类魔方式的多孔超材料设计及可调控弹性模量的研究

doi:10.11896/cldb.23120207

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Abstract By taking advantage of the characteristics of the cube's diverse changing modes and ignoring the influence of the spherical volume of the Rubik's slide rail, the subblocks of the cube are replaced with porous units. Through modeling, simulation and calculation, the elastic modulus of the Rubik's Cube-like composite structure under different programming modes is studied. Finally, it is verified that under the same forming material, the Rubik's Cube-like composite structure can effectively regulate its overall elastic modulus by changing its combination mode. The larger the difference in the volume fraction of the subunits, the larger the elastic modulus span of the whole structure, and the elastic modulus of the face-centered cubic lattice is larger than that of the cubic lattice span. When the ratio of upper and lower volume fraction of the face-centered cubic lattice substructure is 1∶9, the elastic modulus of the whole composite structure is minimum 2.2 MPa and maximum 54.29 MPa. The porous Rubik's Cube structure proposed in this work is expected to realize multiple programmable elastic moduli of the same substructure, and can be used as a multi-functional material in medical, aerospace, mechanical manufacturing and other fields.

Key words： porous structure Rubik's Cube combination design elastic modulus

Published: 10 April 2025 Online: 2025-04-10

CLC number:

TH145

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	Articles by authors
	HUANG Kunpeng
	ZHANG Yubo
	YANG Nan

Cite this article:

HUANG Kunpeng,ZHANG Yubo,YANG Nan. Design of Rubik's Cube-like Porous Metamaterials and Study on Their Adjustable Elastic Modulus[J]. Materials Reports, 2025, 39(7): 23120207-9.

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https://www.mater-rep.com/EN/10.11896/cldb.23120207 OR https://www.mater-rep.com/EN/Y2025/V39/I7/23120207

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