压电材料机械强度测试 2007-06-21

陶瓷材料的机械拉伸强度测量比较困难，因此可以考虑用共振法。<压电测量〉一书介绍了一种基于共振的方法。但高频工作状态下，损耗大，陶瓷易发热，操作困难。 ...

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history of piezoelectrics 2007-06-06

The phenomenon that electricity could be produced in some crystals by subjecting them to mechanical pressures was suggested by Charles Coulomb in 1 ...

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