Optimization of Effective Parameters on the Bending Behavior of Honeycomb Sandwich Panels Using Response Surface Method

Document Type : Solid Mechanics

Authors

1 M.Sc., Faculty of Materials and Manufacturing Technologies, Malek-e-Ashtar University of Technology, Tehran, Iran

2 Corresponding author: Assistant Professor, Northern Research Center for Science and Technology, Malek-e-Ashtar University of Technology, Fereydoonkenar, Iran

3 Assistant Professor, Faculty of Materials and Manufacturing Technologies, Malek-e-Ashtar University of Technology, Tehran, Iran

4 Professor, Faculty of Materials and Manufacturing Technologies, Malek-e-Ashtar University of Technology, Tehran, Iran

Abstract

The use of sandwich composite structures continues to be of interest due to its favorable mechanical properties and high strength-to-weight ratio in various applications such as aerospace, shipbuilding, and fuel cells. In this research, the bending behavior of sandwich structure with aluminum honeycomb core and glass-epoxy faces analyzed. The finite element modeling of the structure done under the three-point bending test and using Abaqus software, to investigate the bending behavior. In addition, the force-displacement diagram and maximum bending force, bending modulus and strength obtained. The parameters of face thickness, core thickness and cell size of the honeycomb core investigated as effective input parameters and the effect of these parameters on the bending behavior of the sandwich panel analyzed. To determine the tests and check these parameters on the structure, the Minitab software and response surface method used by using the central composite design. Finally, the optimal sample introduced. Results show that the sample with face thickness 0.4 mm, cell size 6 mm and core thickness 10 mm have the highest bending modulus and the least weight, and the sample with face thickness of 1.2 mm and cell size 6 mm. In addition, core thickness 20 mm has the highest critical bending load tolerance to the weight.

Highlights

  • Honeycomb composite sandwich panel subjected to bending test.
  • Optimization of parameters done with Minitab software and CCD.
  • The optimal sample with highest bending force and bending modulus, and lowest weight introduced.

Keywords

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References

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Aerospace Mechanics
Volume 19, Issue 3 - Serial Number 73
Serial No. 73, Autumn Quarterly
December 2023
Pages 61-78

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History

  • Receive Date: 28 December 2022
  • Revise Date: 14 February 2023
  • Accept Date: 25 February 2023
  • Publish Date: 21 April 2023

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