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Nitinol can be used as a shape memory alloy. This is a unique alloy that has the ability to automatically return its plastic deformation back to the original shape when heated up. It also exhibits good plasticity.
Apart from their unique shape memory feature, memory alloys offer excellent properties such as corrosion resistance, wear resistance, and high damping.
1.What Is the Performance of Nitinol The name nickel-titanium alloy powder refers to a binary powder that is made up of titanium and nickel. Two crystal phases are formed by temperature and pressure changes. These two crystals can be identified as austenite or martensite. It is called parent phase, R phase and martensite phases in the nickel-titanium alloy cooling phase. The R phase, which is rhombohedral and austenite when it is heated or is under load, is hard. This shape is very stable. Martensite is stable at low temperatures and under loading. The hexagonal structure of the martensite phase is very ductile.
2.What are the special properties of Nitinols? Form memory properties: Form memory refers to when the parent phase of an object is subcooled to below Mf temperature. The martensite then is heated below Mf and deformed. It will restore the material’s original form in its parent phase.
Superelasticity A phenomenon known as superelasticity is when a sample creates a strain that exceeds its elastic limit under external forces. The strain then can recover automatically when it’s unloaded. Sensitivity of orthodontic wires made from stainless steel and CoCr alloy is not affected.
The corrosion resistance of Nickel-Titanium Wire: Research has shown that it is comparable to the resistance to corrosion of stainless steel.
Antitoxicity. Nitinol is an atomic atom alloy like Nitinol. This alloy contains approximately 50% nickel and is thought to be carcinogenic.
Gentle orthodontic power: currently commercially used orthopedic wires include austenitic stainless steel wires, cobalt-chromium-nickel alloy wires, nickel-chromium alloy wires, Australian alloy wires, gold alloy wires and nickel-titanium alloy wires. High shock absorption: More vibrations from chewing, night molars and other activities can cause damage to the roots and periodontal tissue.
Lempotee Tech Co., Ltd. is a professional nitinol powder company with over 12 year experience in chemical product development and research. Send an inquiry if you need high-quality Nitinol Pulver.