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Numerical Analysis of Stretching Behavior of Polyvinylidene Fluoride (PVDF) Thin Film Laminate

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Abstract:

Microelectromechanical systems (MEMS) are widely used in flexible and stretchable applications employing polymeric substrates such as PDMS, PET, and Polyimide. In this study, the mechanical behavior of PVDF thin films on PDMS substrates is numerically investigated under uniaxial tensile loading using Finite Element Analysis (FEA). The developed FEA model is first validated using established experimental results before being applied to the main specimen. Mesh-independent analyses are performed for PVDF film thicknesses of 50, 75, 100, and 125 µm with a 1 mm thick PDMS substrate under different elastic modulus conditions. Results show that thicker PVDF films require higher elastic strain to reach yielding. Furthermore, interfacial shear stresses are maximum at the laminate ends and decrease toward the center. These findings provide useful insights into the mechanical behavior and failure characteristics of PVDF–PDMS laminates for flexible MEMS applications.

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Periodical:

Materials Science Forum (Volume 1198)

Pages:

81-86

DOI:

https://doi.org/10.4028/p-1EVbm0

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Online since:

August 2026

Authors:

Shahzaib Nazim, Malik Muhammad Nauman*, Murtuza Mehdi, Muhammad Usman Khalid, Asif Iqbal, Kamran Ali, Muhammad Abid, Juliana Hj Zaini

Keywords:

Finite Element Analysis (FEA), Interfacial Shear, Microelectromechanical Systems, Polydimethylsiloxane, Polyvinylidene Fluoride, Thin Film

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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