Designs, advancements, and applications of three-dimensional printed gyroid structures: A review

Chouhan, Ganesh; Murali, Gunji Bala

doi:10.1177/09544089231160030

Cited by 10 publications

(6 citation statements)

References 197 publications

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“…One of the most frequently used structures is the gyroid and various areas of its use are being investigated. Several authors have addressed the influence of gyroid parameters [ 25 , 26 ] on the mechanical properties of a designed structure [ 27 , 28 , 29 , 30 ] and on dimensional analysis depending on production technology and the material used [ 31 , 32 , 33 ]. This paper focuses on specimens’ metrological analysis with different relative densities manufactured using material extrusion technology from the Flexfill 92A material with the intent to provide methodological instructions for industrial computer tomography use in the assessment of objects produced by additive manufacturing.…”

Section: Discussionmentioning

confidence: 99%

Surface Evaluation of Gyroid Structures for Manufacturing Rubber–Textile Conveyor Belt Carcasses Using Micro-CT

Tkac,

Toth,

Fedorko

et al. 2023

Polymers

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Gyroid structures are among the most widely used three-dimensional elements produced by various additive manufacturing technologies. This paper focuses on a metrological analysis of Flexfill 92A material specimens with a relative density (25 to 85%) using industrial computer tomography. The results show that for a given structure, the best method is to use surface determination with the closure of internal defects in the material. The analysis implies that the smallest deviations of the specimens’ external dimensions were achieved with respect to the CAD model at the highest relative densities. The wall thickness shows the smallest percentage change of 0.5685 at 45% relative density and the largest at 25% and 85% relative density. The nominal–actual comparison of manufactured specimens to the CAD model shows the smallest cumulative deviation of 0.209 mm at 90% and 25% relative density, while it slightly increases with increasing relative density. All produced specimens have a smaller material volume than their theoretical volume value, while the percentage change in volume is up to 8.6%. The surface of specimens is larger compared with the theoretical values and the percentage change reaches up to 25.3%. The percentage of pores in the specimens increases with increasing relative density and reaches 6%. The acquired knowledge will be applied in the framework of research focused on the possibilities of using additive manufacturing to produce a skeleton of rubber–textile conveyor belts. This paper presents initial research on the possibility of replacing the carcass of rubber–textile belts with an additive technology use.

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Section: Discussionmentioning

confidence: 99%

Surface Evaluation of Gyroid Structures for Manufacturing Rubber–Textile Conveyor Belt Carcasses Using Micro-CT

Tkac,

Toth,

Fedorko

et al. 2023

Polymers

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“…Chouhan et. al studied surface defects of Gyroid TPMS through varied thicknesses produced with SLA [29].…”

Section: Introductionmentioning

confidence: 99%

Triply periodic minimal surfaces based functionally graded biomimetic scaffold fabrication via stereolithography

Adugna,

Lemu,

Hagland

2023

IOP Conf. Ser.: Mater. Sci. Eng.

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Triply Periodic Minimal Surfaces (TPMS), a class of intricate mathematical surfaces, have emerged as a promising framework for scaffold design due to their ability to replicate the complex geometries found in biological structures. Four TPMS structures, the Schwarz Diamond (D), Schwarz Primitive (P), Gyroid, and IWP (I-wrapped package) were designed for both uniform and graded density and additively manufactured through Stereolithography based additive manufacturing (AM) techniques using biomedical graded material. Two different mechanical tests, tensile and compression tests were examined on the TPMS structure to study their mechanical properties. The results showed that Schwarz D and IWP TPMS show greater tensile strength for both uniform and graded structures with 18.22 MPa and 14.41 MPa in uniform structures and 9.89 MPa and 9.23 MPa in graded structures of Schwarz D and IWP respectively. Uniform TPMSs show overall tensile strength over the graded TPMS. Compressive properties also show that Schwarz D and IWP TPMS have greater compressive strength in both uniform and graded TPMS, where overall graded structures show better strength over the uniform. Graded Schwarz D observed to have 100.68 MPa, and IWP TPMS has 99.57 MPa, and uniform Schwarz D has 33.94 MPa, whereas IWP TPMS shows 31.82 MPa compressive strength. Results reinforce the structure’s suitability for scaffold applications, particularly in contexts demanding robust mechanical integrity. The application of SLA AM with biomedical-graded material strengthens the viability in areas like tissue engineering and regenerative medicine.

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“…In addition to having parallel surface symmetry lines, the gyroid is notable for having no right-angle portions on its surface. 20 Gyroid has been an ideal selection for various applications in different fields, where strength is constrained. According to an experimental finding by Alizadeh-Osgouei et al, 8 a polylactic acid (PLA) gyroid structure with different unit cell sizes and porosities exhibits almost similar mechanical properties comparable to the cancellous bone.…”

Section: Introductionmentioning

confidence: 99%

Uniform and graded bio-inspired gyroid lattice: Effects of post-curing and print orientation on mechanical property

Chouhan,

Bala Murali

2023

Proceedings of the Institution of Mechanical Engineers, Part L:

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Additive manufacturing is spreading rapidly because it offers great design freedom in creating intricate lightweight shapes using lattice structures that offer numerous possibilities, including applications in aerospace, automotive, and electronics where mechanical properties are paramount. In this paper, inspired by the wing scale of the C. Rubi butterfly, unique uniform and density-graded gyroid lattice structures were proposed. This research designed the uniform gyroid lattice structure with two design configurations of unit cell sizes (4, 6, and 8) and solidity percentages (20, 30, 40, and 50) and density-graded gyroid with a solidity range of 20–80% in a constant volume of 30*30*30 mm. The designs have been modeled in nTopology software and manufactured using the Vat polymerization additive manufacturing technique with two printing orientations (0° and 25°). Two sets of the samples were printed, and one group was given postcuring treatment at 80°C for 2 hours. Quasi-static compression testing was performed to investigate the improvement in mechanical characteristics due to postcuring treatment and print orientation. The results indicate significant relationships between design parameters and mechanical performance. The density-graded gyroid lattice exhibits four times higher compressive strength than higher solidity uniform gyroid samples (UC-8-solidity-40 and 50%) when subjected to the same or less mass. In addition, debonding of connecting surfaces due to higher postcuring temperature, and better performance of horizontally printed samples have been addressed. Moreover, simulation and experimental deformation patterns for uniform and graded gyroid lattice structures have been displayed.

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Designs, advancements, and applications of three-dimensional printed gyroid structures: A review

Cited by 10 publications

References 197 publications

Surface Evaluation of Gyroid Structures for Manufacturing Rubber–Textile Conveyor Belt Carcasses Using Micro-CT

Surface Evaluation of Gyroid Structures for Manufacturing Rubber–Textile Conveyor Belt Carcasses Using Micro-CT

Triply periodic minimal surfaces based functionally graded biomimetic scaffold fabrication via stereolithography

Uniform and graded bio-inspired gyroid lattice: Effects of post-curing and print orientation on mechanical property

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