Mechanical responses and energy absorption characteristics of a novel functionally graded voxel lattice structure

Sihang Xiao,Qi Li,Heran Jia,Fei Wang,Jingjing Gao,Wenliang Lv,Junfeng Qi,Shengyu Duan,Panding Wang,Hongshuai Lei

Thin-Walled Structures（2023）

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摘要

•A novel voxel lattice is designed and three types of graded schemes are proposed.•A relative density theoretical model with high accuracy is established.•Mechanical performances are studied numerically and experimentally.•The graded structure exhibits 20.3 % enhanced SEA compared to uniform structure.

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关键词

Lattice structure,Relative density gradient,Mechanical performance,Deformation mode,Energy absorption

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