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Abstract:
一种具有无滞后大电致应变的BNT基三元无铅铁电陶瓷及制备,属于陶瓷技术领域。化学通式为(1‑x‑y)Bi0.5Na0.5TiO3‑xBaTiO3‑yBiMg0.5Ti0.5O3,0.10≤x≤0.14, 0.04≤y≤0.10。该三元无铅铁电陶瓷表现出具有无滞后特性的电致应变,可以满足微位移器件对材料的要求。此时,电致应变S达到0.2%~0.3%,电致伸缩系数Q33达到(2.0~2.8)×10‑2m4/C2的一种无滞后大应变的铁电陶瓷。
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Patent Info :
Type: 发明申请
Patent No.: CN201710167053.6
Filing Date: 2017-03-20
Publication Date: 2017-07-25
Pub. No.: CN106977195A
Applicants: 北京工业大学
Legal Status: 撤回-视为撤回
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