: By utilizing the superelastic properties of memory alloy, it continuously and gently applies corrective force to improve spinal deformities.

(2) Department of Stomatology

Orthodontic wire: As an archwire for teeth correction, it utilizes its superelasticity and shape memory properties to provide sustained and gentle orthodontic force, reduce the number of follow-up visits, and improve correction efficiency (such as nickel titanium orthodontic wire, which has become a mainstream material).

Dental implant abutment connecting components: ensure stable connection between the implant and the crown, and adapt to the complex mechanical environment of the oral cavity.

(3) Vascular intervention device

Vascular stent: Compressed into a small diameter at low temperature, delivered to the diseased blood vessel through a catheter, expands and restores its shape at body temperature, supports the blood vessel wall, and treats arteriosclerosis, vascular stenosis, etc. (such as nickel titanium alloy stent, which has good flexibility and fatigue resistance).

Embolization coil: used to block abnormal blood vessels (such as aneurysms), the super elasticity of memory alloy allows it to tightly adhere to the wall of the vessel, reducing the risk of recurrence.

Nickel titanium memory alloy wire

2、 Aerospace and Industrial Fields

In the aerospace and industrial fields, nickel titanium memory alloy wires are mainly used in scenarios that require high reliability and adaptive capabilities.

(1) Aerospace structural connections

Fasteners: Used for automatic connection of aircraft components (such as cabin doors, wing seams), achieving rapid fastening through temperature triggered memory effect, reducing manual operation, and improving assembly efficiency.

Pipeline connector: used for sealing pipelines in high or low temperature environments in spacecraft, compensating for displacement caused by thermal expansion using memory effect to prevent leakage.

(2) Intelligent actuators and sensors

Robot joint drive: As a micro driving component, it drives joint motion through temperature changes, suitable for precision operation of micro robots or space probes.

Temperature triggered valve: In industrial pipelines, when the temperature reaches a threshold, the memory alloy wire drives the valve to automatically open or close, achieving temperature sensitive automatic control (such as safety protection devices in nuclear power plant cooling systems).

(3) Mechanical seal and shock resistance

Sealing ring for high-speed rotating machinery: Utilizing super elasticity to compensate for wear and vibration between the shaft and the seal, improving sealing performance and equipment lifespan.

Shock absorbers for bridges and buildings: By utilizing the energy dissipation properties of memory alloys, they absorb seismic or wind-induced energy and reduce structural vibration damage.

3、 In the field of electronics and communication

The application of nickel titanium memory alloy wire in the fields of electronics and communication reflects its advantages of miniaturization and intelligence.

(1) Flexible connection of electronic devices

Flexible Circuit Board (FPC) connector: Utilizing the elasticity and shape stability of memory alloys, it achieves reliable electrical connections for foldable electronic devices (such as foldable screen phones) and can withstand repeated bending.

Micro relay: triggered by temperature driven memory alloy wire to close contacts, used for micro electronic switches or sensors.

(2) Satellite antenna deployment mechanism

During satellite launch, the antenna is compressed and stored in a small space; After entering space, the temperature rise triggers the memory alloy wire to drive the antenna to unfold, forming a predetermined parabolic shape to ensure signal reception/transmission function.

(3) Fiber optic communication devices

Automatic alignment device for fiber optic connectors: utilizing the precise reset characteristics of memory alloys to ensure high-precision docking of fiber optic interfaces and reduce optical signal loss.

4、 Consumption and Daily Life

The application of nickel titanium memory alloy wire in the consumer field is close to daily life, improving product convenience and intelligence.

(1) Smart wearable devices

Adjustable strap: The memory alloy wire deformation is triggered by body temperature, automatically tightening or loosening the strap to adapt to different wrist sizes (such as the adaptive strap of a smartwatch).

Earphone cable memory hook: Keep the headphone cable in line with the shape of the ear, prevent it from falling off, and improve wearing comfort.

(2) Daily necessities

Glasses frame: Nickel titanium alloy temple has super elasticity, is not easily deformed or broken, and can adapt to the wearing needs of different face shapes (such as "memory glasses" which have become widely popular).

Children's toys and stationery: such as automatic reset toy joints and memory alloy spring pen clips, increase product fun and durability.

(3) Sports equipment

Shock absorption devices for skis and golf clubs: utilizing the shock absorption properties of memory alloys to reduce the impact of vibrations on the human body during exercise and improve athletic performance.

The application of nickel titanium memory alloy wire runs through multiple fields such as medical, industrial, electronic, and consumer. Its core advantages lie in shape memory effect (precise reset), super elasticity (large deformation without permanent damage), and biocompatibility (safe and non-toxic). With the advancement of material technology, its application scenarios are constantly expanding, such as exploring cutting-edge fields such as flexible robots and new energy equipment (such as adaptive thermal management systems). In the future, nickel titanium memory alloy wires are expected to play a more important role in intelligence, miniaturization, and biomedical engineering.