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Recent Patents on Mechanical Engineering


ISSN (Print): 2212-7976
ISSN (Online): 1874-477X

Research and Applications of MR Elastomers

Author(s): Weihua Li and Xianzhou Zhang

Volume 1, Issue 3, 2008

Page: [161 - 166] Pages: 6

DOI: 10.2174/2212797610801030161

Price: $65


Magnetorheological elastomer (MRE) is a new branch of MR materials, which are smart materials whose rheological properties can be controlled by the application of an external magnetic field. MREs are solid, rubber-like materials whose modulus can be adjusted by applying magnetic field. In this article, the current research and patents on the material fabrication, modeling and testing, and applications will be reviewed and discussed. As the articles review, recent interesting in applications focused on three main areas. The first one is on the sound and vibration control, especially on the vehicle applications, including dynamic vibration absorber and isolator. The second one is on the controllable stiffness change and deformation, such as roll in papermaking machine and releasable fastener system. The third one is on the sensors and actuators. In summary, MREs have made significant advances and will have promising applications.

Keywords: Magnetorheological elastomers, field-dependent modulus, rheological properties

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