Analysis and Testing of MR Shear Transmission Driven by SMA Spring | Zendy

Jin Huang | Zendy; Xu Chen | Zendy; Lirong Zhong | Zendy

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Analysis and Testing of MR Shear Transmission Driven by SMA Spring

Author(s) -

Jin Huang,

Xu Chen,

Lirong Zhong

Publication year - 2013

Publication title -

advances in materials science and engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.356

H-Index - 42

eISSN - 1687-8442

pISSN - 1687-8434

DOI - 10.1155/2013/307207

Subject(s) - magnetorheological fluid , sma* , materials science , spring (device) , rheology , displacement (psychology) , mechanics , torque , magnetic field , shape memory alloy , composite material , physics , thermodynamics , psychotherapist , psychology , mathematics , combinatorics , quantum mechanics

A transmission method of magnetorheological (MR) fluid in cylindrical-type driven by shape memory alloy (SMA) spring with the thermal effect was proposed. The torque can change rapidly with temperature. Based on the thermal effect of SMA, the expression for displacement of SMA spring was established. The rheological property of MR fluid under the magnetic fields was described by Bingham model. Based on momentum equation, the shear flow of MR fluid between two cylinders was analyzed and the expressions of flow velocity and torque have been obtained. The experimental results show the output displacement of SMA spring and the transmit torque of MR fluid is directly proportional to the temperature and the applied magnetic field, respectively

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