Analysis of impact of manufacturing defects on bearing capacity of carbon fiber aluminum honeycomb sandwich structures

SHEN Qin; LU Qiang; LI Junli; LIU Gang

doi:10.12299/jsues.23-0229

Volume 38 Issue 4

Dec. 2024

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SHEN Qin, LU Qiang, LI Junli, LIU Gang. Analysis of impact of manufacturing defects on bearing capacity of carbon fiber aluminum honeycomb sandwich structures[J]. Journal of Shanghai University of Engineering Science, 2024, 38(4): 400-405. doi: 10.12299/jsues.23-0229

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SHEN Qin, LU Qiang, LI Junli, LIU Gang. Analysis of impact of manufacturing defects on bearing capacity of carbon fiber aluminum honeycomb sandwich structures[J]. Journal of Shanghai University of Engineering Science, 2024, 38(4): 400-405. doi: 10.12299/jsues.23-0229

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Analysis of impact of manufacturing defects on bearing capacity of carbon fiber aluminum honeycomb sandwich structures

doi: 10.12299/jsues.23-0229

School of Mechanical and Automotive Engineering , Shanghai University of Engineering Science, Shanghai 201620, China

Received Date: 2023-11-16
Publish Date: 2024-12-31

Abstract

Abstract

To investigate reasons for the impact of manufacturing defects on bearing performance of carbon fiber aluminum honeycomb sandwich structures, flat compression tests and three-point bending tests under quasi-static conditions were conducted on these structures with glued joints, the different forms of debonding failure existing in the same batch and size were analyzed. The trends of peak load and average load generated by the sandwich structure were observed and compared with the load-displacement curves of non-debonded specimens simulated using Abaqus CAE software, to study the changes in its bearing capacity. The results show that sandwich structures with manufacturing defects exhibit different forms of debonding and have lower bearing capacity than non-debonded specimens, which can provide a basis for improving the fabrication process and have great significance for broadening its application ares.
- carbon fiber aluminum honeycomb sandwich structures,
- gluing defects,
- simulation

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References(20)

References

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