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国产PVDF压电薄膜的冲击加载及卸载响应研究

DOI: 10.11858/gywlxb.2004.03.011, PP. 261-266

Keywords: PVDF,压电薄膜,动态响应,卸载,滞后效应

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Abstract:

对两种厚度的国产PVDF压电薄膜,用轻气炮和激波管进行了冲击加载应力-电荷曲线的标定,并与其它若干种国内外的PVDF标定曲线进行了对比和分析;采用阶梯卸载和同时测量质点速度的方法,研究了PVDF压电薄膜的冲击卸载响应特性,发现有明显的滞后效应存在。

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