Nitinol wire

Grade: NiTi-01/NiTi-02/NiTi-ss/TN3/TNC/NiTiCu/NiTiNb/NiTi-yy
Diameter: 0.1mm~40mm or customized
Hardness(HV):180~200/200~350/700~1100
Standard: ASTMF2063 / Q/XB1516.1 / Q/XB1516.2
Description Technical Information Packaging More Review
Description

Guangdong Metal Corporation is a leading Nitinol Wire for Lead Frames manufacturer and supplier.

Shape Memory Alloys (SMAs) have been considered as one of the most promising smart materials. They can provide novel solution in several fields, for various applications (e.g. actuator, biomedical application, clamping systems, ect.). Shape Memory Alloys demonstrate a unique ability to recover their initial shape after deformation through a reversible thermo-elastic phase transformation, it allows Shape Memory Alloys to recover large strains, either spontaneously (pseudo elasticity) or through an increase in temperature (Shape Memory Effect). Among the commercially available Shape Memory Alloys, nickel–titanium (Ni–Ti and Ni–Ti based) ones are outstanding due to their excellent performance and reliability, in addition to strain recovery, Ni–Ti is attractive for several medical applications due to its biocompatibility, corrosion resistance and fatigue behavior..

Near-atomic ratio of Ti-Ni alloy was the first material to be used as a shape-memory alloy. Due to its excellent shape memory function, good heat and corrosion resistance, high strength, unique thermal and fatigue resistance, high biocompatibility and high damping characteristics, it is widely used in many fields..

 

If you want to know more about our nickel product or nickel-chromium alloy wire and strip, please feel free to contact us, we will reply you within 24 hours.

  • 1) Grade: NiTi-01/NiTi-02/NiTi-ss/TN3/TNC/NiTiCu/NiTiNb/NiTi-yy

    2) Diameter: 0.1mm~40mm or customized

    3) Hardness(HV):180~200/200~350/700~1100

    4) High strength(Rm:≥450Mpa,HRB:70-86)

    5) Standard: ASTMF2063 / Q/XB1516.1 / Q/XB1516.2

  • 1) Resilient glass frames

    2) Orthodontic arc wire

    3) Medical devices

    4) Actuators

    5) High reliability couplings

    6) Temperature control system couplings

  • Ti-Ni shape-memory alloy wire can be used in cell phone antennas, children's toys, experimental materials, eye glasses components and medical equipment such as surgical stitching wire, birth control loop and high-quality memory alloy wire of other areas.

Technical Information

CHEMISTRY: TYPICAL

Element Min Max
Nickel 55% 56%
Titanium 44% 45%




PHYSICAL PROPERTIES

 

Density, 0.2633 lbs/in³, 6.45 g/cm³

 

Electrical Resistivity: Ω-cm

Austenite: 82 x 10

Martensite: 76 x 10

 

Thermal Conductivity, W/cm°C

Austenite : 0.18

Martensite: 0.086

 

Mean Coefficient of Thermal Expansion, in/in/°F (μm/m•K) 80- 200°F (27- 93°C)

Austenite: 6.1 x 10 (11)

Martensite: 3.6 x 10 (6.6)

 

Modulus of Elasticity, KSI (MPa)

Austenite: 10.08-12.04 x 10³, (75-83 x 10³)

Martensite: 4.06-5.80 x 10³, (28-40 x 10³)

 

Melting Point: 2930°F (1310°C)



NITI PROPERTIES: ANNEALED TYPICAL

Ultimate Tensile Strength 130 KSI (895 MPA)
Yield Strength (0.2 Offset)
Austenite 28-100 KSI (195-690 MPa)
Martensite 10-20 KSI (70-140 MPa)
Elongation 25-50%




NITINOL PROPERTIES: TEMPERED TYPICAL

Ultimate Tensile Strength 275 KSI (1900 MPA)
Elongation 5-10%



PROPERTIES TEMPERED
Nitinol can be cold rolled to achieve the temper properties required by specific customers and/or manufacturing requirements. Contact us for details.



Technical Information of Nitinol Wire:

Shape-memory alloys are typically made by casting, using vacuum arc melting or induction melting. These are specialist techniques used to keep impurities in the alloy to a minimum and ensure the metals are well mixed. The ingot is then hot rolled into longer sections and then drawn to turn it into wire.

 The way in which the alloys are "trained" depends on the properties wanted. The "training" dictates the shape that the alloy will remember when it is heated. This occurs by heating the alloy so that the dislocations re-order into stable positions, but not so hot that the material recrystallizes. They are heated to between 400 °C and 500 °C for 30 minutes, shaped while hot, and then are cooled rapidly by quenching in water or by cooling with air.

 

Packaging

Packing of Nitinol Wire:

Guangdong Metal Products are packed and labeled according to the regulations and customer's requests. Great care is taken to avoid any damage which might be caused during storage or transportation. In addition, clear labels are tagged on the outside of the packages for easy identification of the product I. D. and quality information.

1) Guangdong Metal Standard

2) Customization

 

More

More of  Nitinol Wire:

Ti-Ni shape-memory alloy wire can be used in cell phone antennas, children's toys, experimental materials, eye glasses components and medical equipment such as surgical stitching wire, birth control loop and high-quality memory alloy wire of other areas.

 

 

Professional Glossary of  Nitinol Wire:

MS: The starting temperature of SMA transform from austenite to martensite

MF: The ending temperature of SMA transform from austenite to martensite

AS: The starting temperature of SMA transform from martensite to austenite

AF: The ending temperature of SMA transform from martensite to austenite


How does nitinol wire work?

Nitinol, short for nickel-titanium, is a unique alloy known for its shape memory and superelastic properties. These properties are attributed to its ability to undergo reversible phase transformations when subjected to temperature changes or mechanical stress.

The shape memory effect of Nitinol allows it to "remember" and recover its original shape after being deformed. When the alloy is cooled below its transition temperature, it becomes easily deformable. However, upon heating, it reverts to its original shape, exhibiting its shape memory property. This characteristic makes Nitinol ideal for applications where controlled and reversible shape changes are required.

In addition to its shape memory effect, Nitinol also possesses superelasticity. This means that it can undergo significant deformation without permanent damage and then return to its original shape when the stress is released. Nitinol's superelasticity is a result of its unique crystal structure, which allows it to undergo reversible martensitic transformations under stress.

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