Differential Magnetoelastic Compressive Force Sensor Utilizing Two Amorphous Alloy Ring Cores |
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| Journal | Solid State Phenomena (Volume 154) |
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| Volume | Smart Materials for Smart Devices and Structures |
| Edited by | Marcin Leonowicz and Dariusz Oleszak |
| Pages | 23-27 |
| DOI | 10.4028/www.scientific.net/SSP.154.23 |
| Citation | Adam Bieńkowski et al., 2009, Solid State Phenomena, 154, 23 |
| Online since | April, 2009 |
| Authors | Adam Bieńkowski, Roman Szewczyk, Jacek Salach, Roman Kolano |
| Keywords | Amorphous Alloy, Force Sensor, Magnetoelastic Effects |
| Abstract | Paper presents the results of investigation on functional characteristics of magnetoelastic compressive force sensor utilizing two Fe81Si4B15 amorphous alloy ring-shaped cores. Uniform distribution of stresses in one of two cores was achieved owing to special non-magnetic backings. Signal from sensing coils of cores was connected to differential amplifier, whereas sine wave voltage signal was applied to magnetizing circuit. High stress sensitivity of developed sensor was indicated together with expected reduction of temperature sensitivity of magnetoelastic sensor. These results confirm, that differential configuration of magnetoelastic sensor is suitable for practical application in sensors development. |
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