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Mechanical property of all-composite diamond honeycomb sandwich structure based on interlocking technology: Experimental tests and numerical analysis

In this study, a three-rib intersecting composite diamond honeycomb structure is fabricated by interlocking technology. The mechanical properties of the composite interlocked diamond honeycomb (CIDH) and corresponding sandwich structure (CIDHSS) are experimentally tested. The stiffness, strength, an...

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Bibliographic Details
Published in:Mechanics of advanced materials and structures 2024-03, Vol.31 (5), p.973-989
Main Authors: Song, Shijun, Xiong, Chao, Yin, Junhui, Zhang, Sa
Format: Article
Language:English
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Summary:In this study, a three-rib intersecting composite diamond honeycomb structure is fabricated by interlocking technology. The mechanical properties of the composite interlocked diamond honeycomb (CIDH) and corresponding sandwich structure (CIDHSS) are experimentally tested. The stiffness, strength, and failure characteristics of CIDH and CIDHSS are analyzed. The results show that CIDH has better mechanical properties than the interlocked Kagome and square honeycombs. The edge effect limits the edge compressive strength and stiffness of CIDH. Debonding is the main failure mode that limits both bending and compressive strength of CIDHSS. The reinforced plate added to the edge effectively improves the anti-debonding ability.
ISSN:1537-6494
1537-6532
DOI:10.1080/15376494.2022.2128123