Design principles for dual-phase lattice cylindrical tubes with excellent energy absorption capability

IF 6.3 2区材料科学 Q1 MATERIALS SCIENCE, COMPOSITES

Composite Structures Pub Date : 2025-02-27 DOI:10.1016/j.compstruct.2025.119015

Yuan Tian , Huitian Wang , Zhuo Chen , Qianqian Wu , Sha Yin

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Abstract

To further increase specific energy absorption capacity of lattice materials, this study proposed dual-phase lattice cylindrical tubes (DPLCTs) that emulated the sinusoidal-helicoidal architecture of the peacock mantis shrimp. The metamaterial composites were printed from austenitic stainless steel using additive manufacturing and compressed. Quasi-static axial compression tests revealed that DPLCTs exhibited higher specific energy absorption (SEA) than the corresponding single-phase lattice cylindrical tubes (SPLCTs). Those with the largest amplitude-to-width ratio, exhibited superior specific energy absorption, respectively 74 % and 14 % greater than that of matrix phase (MP) and reinforcement phase (RP) based SPLCTs. After the incorporation of the second phase, more complex deformation modes were observed associated with truss plastic buckling or twisting, RP grain rotation or connected RP grains moving along the phase boundary. In addition to the previously reported interaction deformation mechanism of “phase boundary slip”, “reinforcement phase rotation” was observed as another deformation mechanism, which could improve the energy absorption capability by postponing densification strain. Together with computational analysis, the interaction deformation mechanism was found to vary depending on amplitude-to-width ratio (γ). Finally, design principles for lattice cylindrical tubes with greater energy absorption capability were summarized. The study will provide further guidance for the development of impact-resistant engineering structures.

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来源期刊

Composite Structures 工程技术-材料科学：复合

CiteScore

12.00

自引率

12.70%

发文量

1246

审稿时长

78 days

期刊介绍： The past few decades have seen outstanding advances in the use of composite materials in structural applications. There can be little doubt that, within engineering circles, composites have revolutionised traditional design concepts and made possible an unparalleled range of new and exciting possibilities as viable materials for construction. Composite Structures, an International Journal, disseminates knowledge between users, manufacturers, designers and researchers involved in structures or structural components manufactured using composite materials. The journal publishes papers which contribute to knowledge in the use of composite materials in engineering structures. Papers deal with design, research and development studies, experimental investigations, theoretical analysis and fabrication techniques relevant to the application of composites in load-bearing components for assemblies, ranging from individual components such as plates and shells to complete composite structures.