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Superelastic Titanium and Nickel Memory Alloy Wire in Stock
Nickel Titanium alloy Specification
Nickel Titanium Specification
Nickel Titanium (also known as Nitinol or NiTi) is in the unique class of shape memory alloys. A thermoelastic martensitic phase transformation in the material is responsible for its extraordinary properties.
Nitinol alloys are typically made of 55%-56% Nickel and 44%-45% Titanium. Small changes in composition can significantly impact the properties of the material. There are the primary categories of Nitinol.
The first, known as "SuperElastic", is characterized by extraordinary recoverable strains and resistance. The second category, "Shape Memory" alloys, is valued for the Nitinol's capacity to recover a pre-set shape
when heated above its transformation temprature. The first category is often used for orthodontics (braces, wires, etc) and eyeglasses. SZNK makes shape memory alloys, which are primarily useful for actuators, used in many different mechanical devices. |
ASTM F2063-05 Q/XB1516 Customer specified or Industry Standard
| Name | Grade | Transformation Temperature AF | Form | Standard |
Shape Memory Nitinol Alloy | Ti-Ni-01 | 20 °C~ 40 °C | Wire, bar, plate
| Customer specified or Industry standard |
Ti-Ni-02 | 45 °C~ 90 °C | |||
Superelastic Nitinol Alloy | TiNi-SS | -5 °C~ 5 °C | ||
Low Temperature Superelastic Nitinol Alloy | TN3 | -5°C~ -15°C -20°C~ -30°C | ||
TNC | ||||
Medical Nitinol Alloy | TiNi-SS | 33 ± 3 °C |
| ASTM F2063 |
Narrow Hysteresis Nitinol Alloy | Ti-Ni-Cu | As-Ms ≤ 5 °C |
Wire, bar | |
Wide Hysteresis Nitinol Alloy | Ti-Ni-Fe | As-Ms ≤ 150 °C |
Application of Nitinol
· Free Recovery: nitinol is deformed at a low temperature, and heated to recover its original shape.
· Constrained Recovery: The same, except that recovery is rigidly prevented, and thus a stress is generated.
· Work Production: Here the alloy is allowed to recover, but to do so it must act against a force (thus doing work).
· Superelasticity: As discussed above, here the nitinol acts as a super spring
· Due to the fact it can change shapes it is also used as a golf club
· Nickel titanium can be used to make the underwires for underwire bras.
Detail picture of Nickel Titanium wire
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The Applications of Shape Memory Alloys
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1] .According to globally recognized standard,for example ASTMF.ASTM ASTMB provide third-part inspection reports,ISO Quality Management System .
2]. Visual inspection to check surface quality ,ensuring without flaw.black dot and other defects.
3]. We also take Mechanics Performance Testing, Particle size test microscope ,Powder density tester, pressure testing machine,scanning electron microscope ultrasonic flaw detector by our company before shipping .
4].Chemical composition making sure all chemical components can satisfy customers demands.
5].Mechanical property testing making sure all Nitinol products have satisfying feature before delivery.
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