期刊
JOURNAL OF REINFORCED PLASTICS AND COMPOSITES
卷 41, 期 1-2, 页码 46-63出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/07316844211026009
关键词
Nomex honeycomb sandwich; four-point bending; failure type; critical relationship; failure map
资金
- Ministry of Education, China
- National Natural Science Foundation of China [51775558]
- Nature Science Foundation for Excellent Youth Scholars of Hunan Province [2019JJ30034]
- Shenghua Yu-ying Talents Program of the Central South University
- Fundamental Research Funds for the Central Universities of Central South University [2021zzts0161]
The study compared the bending performance of Nomex honeycomb sandwich panels (NHSP) with different specifications and directions to reveal the relationship between four-point bending behavior and structural parameters. The research quantified the ability of NHSP to enhance the strength and stiffness of bare honeycombs and aluminum plates, and derived critical relationships of each failure type under four-point loading conditions, providing guidance for optimal design in practical applications.
In order to reveal the relationship between the four-point bending behaviour and structural parameters of Nomex honeycomb sandwich panels (NHSP), a comparison of the bending performance of sandwich panels with different specifications and directions was conducted. The ability of NHSP to improve the strength and stiffness of bare honeycombs and aluminium plates was also quantified. Furthermore, based on experimental data and existing theories, the critical relationship of each failure type of NHSP under four-point loading conditions was derived. The drawn bending failure map reveals the relationship between core layer performance parameters and failure types, which can provide guidance for the optimal design of sandwich structure in practical application.
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