Mechanical Behaviour of Three Dimensional Lattice Structures

机译：三维晶格结构的力学行为

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In this study, a theoretical analysis for predicting the mechanical properties of three dimensional lattice structures under compressive loading is proposed, and verified by comparing the analytical predictions with FEM results. This theory for estimating the initial stiffness E is based on the classical beam theory, and the one for estimating the plastic collapse strength σ'_(pl) reflects the stress state for each lattice structure. In particular, effects of inner geometry (strand's diameter-to-length ratio and micro-architecture) on the mechanical behaviour are discussed.

机译：在这项研究中，提出了在压缩载荷下预测三维晶格结构力学性能的理论分析，并通过将分析预测与有限元结果进行比较来进行验证。这种用于估计初始刚度E的理论基于经典梁理论，并且一种用于估计塑性塌陷强度σ'_（pl）的理论反映了每个晶格结构的应力状态。特别是，讨论了内部几何形状（钢绞线的直径与长度之比和微结构）对机械性能的影响。

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来源
《Fracture and strength of solids VII》|2010年|p.1302-1307|共6页
会议地点 Kuala Lumpur(MY);Kuala Lumpur(MY)
作者
Kuniharu Ushijima; Dai-Heng Chen; Wesley J. Cantwell;
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作者单位

Kyushu Sangyo University, 2-3-1 Matsukadai, Higashi-ku, Fukuoka 8138503, Japan;

Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 1628601, Japan;

University of Liverpool, Brownlow Hill, Liverpool, L69 3GH, United Kingdom;

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会议组织
原文格式 PDF
正文语种 eng
中图分类工程材料一般性问题;
关键词
Lattice; Plasticity; Finite element method; Structural analysis;

机译：格子;可塑性;有限元法；结构分析;

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Mechanical Behaviour of Three Dimensional Lattice Structures

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