What industries commonly use super elastic nitinol foil?

2026-03-25 00:00:00

What is super elastic nitinol foil?


Super elastic nitinol foil is an ultra-thin and flexible sheet material made from a nearly equiatomic nickel-titanium (NiTi) alloy. It is a high-performance smart material renowned for its "superelasticity" and "shape memory effect", and also features excellent biocompatibility, corrosion resistance, and fatigue resistance.

nitinol foil

Selection and Customization Guide


When choosing the super elastic nitinol foil, please provide the following information:

Transformation temperature (Af): Select based on the application environment (e.g., approximately 37°C for medical applications, approximately 25°C for room temperature use)

Thickness and tolerance: Standard specification: 0.01 - 0.5 millimeters; can be customized to 0.002 millimeters

Surface treatment: Electro-polishing (for medical use), acid washing, or cold rolling

Size: Customizable width/length; can be in the form of coils or sheets

Mechanical properties: Prioritize either superelasticity or shape memory characteristics

Key Material Properties

The characteristics of the superelastic nickel titanium alloy foil revolve around "intelligent, durable, and safe". Super elasticity and shape memory effect are the core features. Its biocompatibility and corrosion resistance make it suitable for various scenarios such as medical and outdoor use. The thickness and phase transition temperature can be customized according to requirements.

Property

Details

Superelasticity

Full shape recovery after large deformation (no heating required)

Shape Memory Effect

Returns to pre‑programmed shape when heated above transformation temperature

Corrosion Resistance

Excellent resistance to body fluids, saltwater, and harsh environments

Fatigue Life

Exceptional cyclic stability (thousands of deformation cycles

Density

~6.45 g/cm³

Transformation Temp Range

Customizable: typically -50°C to 100°C

Thickness Range

Standard: 0.002 mm (2 μm) to 0.5 mm; custom ultra‑thin available

 

Super elastic nitinol foil is an important component of modern intelligent materials, bringing significant breakthroughs to medical technology, aerospace engineering, and microelectronics fields. Its unique super-flexibility, shape recovery ability, and biocompatibility make it irreplaceable in high-precision and high-reliability applications.
If you need customized specifications, technical data sheets, or bulk quotations, please contact us via the following email: baojihanz-niti@hanztech.cn

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