Quasi-Static Three-Point Bending Behavior of Aluminum Foam Sandwich with CFRP Face-Sheets

Aluminum foam sandwich panels are excellent structure–function integrated materials. With high specific strength, cushioning energy absorption and sound absorption of aluminum foam material, they overcome the disadvantage of the low strength of single aluminum foam materials. In this paper, the resp...

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Bibliographic Details
Published in:Metals (Basel ) 2022-08, Vol.12 (8), p.1393
Main Authors: Wang, Xinyuan, Cao, Zhuokun, Fu, Gaofeng
Format: Article
Language:English
Subjects:
Adhesives
Aluminum
aluminum foam
Bending
Carbon fiber reinforced plastics
Carbon fiber reinforcement
Composite materials
Deformation
deformation modes
Density
Energy absorption
Epoxy resins
Indentation
Interfaces
Load
Mechanical properties
Metal foams
Microprocessors
Porous materials
quasi-static
Sandwich panels
sandwich structure
Sheets
Sound transmission
Stiffness
Thickness
three-point bending
Tomography
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Summary:Aluminum foam sandwich panels are excellent structure–function integrated materials. With high specific strength, cushioning energy absorption and sound absorption of aluminum foam material, they overcome the disadvantage of the low strength of single aluminum foam materials. In this paper, the response of aluminum sandwich panels comprising aluminum foam cores and carbon fiber reinforced plastic (CFRP) face-sheets was investigated under quasi-static three-point bending, and the effect of core thickness as well as core density on flexural loads and deformation modes was studied. The experimental results show that increasing the thickness and the density of the core materials can increase the flexural load and bending stiffness in the bending process. The aluminum foam sandwich panels mainly include the following deformation modes in the three-point bending process: indentation, core shear, face-sheet fracture and debonding.
ISSN:2075-4701
2075-4701
DOI:10.3390/met12081393