High-force Mechanical Dynamic Investigation of Natural Fiber Composite Sandwich Panels for Aerospace Design
Received: 21 May 2024 | Revised: 4 June 2024 | Accepted: 6 June 2024 | Online: 2 August 2024
Corresponding author: Bader Alqahtani
Abstract
In this paper, the non-destructive assessment of thermo-mechanical characteristics of extremely rigid structures made up of natural composites fibers is conducted. Higher-force dynamic mechanical investigation has allowed for new insights, which is not possible with the regularly employed static and impact test methods. Natural fibers made up of composite sandwich panels with aluminum and aramid honeycomb cores are studied. Various panel cores of equal stiffness and damping capabilities are compared over flight frequencies ranging from 1 to 100 Hz. It was discovered that the exhaustion of the natural fiber sandwich panels depends on both the core material and the applied static load. Additionally, temperature sweeps were carried out, and it was discovered that they can identify variations in the post processing of the natural fiber laminated panels and show the variations in the transition temperature of the matrix material.
Keywords:
natural fibers, sandwich panels, aerodynamics, mechanical analysis, characterization design, MMCDownloads
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