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(1) Anti-scale valve In home life, the shape memory valve is developed to prevent accidental burns in sinks, bathtubs and hot showers; These valves can also be used in hotels and other suitable places. If the water in the faucet reaches a high temperature and is prone to injury (approx. 48°C), the shape memory alloy drive valve will close and will not reopen until the water temperature drops to a safe temperature.
(2) Nitinel is comfortable and wearable on framed noses and ears, and its flexibility makes it widely used to change the world of eyewear fashion. Superelastic Nitinol wire is used as spectacle frame. The shape memory alloy wire can hold the lens by super elastic constant force even when the lens is expanding. These superelastic alloys have many deformability that ordinary frames do not provide.
(3) Another application of shape memory alloy is the use of ultra-elastic niti wire as a mobile phone antenna for mobile phone antenna and fire inspection valve. In the past, stainless steel antennas were often damaged by bending. Therefore, it is commonly used in the manufacture of cellular telephone antennas and fire inspection valves. In a fire, valves close automatically when local temperatures rise to prevent dangerous gases from entering. The advantage of this special design is that it can check the operation of the valve and then reset to a safe state. Fire check valves are used in semiconductor manufacturing and use toxic gases for diffusion. Fire check valves can also be used in chemical and petroleum plants.
