摘要
根据压电、导电的原理,研究了CPE/BaTiO_3/VGCF体系中,机械振动能通过压电陶瓷钛酸钡转换成电能,并通过材料中VGCF形成的导电网络,将电能转换成热能,从而达到减振效果的现象。
New piezoelectric mechanical dampers have been fabricated by using composites of polymer (CPE) :piezoelec-tric(BaTiO_3) :carbon fiber(VGCF) . Mechanical vibration energy,Transmitted to piezoelectric particles, is converted into electric energy by piezoelectric effect, is converted into Joule's heat through the conduction paths between electroconduc-tive fiber in the polymeric matrix. This is a new damping mechanism.
出处
《中国纺织大学学报》
CSCD
2000年第2期29-32,共4页
Journal of China Textile University
关键词
减振复合材料
压电陶瓷
碳纤维
减振
damping composite material, piezoelectric ceramics, carbon fiber, percolation threshold, logarithmic decrement
