10 results found for: “nitinol”.

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Nickel titanium

named according to the weight percentage of nickel; e.g., nitinol 55 and nitinol 60. Nitinol alloys exhibit two closely related and unique properties:...

Last Update: 2024-02-18T22:28:15Z Word Count : 5140

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Nitinol 60

NiTiNOL 60, or 60 NiTiNOL, is a Nickel Titanium alloy (nominally Ni-40wt% Ti) discovered in the late 1950s by the U. S. Naval Ordnance Laboratory (hence...

Last Update: 2024-03-21T03:56:21Z Word Count : 332

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Nitinol biocompatibility

Nitinol biocompatibility is an important factor in biomedical applications. Nitinol (NiTi), which is formed by alloying nickel and titanium (~ 50% Ni)...

Last Update: 2023-05-06T15:21:38Z Word Count : 1635

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R-Phase

The R-phase is a phase found in nitinol, a shape-memory alloy. It is a martensitic phase in nature, but is not the martensite that is responsible for...

Last Update: 2024-01-24T18:23:51Z Word Count : 1093

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Shape-memory alloy

typically with lower symmetry. For a monoclinic martensitic material such as Nitinol, the monoclinic phase has lower symmetry which is important as certain...

Last Update: 2024-01-07T22:23:01Z Word Count : 5966

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Frederick E. Wang

determined the crystal structure of Nitinol and the development and patenting of thermal heat exchange engines using Nitinol. He was the founder of Innovative...

Last Update: 2024-03-06T19:48:51Z Word Count : 795

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Tracheal collapse

shown more promise for success with intrathoracic cases, especially using nitinol, a type of shape memory alloy composed of nickel and titanium. Potential...

Last Update: 2023-08-30T03:06:19Z Word Count : 466

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Ventricular septal defect

A nitinol device for closing muscular VSDs, 4 mm diameter in the centre. It is shown mounted on the catheter into which it will be withdrawn during insertion...

Last Update: 2024-03-19T00:57:48Z Word Count : 2537

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Dental braces

Space Administration (NASA) made an alloy of nickel and titanium called Nitinol to be utilized for solar panels and antennas on their satellites. In 1979...

Last Update: 2024-03-28T22:56:28Z Word Count : 3965

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Niti

Niti can refer to: Nickel titanium alloy or Nitinol Shape memory alloy Niti Valley and Niti Pass in the Indian state of Uttarakhand NITI, a Bulgarian...

Last Update: 2020-11-01T08:40:16Z Word Count : 70

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Main result

Nickel titanium

Nickel titanium, also known as nitinol, is a metal alloy of nickel and titanium, where the two elements are present in roughly equal atomic percentages. Different alloys are named according to the weight percentage of nickel; e.g., nitinol 55 and nitinol 60. Nitinol alloys exhibit two closely related and unique properties: the shape memory effect and superelasticity (also called pseudoelasticity). Shape memory is the ability of nitinol to undergo deformation at one temperature, stay in its deformed shape when the external force is removed, then recover its original, undeformed shape upon heating above its "transformation temperature." Superelasticity is the ability for the metal to undergo large deformations and immediately return to its undeformed shape upon removal of the external load. Nitinol can deform 10 to 30 times as much as ordinary metals and return to its original shape. Whether nitinol behaves with the shape memory effect or superelasticity depends on whether it is above its transformation temperature. Below the transformation temperature it exhibits the shape memory effect, and above that temperature it behaves superelastically.


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