WANG YEFAN

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Study materials1

on May 6, 2012

Flexinol Nitinol Actuator Wire(Shape-memory alloy)

A shape-memory alloy (SMA, smart metal, memory metal, memory alloy, muscle wire, smart alloy) is an alloy that “remembers” its original, cold-forged shape: returning the pre-deformed shape by heating. This material is a lightweight, solid-state alternative to conventional actuators such as hydraulic, pneumatic, and motor-based systems. Shape-memory alloys have applications in industries including medical and aerospace.

Piezo Film:

Piezoelectric Film is an enabling transducer technology with unique capabilities. Piezo Film produces voltage in proportion to compressive or tensile mechanical stress or strain, making it an ideal dynamic strain gage. It makes a highly reliable, low-cost vibration sensor, accelerometer or dynamic switch element. Piezo Film is also ideally suited for high fidelity transducers operating throughout the high audio (>1kHz) and ultrasonic (up to 100MHz) ranges.

Here is a link regarding with some material and electronics: http://users.dma.ucla.edu/~datadreamer/256/actuators.html

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