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Study on mechanical and permeability property of gradient multi-porous scaffold based on triply periodic minimal surface
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Shikun QIN, Mingde DUAN, Shijie LIANG, Hui ZHANG, Zhuangya ZHANG
Journal of Mechanical Strength | 2025, 47(3) : 51 - 59
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Journal of Mechanical Strength | 2025, 47(3): 51-59
• Experimental Research·Testing Technology •
Study on mechanical and permeability property of gradient multi-porous scaffold based on triply periodic minimal surface
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Shikun QIN, Mingde DUAN, Shijie LIANG, Hui ZHANG, Zhuangya ZHANG
Affiliations
  • School of Mechatronics Engineering, Henan University of Science and Technology, Luoyang 471003, China
Published: 2025-03-15 doi: 10.16579/j.issn.1001.9669.2025.03.006
Outline
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In order to construct a bone scaffold structure with good biological properties, P-type, FRD-type homogeneous multi-porous scaffolds and P&FRD gradient multi-porous scaffolds with different porosities and unit cell scales were designed based on the triply periodic minimal surface（TPMS）.The effects of unit cell types, porosities and unit cell scales on the mechanical and biological properties of TPMS multi-porous scaffolds were investigated by tests and finite element simulation.The results show that the internal pores of homogeneous and gradient multi-porous scaffolds based on TPMS have good connectivity.The mechanical properties of multi-porous scaffolds decrease with the increase of porosity, but the permeability increases with the increase of porosity.Increasing the unit cell scale can significantly improve the permeability of multi-porous scaffolds.The permeability of the gradient multi-porous scaffold is also affected by the seepage direction.The gradient multi-porous scaffolds can synthesize the performance characteristics of each homogeneous unit cell structure, and show different mechanical and biological properties in different regions of the scaffold, which is closer to the structure and biological properties of human bone.

Triply periodic minimal surface  /  Gradient multi-porous scaffold  /  Mechanical property  /  Permeability
Shikun QIN, Mingde DUAN, Shijie LIANG, Hui ZHANG, Zhuangya ZHANG. Study on mechanical and permeability property of gradient multi-porous scaffold based on triply periodic minimal surface[J]. Journal of Mechanical Strength, 2025 , 47 (3) : 51 -59 . DOI: 10.16579/j.issn.1001.9669.2025.03.006
Funding
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  • Henan Province Key Science and Technology Research Project(212102210064)
  • Joint Fund of Science and Technology Research and Development Plan of Henan Provincial(222103810030)
  • Key Research Projects of Higher Education Institutions of Henan Province(20A460012)
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Year 2025 volume 47 Issue 3
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Article Info
doi: 10.16579/j.issn.1001.9669.2025.03.006
  • Receive Date：2023-07-06
  • Online Date：2026-03-17
  • Published：2025-03-15
Article Data
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History
  • Received：2023-07-06
  • Revised：2023-08-06
Funding
Henan Province Key Science and Technology Research Project(212102210064)
Joint Fund of Science and Technology Research and Development Plan of Henan Provincial(222103810030)
Key Research Projects of Higher Education Institutions of Henan Province(20A460012)
Affiliations
    School of Mechatronics Engineering, Henan University of Science and Technology, Luoyang 471003, China

Corresponding:

DUAN Mingde, E-mail：
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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