Products Description
Nitinol flat wire is a shape memory alloy material composed of nickel and titanium. Shape memory alloy is a special alloy that can automatically restore its own plastic deformation to its original shape at a specific temperature. Its expansion rate is more than 20%, its fatigue life reaches 1*10 to the 7th power, and its damping characteristics are 10 times higher than ordinary springs. It is a very excellent functional material.
Products parameters
Main performance
|
Product |
Unit |
Numerical Value |
|
|
Density |
g/cm3 |
6.4~6.5 |
|
|
Melting Point |
℃ |
1310 |
|
|
Elastic Modulus |
Martensite |
GPa |
28~41 |
|
Austenite |
GPa |
83 |
|
|
Hardness |
Martensite |
HV |
180~200 |
|
Austenite |
HV |
200~350 |
|
|
tensile strength |
Annealed state |
MPa |
650 |
|
Processing state |
MPa |
1500 |
|
|
Yield Strength |
Martensite |
MPa |
70~140 |
|
Austenite |
MPa |
195~690 |
|
|
Elongation |
Annealed state |
% |
15~50 |
|
Processing state |
% |
5~10 |
|
|
Phase Change Temperature |
℃ |
-100~130 |
|
|
Maximum Recovery Strain |
% |
8 |
|
|
Maximum Recovery Stress |
MPa |
600 |
|
Dimensions and tolerances
|
Flat wire size and thickness tolerance (V: width to thickness ratio, T: flat wire thickness) |
||
|
aspect ratio |
Thickness size/mm |
Thickness tolerance/mm |
|
2<≤7 |
0.025≤T≤0.05 |
±0.005 |
|
0.050≤T≤0.80 |
±0.1T |
|
|
Flat wire size and width tolerance (V: width to thickness ratio, W: flat wire width) |
||
|
aspect ratio |
Width size/mm |
Width tolerance/mm |
|
2<≤7 |
0.1≤W≤2.5 |
±0.1W |
|
0.076≤W<0.1 |
±0.01 |
|
Products characteristics
It has the following main characteristics:
- Shape memory effect:
It has the function of shape memory under external influence and can restore the preset shape.
-Superelasticity:
It has a huge elastic deformation range and can return to its original state after processing deformation.
- Corrosion resistance:
It has good corrosion resistance and is suitable for use in highly corrosive environments.
- Biocompatibility:
Suitable for medical device applications and can achieve good biocompatibility in the human body.
Products application
APPLICATION
Orthodontic wires:
Used in dentistry to straighten teeth.
Stents:
Used to keep arteries and veins open after angioplasty.
Eyeglasses:
Frames made of nickel-titanium memory alloy flat strips are flexible and durable, making them ideal for eyeglasses.
Seismic Dampers:
These devices made from flat strips of nickel-titanium memory alloy are used to absorb shock and reduce the impact of earthquakes on buildings and structures.
Aerospace industry:
used in aircraft components such as fuel injection systems and hydraulic actuators.
Robotics:
used to build robotic arms and grippers.
Biomedical implants:
For implantation into the human body.
Clothing:
Can change shape based on temperature, ideal for outdoor use and sportswear.
Production process
The production process of nickel-titanium alloy flat wire usually goes through the following steps:
Raw material preparation:
Accurately weigh and mix nickel and titanium raw materials, and mix according to the required composition ratio of the alloy.
Alloy melting:
The mixed raw materials are subjected to arc melting or induction melting in a vacuum or inert atmosphere to form a uniform alloy liquid.
Ingot casting:
The molten alloy liquid is cast into an ingot and formed after solidification.
Hot rolling:
The formed ingot is preliminarily shaped by hot rolling to make it into a strip or rectangular flat wire.
Cold rolling and drawing:
Through cold rolling and drawing, multiple passes of plastic processing are performed in sequence, and the thickness and width are gradually reduced to produce nickel-titanium alloy flat wires of the required specifications.
Heat treatment:
The produced nickel-titanium alloy flat wire is subjected to solution treatment and aging treatment to obtain superelasticity and shape memory properties.
packing delivery
Nitinol flat wire is usually packaged in plastic, moisture-proof paper or vacuum packaging to avoid moisture and rust. During transportation, care should be taken to load and unload lightly to avoid impact and extrusion deformation, and to avoid contact with acidic and alkaline substances. For large quantities of goods, wooden pallets or cartons are usually used to ensure safe transportation.
ehisen
who we are?
