A magnetorheological elastomer compressive and shear sensor

Nima Ghafoorianfar; Faramarz Gordaninejad

doi:10.1117/12.2086335

3 April 2015 A magnetorheological elastomer compressive and shear sensor

Nima Ghafoorianfar, Faramarz Gordaninejad

Proceedings Volume 9435, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2015; 94351E (2015) https://doi.org/10.1117/12.2086335
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

Abstract

A magnetorheological elastomer (MRE)-based wireless sensor is designed, developed and tested, which is capable of sensing compression and shear forces. The MRE wireless sensor system consists of a disk-shape MRE sample with two thin steel electrodes attached to both sides and two wires connected to electrodes. Electrical resistance of MRE sensor samples changes due to piezoresistance behavior of MRE as various axial and shear stresses are applied. Electrical resistance decreases as the applied compressive axial forces increases, on the other hand, the electrical resistance increases as the applied shear force increases. Different MRE sensor configurations are evaluated for design optimization.

Citation Download Citation

Nima Ghafoorianfar and Faramarz Gordaninejad "A magnetorheological elastomer compressive and shear sensor", Proc. SPIE 9435, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2015, 94351E (3 April 2015); https://doi.org/10.1117/12.2086335

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