Layered infill area generation from triply periodic minimal surfaces for additive manufacturing

Feng, Jiawei; Fu, Jianzhong; Lin, Zhiwei; Shang, Ce; Niu, Xiaomiao

doi:10.1016/j.cad.2018.09.005

Cited by 39 publications

(14 citation statements)

References 43 publications

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“…Moreover, they are periodic in three independent surfaces. (the concave and convex curvatures are symmetrical at all points) (Feng et al, 2019). The biomorphic geometry that was best imitate the secundum-natural substrate would be continuous through space surface and be divided into two not-necessarily equal subspaces by a non-intersecting two-sided surface.…”

Section: Tpmsmentioning

confidence: 99%

Porous Scaffold Design for Additive Manufacturing in Orthopedics: A Review

Chen

Han

Wang

et al. 2020

Front. Bioeng. Biotechnol.

154

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With the increasing application of orthopedic scaffolds, a dramatically increasing number of requirements for scaffolds are precise. The porous structure has been a fundamental design in the bone tissue engineering or orthopedic clinics because of its low Young's modulus, high compressive strength, and abundant cell accommodation space. The porous structure manufactured by additive manufacturing (AM) technology has controllable pore size, pore shape, and porosity. The single unit can be designed and arrayed with AM, which brings controllable pore characteristics and mechanical properties. This paper presents the current status of porous designs in AM technology. The porous structures are stated from the cellular structure and the whole structure. In the aspect of the cellular structure, non-parametric design and parametric design are discussed here according to whether the algorithm generates the structure or not. The non-parametric design comprises the diamond, the body-centered cubic, and the polyhedral structure, etc. The Voronoi, the Triply Periodic Minimal Surface, and other parametric designs are mainly discussed in parametric design. In the discussion of cellular structures, we emphasize the design, and the resulting biomechanical and biological effects caused by designs. In the aspect of the whole structure, the recent experimental researches are reviewed on uniform design, layered gradient design, and layered gradient design based on topological optimization, etc. These parts are summarized because of the development of technology and the demand for mechanics or bone growth. Finally, the challenges faced by the porous designs and prospects of porous structure in orthopedics are proposed in this paper.

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Section: Tpmsmentioning

confidence: 99%

Porous Scaffold Design for Additive Manufacturing in Orthopedics: A Review

Chen

Han

Wang

et al. 2020

Front. Bioeng. Biotechnol.

154

View full text Add to dashboard Cite

show abstract

“…Therefore, it helps in bone ingrowth. Triply Periodic Minimal Surfaces (TPMS) is a smooth infinite and non-self-intersecting periodic structure in three principal directions associated with crystallographic space group symmetry [68,69]. In 1865-1883, Schwarz and Neovius had introduced some TPMS structures, which are Schwarz P (Primitives), Schwarz D (Diamond), Schwarz H (Hexagonal) and Neovius.…”

Section: Parametric Designmentioning

confidence: 99%

Application of Computational Method in Designing a Unit Cell of Bone Tissue Engineering Scaffold: A Review

et al. 2021

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The design of a scaffold of bone tissue engineering plays an important role in ensuring cell viability and cell growth. Therefore, it is a necessity to produce an ideal scaffold by predicting and simulating the properties of the scaffold. Hence, the computational method should be adopted since it has a huge potential to be used in the implementation of the scaffold of bone tissue engineering. To explore the field of computational method in the area of bone tissue engineering, this paper provides an overview of the usage of a computational method in designing a unit cell of bone tissue engineering scaffold. In order to design a unit cell of the scaffold, we discussed two categories of unit cells that can be used to design a feasible scaffold, which are non-parametric and parametric designs. These designs were later described and being categorised into multiple types according to their characteristics, such as circular structures and Triply Periodic Minimal Surface (TPMS) structures. The advantages and disadvantages of these designs were discussed. Moreover, this paper also represents some software that was used in simulating and designing the bone tissue scaffold. The challenges and future work recommendations had also been included in this paper.

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“…As a new technology, 3D-printing technology is gradually being accepted by engineers, and widely used in medical 6 , aerospace [7][8][9][10] , and other fields. With the development of 3D-printing technology and CAD technology, engineers have applied CAD technology widely in the design of lightweight lattice structures and the industrial design of additive manufacturing [11][12][13][14] . Accordingly, engineers can design more mechanisms that cannot be processed by traditional manufacturing technology that not only meet the requirements of the work, but also provide superior performance.…”

Section: D-printing Process Design Of Lattice Compressor Impeller Bamentioning

confidence: 99%

3D-printing process design of lattice compressor impeller based on residual stress and deformation

Jia

Zhang

2020

Sci Rep

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The application of a lattice structure in the lightweight design of compressor impellers can reduce their mass and moment of inertia, hence improving the effective carrying of aircraft and reducing the start and braking moments of the impeller. The feasibility of a processing-lattice compressor impeller is the prerequisite for its application. To control the residual deformation and residual stress effectively, a computer-aided design technique is used to simulate the manufacturing process of a compressor impeller. The residual deformation and stress of the compressor impeller during the additive manufacturing process is calculated. The material-stacking process and base-plate- and support-removal process of a TiAl6V4 impeller printed by an SLM280 metal 3D printer are simulated by the finite-element method. The results show that some change in the laser printing parameters leads to a significant impact on the residual stress and deformation amplitude of the impeller. The residual deformation and residual stress of the lattice compressor impeller with the same geometrical appearance after processing are less than the corresponding amplitude of the solid compressor impeller, which also shows that the printed lattice compressor impeller can more easily achieve the design requirements.

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Layered infill area generation from triply periodic minimal surfaces for additive manufacturing

Cited by 39 publications

References 43 publications

Porous Scaffold Design for Additive Manufacturing in Orthopedics: A Review

Porous Scaffold Design for Additive Manufacturing in Orthopedics: A Review

Application of Computational Method in Designing a Unit Cell of Bone Tissue Engineering Scaffold: A Review

3D-printing process design of lattice compressor impeller based on residual stress and deformation

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