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Nitinol tube is an intermetallic compound consisting of approximately equal atomic ratios (50 percent nickel and 50 percent titanium), with a density of 6.45g/cm3, and a melting point of 1240-1310℃.

Shape memory alloy is a kind of alloy which can automatically restore its plastic deformation to its original shape at a certain temperature.

Ni Ti alloy is a kind of shape memory alloy. Shape memory alloy is a special alloy which can automatically restore its plastic deformation to its original shape at a certain temperature.

The 20th century is the era of mechatronics. Sensor integrated circuit drive is the most typical mechanical and electronic control system, but it is complex and huge.