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

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Original title: How much do you know about such a great nickel-titanium alloy? NiTi alloy is a kind of shape memory alloy. Shape memory alloy is a special alloy which can automatically restore its original shape at a specific temperature after plastic deformation. Its expansion ratio is more than 20%, its fatigue life is up to the seventh power of 1 × 10, its damping characteristic is 10 times higher than that of ordinary springs, and its corrosion resistance is superior to that of the best medical stainless steel at present, so it can meet the needs of various engineering and medical applications, and it is a very excellent functional material. In addition to the unique shape memory function, shape memory alloy also has the excellent characteristics of wear resistance,Titanium welding pipe, 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,6al4v titanium bar, 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 ,titanium exhaust tubing, in the parent phase state, due to the external stress, the stress-induced martensite transformation occurs, so the alloy shows different mechanical behavior from ordinary materials, its elastic limit is far greater than that of ordinary materials, and it no longer obeys Hooke's law. Expand the full text 3. The good vibration and shock absorption characteristics of archwires are very important for the health of teeth,titanium plate gr7, 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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