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Wuxi Gotele 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 ?elds, 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 E?ect). 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.

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.

Packing of Nitinol Wire:

Shanghai 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) Shanghai Metal Standard

2) Customization

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