Nitinol super-elastic plates

Nitinol super-elastic plates is an alloy plate composed of elements such as nickel and titanium, which exhibits a memory effect, allowing them to return to their original shape. Nickel-titanium alloy, also known as shape memory alloy (SMA), is an alloy material that can "remember" its original shape. It is composed of nickel and titanium, among other elements, and has special shape memory properties. So these alloys plates have two special properties: shape memory, which means that after experiencing plastic deformation, it can be restored to its original shape through heat treatment; and superelasticity, which means that it has strong resilience when subjected to stress deformation and can recover to its initial state.

Because of these properties, Nitinol super-elastic plates are widely used in many fields, such as medical equipment, automotive, aerospace, and others. For example, in medical equipment, they can be used to make stents and implants, and for orthodontic treatments. In the aerospace field, they can be used to manufacture wing components and control surfaces, among other parts.

Product Name	Nitinol super-elastic plates
Standard	ASTM F2063
Dimension	THK 0.01 ~ 12 mm, WT 100-600 mm, L ≤ 2000 mm
Alloys	Superelastic and Shape Memory Available
Surface Treatment	bright
Condition	As Cold-Worked, Straight Strain Annealed
Certification	Transformed Temperatures, Chemical composition, Tensile Properties,  Customer Specific Requirements

The production process: The production process includes vacuum melting, casting, forging, rolling, drawing, heat treatment, and machining.

 

Quality testing： Nitinol plates and sheets can be tested using various methods, including metallographic analysis, mechanical testing (tensile, compression, and bending), chemical analysis, and thermal analysis (differential scanning calorimetry and thermal cycling).

 

Composition and properties: it is composed of nickel and titanium in approximately equal atomic percentages. It exhibits unique properties such as shape memory effect, superelasticity, high damping capacity, and good biocompatibility. Its properties can be adjusted by varying the composition, processing parameters, and heat treatment conditions.

 

Table 1 Physical and mechanical properties :

Density（g·cm-3）	6.45
melting point/℃	1240∽1310
specific heat/kJ·（kg·K）-1	0.46
heat conductivity （room temperature）W·（m·K）-1	10
resistivity/10-6Ώ·m	80
coefficient of expansion/10-6·K-1	10.4
modulus of elasticity/GPa	40∽80
hardness（HV））	180∽200（Low temperature phase）
	200-350（high temperature phase）
tensile strength/MPa	700-1100
yield strength /MPa	50-200
	100-600
elongation/%	20-60

 

Table 2. Performance property: 

phase-transition Af/℃	-10∽100
Recoverable strain/%	8(maximum strain ）
	6（Less repeated times）
	2（Repeated times，N=105）
	<0.5（Memory fatigue life，N=107）
ultimate-use (limiting service) temperature /℃	Af+60 250
Maximum recovery stress/MPa	680

 

The pictures show:

The main application of Nitinol super-elastic plates:

①Biomedical implants: They are used in the human body as implants due to their biocompatibility and unique properties such as superelasticity and shape memory.

②Dental braces: Orthodontic brackets made of nitinol plates are used to straighten teeth due to their flexibility and shape memory effect.

③Aerospace industry: They are used in aircraft components such as actuators and landing gear due to their resistance to high temperatures and fatigue.

④Robotics: They are used in the manufacturing of robot arms and grippers due to their ability to return to their original shape after being deformed.

⑤Eyeglass frames: Frames made of nitinol plate are flexible and durable, making them ideal for eyeglasses.

⑥Seismic dampers: These devices made of nitinol are used to absorb shock and reduce the effects of earthquakes on buildings and structures.

7. Sports equipment: they are used in sports equipment such as tennis racquets and golf clubs due to their flexibility and durability.

 

The package:

Packaging and shipping Details:

1. Inner packing: plastic foam bag;

2. Outer packing: plywood case with strips;

3. We ship worldwide by sea, air, train, and FedEx, DHL, UPS, TNT, and so on;

4. We will package them in a way that ensures safe delivery to the destination.

5. Other special requirements of the package you can tell us before shipment.