OS0301 Developments of Visualizing Film for Dynamic Strain Using Piezoelectric Polymer Film

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  • OS0301 ピエゾフィルムを用いた動ひずみの可視化フィルムの試作(OS3-1 ひずみ,OS-3 非破壊評価と構造モニタリング1)

Abstract

The final aim of this study is to come up with a new method which supersedes conventional means. It should be superior and can be used flexibly for visualization of strain, comparing to the previous ones. Therefore, we attempted to visualize the strain by using three various types of films, which are piezoelectric film (PVDF), polyimide film (PI) and temperature-sensitive liquid crystal micro capsule film (TLCM). The PVDF can output strong voltage for repeated load. The PI generates heat in regarded to the voltage. And then, TCLM can recognize the heat visually. The PVDF is to the PI what demand is to supply. The TCLM is used so as to visualize the thermal field of the PI. Finally, we acquired valid consequences by the way of complex the above films through experiments, so that we'd like to address regarding this study

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