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压电纤维复合材料极化响应电极结构优化
作者:        
单位:(1. 武汉理工大学材料科学与工程学院 材料复合新技术国家重点实验室 武汉 430070  2. 武汉理工大学 纳米矿物材料及应用教育部工程研究中心 武汉 430074) 
关键词:压电纤维复合材料 叉指电极结构 有限元法 极化 
分类号:TN384
出版年,卷(期):页码:2020,48(1):0-0
DOI:
摘要:

 采用有限元软件COMSOL Mutilphysics模拟仿真,从极化电场加载的角度分析了电极结构对压电纤维复合材料(MFC)中压电纤维极化电场分布的影响,发现电极间距增大和宽度减小,有利于增大纤维中均匀活性区域,提高有效电场的加载,从而获得高压电性,同时电极间距的调控效果更为明显。实验制备MFC并进行了铁电响应和压电性能表征,结果表明:适当增大叉指电极间距和减小叉指电极宽度,能有效提高MFC的极化响应程度进而改善了其压电性能,实验结果与模拟仿真一致。

基金项目:
国家自然科学基金(51572205);装备预研教育部联合基金(6141A02022262);中央高校基本科研业务费专项资金(WUT:2017III035,2018III019);纳米矿物材料及应用教育部工程研究中心开放课题(NGM2019KF005)。
作者简介:
参考文献:

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