Crystal-twinning inspired lattice metamaterial for high stiffness, strength, and toughness

Kanghui Song,Dawei Li,Tingting Liu,Changdong Zhang,Yi Min Xie,Wenhe Liao

Materials & Design（2022）

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摘要

•Lattice metamaterial structural optimization method inspired by crystal twinning boundaries.•The theoretical formulae for truss lattices are deduced to guide the optimization design.•A novel multi-scale strategy for lattice structure design to improve stiffness, strength, and toughness simultaneously.

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关键词

Lattice metamaterial design,Crystal twinning boundary,Enhanced strength, stiffness, and toughness,Multi-scale design,Novel lattice

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