Established in 2004, Baoji Yihaixin Metal Materials Co., Ltd. The study and development of premium metal materials, metal material forming and machining techniques, and the creation of precious metal insoluble anodes are its primary areas of concentration. It is a sophisticated business that produces high-end goods.
In order to process metal plates, strips, and pipes, the company currently possesses rolling, heat-treating, stamping, continuous forming, welding, processing centers, and related testing equipment. It has progressively grown into a whole business that integrates R&D, production, and sales after years of development.
high quality
Advanced Equipment
Professional Team
One-Stop Solution
related product
Related Product
Nitinol Strip
Nitinol Spring
Nitinol Plate
Nitinol Bar
Service
Our Service Processes
Pre-sales Consultancy
1
>>
Confirmation of order
2
>>
Production
3
>>
Multi-Channel Shipping
4
>>
Confirmation of receives
5
>>
After-sale Services
6
FAQ
do you have any question?
1. What metal materials does your company provide?
Our company provides all kinds of metal materials, including but not limited to steel, aluminum, copper, titanium, nickel, zinc and so on. Specific products and specifications can be found in our product catalogue.
2. What's the quality of your metal materials?
Our company attaches great importance to product quality, and all metal materials have undergone strict quality inspection to ensure compliance with relevant international standards and customer requirements.
3. Can you provide customized metal materials?
Yes, we can provide customized metal materials according to customers' specific needs, including different sizes, shapes, materials and surface treatments.
4. How is your after-sales service?
Our company provides comprehensive after-sales service, including product quality assurance, technical support and maintenance services. If customers encounter any problems when using our products, we will respond in time and provide solutions.
FAQ
01.What is Nitinol flat wire, and what are its key properties?
02.What industries use Nitinol flat wire?
Nitinol flat wire is used across several industries due to its unique mechanical properties. Some common applications include:
Medical Industry: Used in orthodontic wires, stents, and other medical devices that require flexibility and shape recovery.
Aerospace and Robotics: Used in actuators and systems that need to change shape in response to temperature changes.
Eyewear: Used in the manufacturing of eyeglass frames for flexibility and durability.
Automotive: In sensors and actuators that need flexibility under various conditions.
Consumer Electronics: For small, precise components that require shape memory effects.
03.Can Nitinol flat wire be welded or joined?
04.What is the cost of Nitinol flat wire?
The cost of Nitinol flat wire can vary depending on several factors, including:
Material Composition: The specific nickel-to-titanium ratio and any additional alloying elements may affect the price.
Size and Dimensions: Larger or thicker wires tend to be more expensive than smaller gauges.
Processing: Additional processing steps, such as heat treatment or customization, can increase the cost.
Supplier: Pricing may vary between suppliers, and bulk orders can often result in lower per-unit costs.
Though Nitinol is generally more expensive than materials like stainless steel, its unique properties often justify the price for specialized applications.
05.How should Nitinol flat wire be stored?
Proper storage is essential to maintain the quality of Nitinol flat wire:
Humidity Control: Store the wire in a dry environment to prevent oxidation or corrosion.
Temperature: Keep the wire at room temperature, avoiding extreme heat or cold that may affect its properties.
Protection from Contamination: Ensure the wire is stored in clean, protective packaging to avoid exposure to dirt, oils, or chemicals that may impact its performance.
Avoid Mechanical Stress: Nitinol wire should be stored in a way that prevents unnecessary deformation or stress on the material.
06.How is Nitinol flat wire processed and fabricated?
Nitinol flat wire undergoes several processes during fabrication:
Cold Working: Nitinol is often cold-rolled or drawn into wire, which helps achieve the desired dimensions and surface finish.
Heat Treatment: After cold working, the wire is heat-treated to set the transformation temperature and enhance its shape memory and superelastic properties.
Cutting and Shaping: Nitinol flat wire can be cut into precise lengths or shaped into custom forms based on the application.
Surface Treatment: In some cases, the wire is coated or treated to improve surface quality or resistance to corrosion.
contact us
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+86 18700703333 Elsa lin
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