High Power Piezoelectric Transformers with Pb(Mg1/3Nb2/3)O3--PbTiO3 Single Crystals
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概要
- 論文の詳細を見る
Plate-shaped piezoelectric transformers were designed and manufactured with Pb(Mg1/3Nb2/3)O3--PbTiO3 single crystals (PMN-PT). Theoretical analysis was performed using Mason's equivalent circuit model and finite element method (FEM) simulations. In the experiment, transformer performances, especially the power density, were compared among different materials, including lead zirconate titanate (PZT) ceramics, undoped PMN-PT, and manganese-doped PMN-PT (Mn-PMN-PT). High power density of 38 W/cm3 was obtained using single crystals, which was 5 times that of hard PZT ceramics. The power level of the single crystal transformer showed a significant dependence on doping, poling direction, and cutting orientation. Results also verified that the high power performance was mainly determined by the electromechanical coupling coefficient and mechanical quality factor of the material.
- The Japan Society of Applied Physicsの論文
- 2009-12-25
著者
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UCHINO Kenji
International Center for Actuators and Transducers, Materials Research Laboratory, The Pennsylvania
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URAL Seyit
International Center for Actuators and Transducers, Pennsylvania State University
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Uchino Kenji
International Center For Actuators And Transducers Materials Research Institute The Pennsylvania Sta
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Uchino Kenji
International Center For Actuators And Transducers (icat) Materials Research Laboratory The Pennsylv
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Ural Seyit
International Center For Actuators And Transducers Materials Research Institute The Pennsylvania Sta
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Zhuang Yuan
International Center for Actuators and Transducers, Materials Research Institute, The Pennsylvania S
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Gosain Rohan
International Center for Actuators and Transducers, Materials Research Institute, The Pennsylvania S
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Tuncdemir Safakcan
International Center for Actuators and Transducers, Materials Research Institute, The Pennsylvania S
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Amin Ahmed
Naval Undersea Warfare Center Division Newport, 1176 Howell Street, Newport, RI 02841, U.S.A.
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Amin Ahmed
Naval Undersea Warfare Center Division Newport
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Zhuang Yuan
International Center For Actuators And Transducers Materials Research Institute The Pennsylvania Sta
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Gosain Rohan
International Center For Actuators And Transducers Materials Research Institute The Pennsylvania Sta
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Tuncdemir Safakcan
International Center For Actuators And Transducers Materials Research Institute The Pennsylvania Sta
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Uchino Kenji
International Center For Actuators And Transducers (icat) Intercollege Materials Research Laboratory
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