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15 April 2016 Multi-scale analysis and optimized design of laminated-MRE bearings
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We propose a method to analyze and design a laminated MRE bearing, in which the optimal parameters of materials and mechanical structure of the MRE bearing are determined. Based on the multi-scale and magneto-mechanical coupling theories, we establish a comprehensive model for the MRE bearing considering the influence of particle volume fraction, particle distribution, and thickness of MRE laminated layers on its mechanical performance. Within the micro-scale analysis, the representative volume unit (RVU) is used to address the effect of particle volume fraction and distribution on mechanical and magnetic properties of MRE itself. Within the macro-scale analysis, we build both mechanical and magnetic models for the laminated MRE bearing. Based on the theoretical analysis, a laminated MRE bearing with four-layer MRE is designed and fabricated. The performance of the MRE bearing has been tested by using MTS test bench. The results are compared with that of model analysis. It demonstrates that the proposed method can be a useful tool in the development of laminated-MRE bearings for practical applications.
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Shiwei Chen, Rui Li, Ze Zhang, and Xiaojie Wang "Multi-scale analysis and optimized design of laminated-MRE bearings", Proc. SPIE 9799, Active and Passive Smart Structures and Integrated Systems 2016, 97993M (15 April 2016);

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