電気学会論文誌E(センサ・マイクロマシン部門誌)
Online ISSN : 1347-5525
Print ISSN : 1341-8939
ISSN-L : 1341-8939
論文
静電容量型振動子を用いたPMMAの疲労試験
柴田 駿天谷 諭杉山 進安藤 妙子
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2015 年 135 巻 7 号 p. 257-262

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Fatigue behavior of polymethyl methacrylate (PMMA) was studied by using polymer electrostatic actuator connected with polymer specimen. A concentrated force was applied at the notch tip introduced at the side of the specimen when the actuator moved in a circumferential direction. The fatigue test was performed under resonant frequency and two specimens broke down by cyclic loading. The decrease in stiffness of the specimen by crack generating and progressing resulted in the deflection of the specimen and stoppage of the actuator's drive by misalignment of the comb-electrode.

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