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In this study, we investigated the effect of cutting angle, draw ratio (DR), and degree of orientation on the shearpiezoelectric behavior of uniaxially drawn PLA film. Piezoelectric results suggest that the PLA film with DR=4.5 and cutting angle of 45o exhibit maximum shear-piezoelectricity as expected. Piezoelectric output signals of drawn PLA films well correlated with birefringence rather than...
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