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Strip, sheet alloy nitinol

Strip, sheet alloy nitinol

Supplier — AvekGlob company offers to purchase at a reasonable price from the manufacturer a ribbon and a sheet of nitinol. The supplier guarantees prompt delivery of products to any address specified by the customer.

Technical specifications

The alloy nitinol differs by a moderate range of solubility, allowing to change the composition and doping by other elements to change shape memory and mechanical properties.

Nitinol reflects the general behavior of the shape memory, returning to its original shape after heating to the phase transformation temperature. When heated to this temperature, nitinol passes from a low-temperature monoclinic martensitic structure to a high-temperature cubic austenite structure.

Urgency of application

Due to the following properties of a tape or sheet of nitinol:

• Creating significant efforts due to shape memory effect;

• Excellent damping properties, which appear below the temperature of the structural transition;

• Excellent corrosion resistance;

• Non-Magnetic;

• High fatigue strength;

• Moderate resistance to shock and temperature loads;

• Biocompatibility.

These properties stipulate the practical use of tape and sheet of nitinol for the production of fittings and couplings in military equipment, tweezers for the removal of foreign objects with small incisions, anchors for fixing tendons and stents used in cardiovascular surgery. The main industrial applications are safety valves / actuators for monitoring water temperature and fire sprinklers, vibration monitoring devices, fasteners, interlocking clamping devices, antennas for household phones.

Chemical composition

The most known of nickel and titanium alloys is the nitinol-55 alloy, which contains 45% of titanium and 55% of nickel.


Physical and mechanical properties

Density, kg / m 3 — 6500;

Melting point, 0 С — 1310;

Coefficient of thermal conductivity, W / mdg — 18;

Modulus of elasticity, GPa — 40/75;

The limit of temporary resistance, MPa — 800… 820;

Yield strength, MPa — 440… 500;

Hardness in Brinell, HB, not more than — 320;

Impact strength, kJ / m 2 — 330… 590;

Relative elongation at tension,% — 10.

Technological features of material application

Two methods of primary smelting are used to produce nitinol:

Vacuum arc remelting: in this method, an electric arc is excited between a copper plate that is cooled by water and the original components;

Vacuum induction melting: the raw material is heated in a carbon crucible using an alternating magnetic field.

Less common are induction or plasma-arc melting, as well as electron-beam melting.

Supplier — AvekGlob company — offers to buy sheet and tape, which are made of titanium-nickel alloy nitinol, at a price formed on the basis of European and world standards of production. Buy these products can be wholesale and retail. For regular customers, there is a flexible system of discounts.