Abstract
Linear ultrasonic motors using a combination of the first longitudinal mode and the fourth bending mode were designed and fabricated. The driving characteristics of the motors, which were composed of a straight metal bar bonded with piezoelectric ceramic vibrators as a driving element, were measured. Unimorph and bimorph ceramic vibrators were attached on three kinds of metal bars for constructing the stators of the linear motors. As results, motors made with the bimorph ceramic vibrators had higher velocity than motors of the unimorph vibrators. As a metal bar for stator, magnesium alloy, which has lower elastic coefficient than aluminum alloy, was better for the motors. 10.1143/JJAP.41.7139
| Original language | English (US) |
|---|---|
| Pages (from-to) | 7139-7143 |
| Number of pages | 5 |
| Journal | Japanese Journal of Applied Physics |
| Volume | 41 |
| Issue number | 11 B |
| DOIs | |
| State | Published - Nov 2002 |
All Science Journal Classification (ASJC) codes
- General Engineering
- General Physics and Astronomy
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