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Title: Static and fatigue debond resistance between the composite facesheet and Al cores under Mode-1 in sandwich beams
Authors: Selvam, Vignesh
Sridharan, Vijay Shankar
Idapalapati, Sridhar
Keywords: Engineering::Mechanical engineering
Issue Date: 2022
Source: Selvam, V., Sridharan, V. S. & Idapalapati, S. (2022). Static and fatigue debond resistance between the composite facesheet and Al cores under Mode-1 in sandwich beams. Journal of Composites Science, 6(2), 51-.
Journal: Journal of Composites Science
Abstract: The debonding toughness between unidirectional glass fiber reinforced polymer face sheets and cellularic cores of sandwich structures is experimentally measured under static and fatigue loading conditions. The effect of various core geometries, such as regular honeycomb and closed-cell foams of two relative densities on the adhesive interfacial toughness is explored using the single cantilever beam (SCB) testing method. The steady-state crack growth measurements are used to plot the Paris curves. The uniformity of adhesive filleting and the crack path was found to affect the interfacial toughness. The static Mode-1 interfacial toughness of high-density foam cores was witnessed to be maximal, followed by low-density honeycomb, high-density honeycomb, and low-density foam core. Similarly, the fatigue behavior of the low-density honeycomb core has the lowest crack growth rates compared to the other samples, primarily due to uniform adhesive filleting.
ISSN: 2504-477X
DOI: 10.3390/jcs6020051
Schools: School of Mechanical and Aerospace Engineering 
Rights: © 2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// 4.0/).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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