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A Comparative Study of BaTiO<sub>3</sub>/PDMS Composite Film and a PVDF Nanofiber Mat for Application to Flexible Pressure Sensors
Donghyuck Park, Kwanlae Kim
Korean J. Met. Mater. 2021;59(6):412-421.   Published online 2021 May 26
DOI: https://doi.org/10.3365/KJMM.2021.59.6.412

Abstract
Intensive research has been conducted to develop flexible piezoelectric pressure sensors, since selfpowering devices are advantageous for wearable electronic applications. Recently, two types of piezoelectric devices, ceramic-PDMS composite film and PVDF nanofiber mats, have drawn attention in the research community. Piezoelectric ceramics such as BaTiO3 (BTO) and PZT exhibit outstanding..... More

                           Cited By 2
Characterization of Viscoelastic Behavior of Poly(dimethylsiloxane) by Nanoindentation
Jong-hyoung Kim, Jinwoo Lee, Woojoo Kim, Jongheon Kim, Seung-Kyun Kang, Dongil Kwon
Korean J. Met. Mater. 2019;57(5):289-294.   Published online 2019 May 5
DOI: https://doi.org/10.3365/KJMM.2019.57.5.289

Abstract
In this study, we characterize the viscoelastic behavior of polymers using nanoindentation. We applied the indentation representative stress approach and elastic solution to the Maxwell model and determined that there was a linear relationship between the inverses of the initial unloading stiffness and indentation unloading rate. From nanoindentation tests with..... More

                           Cited By 4
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