Why Ni-Ti alloy powder can be widely used in aerospace?
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Author : Lzh
Update time : 2023-02-02 15:31:02
What nickel titanium alloy powder NiTi alloy powder is a special alloy that can automatically restore its plastic deformation to its original shape at a specific temperature. It can meet the needs of various engineering and medical applications and is a very excellent functional material. In addition to its unique shape memory function, memory alloys have excellent characteristics such as wear resistance, corrosion resistance, high damping and super elasticity. As the name implies, nickel-titanium alloys are binary alloys composed of nickel and titanium. Due to changes in temperature and mechanical pressure, there are two different crystal structural phases: austenite and martensite. During cooling, nickel-titanium alloy's transformation sequence is the parent phase - R phase - martensite phase.
Special properties of ni ti alloy powder The so-called superelasticity refers to the phenomenon that the specimen produces a strain far greater than its elastic limit strain under the action of external force, and the strain can recover automatically when unloading. In the parent phase state, due to external stress, stress-induced martensite transformation occurs, so the alloy shows a mechanical behaviour different from that of ordinary materials. Its elastic limit is far greater than that of ordinary materials, And Hooke's Law is no longer obeyed. Compared with shape memory characteristics, hyperelasticity does not involve heat. Hyperelasticity means that the stress does not increase with the increase of strain within a certain deformation range; Hyperelasticity can be divided into linear hyperelasticity and nonlinear hyperelasticity. The former has a nearly linear relationship between stress and strain in the stress-strain curve. Nonlinear hyperelasticity refers to the results of stress-induced martensitic transformation and its reverse transformation, respectively, during loading and unloading in a certain temperature range above Af. Therefore, nonlinear hyperelasticity is also called transformation pseudoelasticity; When C is above, hyperelasticity begins to decline.
Clinical application of nickel titanium alloy wire It is used for the early alignment and levelling of patients' dentition. Due to the super elasticity, shape memory performance and low stress-strain curve of nickel-titanium alloy archwire, nickel-titanium alloy archwire is routinely used as the archwire that is initially included in the orthodontic system in clinical practice, so the discomfort of patients will be greatly reduced. Since there are several different straight-wire orthodontic technologies, MBT technology recommends using 0.016 inches hot activated nickel-titanium alloy archwire (HANT wire), DEMON self-locking bracket technology recommends the use of copper-containing thermally activated nickel-titanium alloy archwire produced by Omcro (phase transition temperature is about 40 degrees). O-PAK correction technology recommends using 0.016-inch super elastic nickel-titanium alloy archwire for early alignment and levelling.
Classification of nickel titanium alloy wires Evans and Durning classification Gradedthermodynamic: The TTR temperature is about 40 ℃ higher than the oral temperature. In this way, when the nickel titanium arch wire is placed in the oral cavity, it is still in a multi-element state. The arch wire is relatively soft. When the mouth contains hot water, there is austenite transformation. Therefore, the corrective force is weaker, It can be used as the initial arch wire for adult patients and periodontal patients. The copper nickel titanium wire produced by Omcro Company and the Japanese low hysteresis L-H nickel titanium arch wire have such properties
Price of nickel titanium alloy powder Nickel titanium alloy powder particle size and purity will affect the product's price, and the purchase volume can also affect the cost of nickel titanium alloy powder. A large amount of large amount will be lower. The price of nickel titanium alloy powder can be found on our company's official website.
Nickel titanium alloy powder supplier Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) Luoyang City, Henan Province, China, is a reliable and high-quality global chemical material supplier and manufacturer. It has more than 12 years of experience providing ultra-high quality chemicals and nanotechnology materials, including nickel titanium alloy powder, nitride powder, graphite powder, sulfide powder, and 3D printing powder. If you are looking for high-quality and cost-effective nickel titanium alloy powder, you are welcome tocontact us or inquire any time.
