Numerical Investigation of Bending Strength of Composite Sandwich Panel with Grid Core for Use in PEM Fuel Cell Endplates

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Hoseini Sadegh; Barzegari Mohammad Mahdi; Pirali Pouya; Eskandarijam Jafar

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Journal Paper

Paper Information

Journal: JOURNAL OF MECHANICAL ENGINEERING AMIRKABIR (AMIRKABIR) Year:2023 | Volume:55 | Issue:6 Page(s): 723-736

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Information Journal Paper

Title

Numerical Investigation of Bending Strength of Composite Sandwich Panel with Grid Core for Use in PEM Fuel Cell Endplates

Author(s)

Hoseini Sadegh | Barzegari Mohammad Mahdi | Pirali Pouya | Eskandarijam Jafar | Issue Writer Certificate

Keywords

Polymer Electrolyte Membrane Fuel CellQ4

Composite Sandwich PanelQ4

EndplateQ4

Bending strengthQ4

finite element methodQ4

Abstract

Endplates are one of the most important components of polymer electrolyte membrane (PEM) fuel cell that must apply uniform contact pressure distribution on the membrane electrode assembly (MEA). For this reason, these plates must have good bending rigidity. In this research, the bending behavior of composite sandwich plates has been investigated numerically To achieve a composite structure with high bending stiffness for use in the Endplates of PEM fuel cells. For this purpose, the Bending strength of Composite Sandwich Panels with grid core was evaluated based on the type of material and relevant standards through numerical simulation. Numerical simulation has been performed in Abaqus software using the finite element method. The effect of different angles of fibers in three different geometries of square, triangular, and diamond grid core for C/Sic and E-Glass Epoxy materials on the bending behavior of Composite Sandwich Panels were analyzed. The obtained results indicate the better performance of C/Sic materials in the stress test, as well as the more suitable bending behavior of triangular mesh geometry with fiber angles (0-45-90).

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