Quasi-static and dynamic compression behavior of 3D-printed TPMS–Gyroid cellular material

IF 8.3 1区工程技术 Q1 ENGINEERING, CIVIL

Thin-Walled Structures Pub Date : 2026-05-01 Epub Date: 2026-02-16 DOI:10.1016/j.tws.2026.114681

Wenfang Yuan , Kefeng Peng , Yuying Ma , Yuxuan Zheng , Baixue Chang , Zhijun Zheng

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引用次数: 0

Abstract

TPMS–Gyroid cellular materials demonstrate excellent performance in terms of specific strength and energy absorption, making them ideal candidate materials for lightweight protective structure design. The mechanical response of Gyroid cellular material under quasi-static compression, direct impact, and mass impact was experimentally investigated in this study. Constitutive models were employed to characterize the mechanical response and power-law relationships between their material parameters and the relative density were obtained. Cellular specimens were fabricated from PLA and tested by using the Taylor–Hopkinson pressure bar experimental technique combined with high-speed photography. In experimental tests, two deformation patterns were observed: a topology-dominated, random, layered collapse under quasi-static loading and an inertia-dominated, layer-by-layer collapse under dynamic impact. The initial crush stress and strain-hardening parameter, and their power-law density dependence, were determined. Experimental tests involving both large-mass, low-velocity and small-mass, high-velocity impacts confirmed that the dynamic constitutive model of Gyroid cellular material demonstrated excellent predictive performance. Therefore, the feasibility and reliability of the constitutive relationship for Gyroid cellular materials were verified, and the resulting shock models can guide the design of protective structures in engineering practice.

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3d打印TPMS-Gyroid细胞材料的准静态和动态压缩行为

TPMS-Gyroid细胞材料在比强度和能量吸收方面表现出优异的性能，使其成为轻量化防护结构设计的理想候选材料。实验研究了Gyroid细胞材料在准静态压缩、直接冲击和质量冲击下的力学响应。采用本构模型表征其力学响应，得到了材料参数与相对密度之间的幂律关系。采用聚乳酸制备细胞标本，采用Taylor-Hopkinson压杆实验技术结合高速摄影技术进行实验。在实验测试中，观察到两种变形模式：准静态载荷下拓扑主导的随机分层坍塌和动态冲击下惯性主导的逐层坍塌。确定了初始破碎应力和应变硬化参数及其与密度的幂律关系。大质量低速撞击和小质量高速撞击的实验测试证实，Gyroid细胞材料的动态本构模型具有良好的预测性能。从而验证了Gyroid蜂窝材料本构关系的可行性和可靠性，所建立的冲击模型可以指导工程实践中防护结构的设计。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Thin-Walled Structures 工程技术-工程：土木

CiteScore

9.60

自引率

20.30%

发文量

801

审稿时长

66 days

期刊介绍： Thin-walled structures comprises an important and growing proportion of engineering construction with areas of application becoming increasingly diverse, ranging from aircraft, bridges, ships and oil rigs to storage vessels, industrial buildings and warehouses. Many factors, including cost and weight economy, new materials and processes and the growth of powerful methods of analysis have contributed to this growth, and led to the need for a journal which concentrates specifically on structures in which problems arise due to the thinness of the walls. This field includes cold– formed sections, plate and shell structures, reinforced plastics structures and aluminium structures, and is of importance in many branches of engineering. The primary criterion for consideration of papers in Thin–Walled Structures is that they must be concerned with thin–walled structures or the basic problems inherent in thin–walled structures. Provided this criterion is satisfied no restriction is placed on the type of construction, material or field of application. Papers on theory, experiment, design, etc., are published and it is expected that many papers will contain aspects of all three.