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国产PVDF压电薄膜的冲击加载及卸载响应研究 被引量:15

Response of Homemade PVDF Piezofilm under Shock Loading and Unloading
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摘要 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。 For two kinds of homemade PVDF piezofilm,the shock loading stress-charge curves were calibrated,using light gas gun and shock tube respectively.Results were compared with some other homemade and overseas PVDF.By measuring the particle velocity in the step-release experiment,the shock release behavior of PVDF was also studied.The hystersis of PVDF was found obviously.
出处 《高压物理学报》 CAS CSCD 北大核心 2004年第3期261-266,共6页 Chinese Journal of High Pressure Physics
基金 抗辐射加固技术研究基金
关键词 PVDF 激波管 冲击加载 质点 压电薄膜 电荷 标定曲线 卸载 响应特性 速度 PVDF piezoelectric film dynamic response unloading hysteresis
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