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How much do you know about such a great nickel-titanium alloy? Emploi Plein temps

28 nov. 2022 à 2h12   Ingénierie   Saint-Louis   80 vues Référence: 80
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In addition to the unique shape memory function, shape memory alloy also has the excellent characteristics of wear resistance, corrosion resistance, high damping and superelasticity. Now, let's summarize the seven special properties of nickel-titanium alloys: 1. Shape memory characteristics: Shape memory is that when the parent phase of a certain shape is cooled from above Af temperature to below Mf temperature to form martensite, the martensite is deformed below Mf temperature, and then heated to below Af temperature, accompanied by reverse phase transformation, the material will automatically restore its shape in the parent phase. In fact, the shape memory effect is a thermally induced phase transformation process in NiTi alloys. 2. Hyperelasticity: The so-called hyperelasticity refers to the phenomenon that the sample produces a strain far greater than the elastic limit strain under the action of external force, and the strain can be automatically restored when unloaded. That is to say, nickel titanium wire ,  Through the study on the attenuation experiment of different archwires, it is found that the vibration amplitude of stainless steel wire is larger than that of superelastic nickel-titanium wire, and the initial vibration amplitude of superelastic nickel-titanium archwire is only half of that of stainless steel wire. The good vibration and shock absorption characteristics of archwires are very important for the health of teeth,titanium exhaust tubing, while traditional archwires, such as stainless steel wires, tend to aggravate root resorption. Global integrated service provider in the field of shape memory alloy temperature control Return to Sohu to see more Responsible Editor:. yunchtitanium.com

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