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This article highlights the design of a unimorph for electric power generation and tested with two loading conditions. The unimorph comprises a piezoelectric ceramic bonded onto a steel disk, operating in d31 radial mode so that lateral stresses cause a charge difference through the thickness of the unimorph. The experimental methods of testing were, firstly to apply a uniformly distributed pressure...
The performance of micro-scale piezoelectric motors is characterised primarily in terms of their torque, speed and efficiency. In order to be meaningful these parameters must be measured concurrently and an effective test system is therefore essential for design, development, device optimisation and assessment of reliability. At the micro-scale, conventional methods of testing rotary motors, such...
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