Products Description
Nitinol Memory Butterfly Intelligence Washer is a washer made of Nitinol alloy. Nitinol is a metal alloy composed of titanium and nickel. It has shape memory and super elastic properties. It can restore its preset shape after being heated or pressed. . This property makes it useful in many engineering and medical applications. In medical devices, Nitinol memory washers can be used to support blood vessels or other tissues, while in power engineering applications, it can be used in assemblies that require controlled shape changes. This gasket is typically manufactured in a variety of diameters and thicknesses to meet the needs of different applications. Let's discuss in detail the installation, working principle and application of Nitinol Memory Butterfly Intelligence Washer in power systems.
Product Details
1. The Brief Introduction of Nitinol Metal：
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Nitinol Standard ASTM F2063 |
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Name |
Grade |
Transformation Temperature AF |
Form |
Standard |
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Shape Memory Nitinol Alloy |
Ti-Ni-01 |
20 °C~ 40 °C |
Wire,Rod, Sheet, Tube,Spring,Bracelet, Ring , Paperclip e.t.c |
Customer specified or |
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Ti-Ni-02 |
45 °C~ 90 °C |
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Superelastic Nitinol Alloy |
TiNi-SS |
-5 °C~ 5 °C |
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Low Temperature Superelastic Nitinol Alloy |
TN3 |
-5°C~ -15°C |
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TNC |
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Medical Nitinol Alloy |
TiNi-SS |
33 ± 3 °C |
Wire, bar,Pipe |
ASTM F2063 |
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Narrow Hysteresis Nitinol Alloy |
Ti-Ni-Cu |
As-Ms ≤ 5 °C |
Wire, bar, |
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Wide Hysteresis Nitinol Alloy |
Ti-Ni-Fe |
As-Ms ≤ 150 °C |
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2. The Installation process of Nitinol Memory Butterfly Intelligence Washer in power system:
The most commonly used mechanical connection method for line connections and terminal blocks in power systems is bolting, and openings or disc spring washers are installed under the nuts to prevent loosening. However, because power connectors will creep over time in the use environment, the contact pressure of the connectors will decrease, the connectors will loosen, the contact resistance will increase, and "heating" will occur. In addition, factors such as vibration and oxidation corrosion will also accelerate the occurrence of loosening and heating.
3. The Energy-saving cooling and anti-loosening solution of Nitinol Memory Butterfly Intelligence Washer:
Energy-saving cooling and anti-loosening solution. Its core product - the anti-loosening cooling device, is made of new smart alloy materials. It will restore its memory shape as the temperature rises, exert pressure on the fastening system, and solve the problem of joint loosening. At the same time, due to The increased pressure reduces the contact resistance, thereby reducing heat generation, which will effectively inhibit the "vicious cycle" mentioned above; at the same time, the product's super corrosion resistance allows it to be used for a long time in various harsh environments, and it does not conduct Magnetic features can effectively reduce line losses.
4. The working principle of Nitinol Memory Butterfly Intelligence Washers in power systems involves the shape memory and superelastic properties of Nitinol memory alloy.
1). Shape memory properties: Nitinol alloy will undergo a phase transformation when experiencing a specific temperature change, thereby restoring its preset shape. In power systems, by controlling the temperature change around the Nitinol shape memory washer, the shape change of the washer can be triggered or controlled. For example, when Nitinol washers are heated, they return to their preset shape, allowing for adjustment of connectors or other functions.
2). Superelastic properties: In addition to shape memory, Nitinol alloy also has superelastic properties, that is, it can undergo large deformation when subjected to stress and return to its original shape after the stress is removed. In power systems, Nitinol Memory Butterfly Intelligence Washer can be used as an actuator or connector to control or adjust the system by triggering its shape change by applying mechanical stress.
In summary, the working principle of Nitinol Memory Butterfly Intelligence Washer in power systems is mainly based on the shape memory and superelastic properties of Nitinol alloy. It triggers changes in its shape by controlling temperature changes or stress, thereby achieving system adjustment, control or Function.
5. The Application of Nitinol Memory Butterfly Intelligence Washer:
Nitinol Memory Butterfly Intelligence Washer has a variety of applications in power systems. They can be used as connections and components, and in some special cases as sensors and actuators. Here are some possible applications:
1). Connectors and components:
It can be used as a connector, such as in power systems to connect wires, cables or electronic devices. These gaskets can adjust their shape in response to temperature changes or mechanical stress, thereby providing a secure connection or compensating for stress caused by thermal expansion and contraction, helping to improve system reliability and stability.
2). Temperature sensor:
It can be used as a temperature sensor in power systems. Because Nitinol alloy is temperature sensitive, temperature changes can be detected by virtue of its shape-changing properties. These gaskets can be designed to change shape at specific temperatures, thereby indicating whether the system has reached a specific temperature threshold so that the temperature of the system can be monitored and controlled.
3). Actuator:
It can also be used as an actuator in some power system components that need to control shape changes. By controlling their temperature or stress, these gaskets can be made to change shape to control switches, valves or other mechanical components of the system.
In general, The application of Nitinol Memory Butterfly Intelligence Washer in power systems mainly lies in its shape memory and superelastic properties, as well as its ability to be sensitive to temperature and stress, making it a multifunctional material that helps To improve the reliability and performance of power systems.
6. FAQ Of Nitinol Memory Alloy:
Everything You Need to Know
Q1: How to shape nitinol alloy?
A1: Nitinol alloy is a smart material with memory effect, which can change its shape under the influence of external temperature, mechanical stress and other factors, and can restore its original shape under certain conditions. Its setting method mainly uses heat setting technology, and the specific steps are as follows:
- The nitinol alloy is heated to a specific temperature, usually the transition temperature from the A phase to the M phase of the nitinol alloy, which is usually between 500-600°C. Keeping it at this temperature for a certain period of time causes the crystal structure to change. Then quickly cool to room temperature to complete this step of the shaping process.
- After heat treatment, the nitinol alloy is placed into conical or spherical shaping molds or sets, which are placed in a heat processor. Keep it for a certain period of time to set the nitinol alloy in a specific shape.
- Remove the mold or kit, remove the nitinol alloy parts from the mold, and perform surface treatment and subsequent processing.
- The advantage of heat setting is that it can be customized into various complex shapes and will be fixed during the cooling process. However, this process may produce minor deformations and dimensional changes. In addition, nitinol alloys are easily oxidized during heat treatment, so care should be taken to protect the material from damage during treatment.
Q2: Why does nitinol alloy not deform when exposed to hot water?
A2: Nitinol is a binary alloy composed of nickel and titanium. Due to changes in temperature and mechanical pressure, there are two different crystal structure phases, namely the austenite phase and the martensite phase. The phase transformation sequence of nickel-titanium alloy when cooled is parent phase - R phase - martensite phase. The R phase is rhombic, and austenite is the state when the temperature is higher or when the load is removed. It is cubic and hard. The shape is relatively stable. The martensite phase is a state at relatively low temperature or under loading. It is hexagonal, ductile, repeatable, less stable, and easier to deform.
This makes nitinol alloy a shape memory alloy. Shape memory alloys are special alloys that can automatically restore their plastic deformation to their original shape at a specific temperature and have good plasticity.
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