Continuous 3D printing of microstructured multifunctional materials

Guan, Li-Zhi; Fan, Jingbo; Chan, Xin Ying; Ferrand, Hortense Le

doi:10.1016/j.addma.2022.103373

Cited by 4 publications

(2 citation statements)

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“…12 Guan et al developed an extrusion-based 3D printing method that employed magnetic fields below 100 mT to continuously print materials with local orientation of highly concentrated 2D microparticles. 13 Hofer et al demonstrated the feasibility of fabricating textured alumina using a lithography-based ceramic manufacturing process. Their approach involved vat rotation and platform immersion to align alumina templates during printing, followed by templated grain growth during sintering to achieve a high degree of texture.…”

Section: ■ Introductionmentioning

confidence: 99%

“…A similar approach was used to align discontinuous fibers in lithography-based 3D printing . Guan et al developed an extrusion-based 3D printing method that employed magnetic fields below 100 mT to continuously print materials with local orientation of highly concentrated 2D microparticles . Hofer et al demonstrated the feasibility of fabricating textured alumina using a lithography-based ceramic manufacturing process.…”

Section: Introductionmentioning

confidence: 99%

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3D-Printed Ceramics with Aligned Micro-Platelets

Myles

Griffith

Riyad

et al. 2023

ACS Appl. Eng. Mater.

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Biological materials, such as seashells, exhibit distinct microstructures in which (bio)ceramic micro-platelets are aligned, resulting in desirable mechanical properties when combined with other materials in the composite form. The manufacturing of synthetic counterparts often involves various methods capable of large-scale particle alignment, such as freeze-casting, tape casting, and magnetic assembly. However, these methods are often limited to simple geometries or require specialized printers with magnetic control capability and magnetized platelets. In this study, we report on 3D-printed alumina with aligned micro-platelets achieved using the vat photopolymerization process. Notably, our approach relies solely on the shear flow in the resin induced by the motion of the printer build plate in lower-cost printers without a doctor blade. This process holds significant potential for the development of ceramic and composite parts with controlled microstructures, particularly for the manufacturing of bioinspired structural and functional composites.

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Section: ■ Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%