TiNi Alloy: Devices and Prototypes

Since early 2005, TiNi Alloy's efforts have been directed to methods of manufacture, physical characterization, and commercial applications of superelastic single-crystal copper-aluminum-nickel alloys.

Single-crystal CuAlNi alloys have elastic qualities superior to those of TiNi. Aerospace applications include hinges for deployment of booms, locking and latching devices, constant force fasteners, and non-explosive separation devices. In medicine, increased flexibility will enable a new generation of catheter guidewires.

As connector pads in microelectronics chips become smaller, more complex, and faster, there is need for probe tips with greater compliance. Superelastic wire tips as small as 0.008 inches (0.2 mm) diameter have been fabricated and are available for evaluation in test equipment.

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