Deformation and failure of asymmetric sandwich structures under low-velocity impact

Ni, Can; Lu, Licheng; Liu, Gang; Zhang, Liqiang; Mao, Jian; An, Qinglong; Li, Junli

doi:10.1016/j.engfailanal.2024.108324

Engineering Failure Analysis

2024

DOI: 10.1016/j.engfailanal.2024.108324

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Deformation and failure of asymmetric sandwich structures under low-velocity impact

Can Ni,

Licheng Lu,

Gang Liu

et al.

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Cited by 2 publications

References 54 publications

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The effect of short Kevlar fibers interfacial toughening on impact properties of carbon fiber/aluminum honeycomb sandwich panels

Wang,

Shi,

Zhao

et al. 2024

Aerospace Science and Technology

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The effect of short Kevlar fibers interfacial toughening on impact properties of carbon fiber/aluminum honeycomb sandwich panels

Wang,

Shi,

Zhao

et al. 2024

Aerospace Science and Technology

View full text Add to dashboard Cite

Dynamic Bending Behaviour of Sandwich Structures for Marine Applications

Osa-uwagboe,

Silberschmidt,

Demirci

2024

Applied Sciences

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This paper examines the mechanical performance of fibre-reinforced composite sandwich structures (FRPSSs) for maritime applications, focusing on the impact bending and damage sequence after seawater exposure. Glass-fibre/epoxy facesheets with various PVC foam core configurations underwent low-velocity single and multiple impacts. An in situ moisture-uptake methodology monitored moisture ingress until saturation. Results showed moisture uptake reduced impact bending capacity and bending stiffness to varying degrees. While energy-absorption performance remained largely unchanged under single impacts, significant differences were noted for multiple impacts. Failure analysis confirmed the reductions in some damage modes such as facesheet fracture, indentation, and core shear failures, while core shearing, delamination, core/facesheet debonding, and fibre breakage were identified as the main failure modes. These insights enhance understanding and optimisation of FRPSSs for improved out-of-plane damage resistance in marine applications.

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Deformation and failure of asymmetric sandwich structures under low-velocity impact

Cited by 2 publications

References 54 publications

The effect of short Kevlar fibers interfacial toughening on impact properties of carbon fiber/aluminum honeycomb sandwich panels

The effect of short Kevlar fibers interfacial toughening on impact properties of carbon fiber/aluminum honeycomb sandwich panels

Dynamic Bending Behaviour of Sandwich Structures for Marine Applications

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