Preparation and Characterization of Color Photocurable Resins for Full-Color Material Jetting Additive Manufacturing

Cheng, Yih‐Lin; Huang, Kuo-Liang

doi:10.3390/polym12030650

Cited by 23 publications

(14 citation statements)

References 19 publications

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“…FFF is the most widespread material extrusion method and it is mainly utilized for printing low-cost functional and prototypes products [9,10]. The employed Material Jetting Printing (MJP) procedure is based on the utilization of inkjet printing techniques in order to selectively deposit droplets through print heads creating that way a physical 3D object [11]. The droplets rapidly polymerized after the deposition process via UV curing.…”

Section: Introductionmentioning

confidence: 99%

Experimental and Computational Investigation of Lattice Sandwich Structures Constructed by Additive Manufacturing Technologies

Kladovasilakis

Charalampous

Tsongas

et al. 2021

JMMP

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Additive Manufacturing (AM) technologies offer the ability to construct complex geometrical structures in short manufacturing lead time coupled with a relatively low production cost when compared to traditional manufacturing processes. The next trend in mechanical engineering design is the adaption of design strategies that build products with lightweight lattice geometries like sandwich structures. These structures possess low mass, large surface area to volume ratio, high porosity, and adequate mechanical behavior, which are properties of great importance in scientific fields such as bioengineering, automotive, and aerospace engineering. The present work is focused on producing sandwich structures with complex lattice patterns like the Triply Periodic Minimal Surface (TPMS) Schwarz diamond structure. The specimens were manufactured with two different Additive Manufacturing procedures employing various relative densities. More specifically, Material Jetting Printing (MJP) and Fused Filament Fabrication (FFF) processes were employed to investigate the performance of Acrylonitrile Butadiene Styrene (ABS) lightweight lattice structures. These structures were examined using digital microscopy in order to measure the dimensional accuracy and the surface characteristics of the utilized AM technologies. Furthermore, three-point bending tests and finite elements analyses have been applied to investigate the mechanical performance of the proposed technologies and designs as well as the influence of the relative density on the Schwarz diamond TPMS structure. The experimental results demonstrate that the investigated structure possesses a remarkable performance in respect to its weight due to the specific distribution of its material in space.

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Section: Introductionmentioning

confidence: 99%

Experimental and Computational Investigation of Lattice Sandwich Structures Constructed by Additive Manufacturing Technologies

Kladovasilakis

Charalampous

Tsongas

et al. 2021

JMMP

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“…Three-dimensional printing technology, also called material jetting printing [ 47 ] or inkjet printing [ 48 ], is an additive manufacturing method that creates structures by selectively gluing polymer or inorganic powders into 3D structures layer by layer. The basic method is to cover the surface of the base with a thin layer of powder.…”

Section: Several Different 3d Printing Technologiesmentioning

confidence: 99%

“…After moving the workstation layer of powder up and down, a thin layer of powder is covered on the adhesive layer and the surface. Step by step, the raw material of unbound powder is finally removed, and a 3D model is constructed [ 47 ]. This technology is usually used in combination with other technologies, such as high temperature burning [ 49 ], stereolithography [ 50 ], or electro-hydro dynamic jetting [ 51 ], etc.…”

Section: Several Different 3d Printing Technologiesmentioning

confidence: 99%

Applications of 3D printed bone tissue engineering scaffolds in the stem cell field

Wang

Guo

2021

Regenerative Therapy

123

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Due to traffic accidents, injuries, burns, congenital malformations and other reasons, a large number of patients with tissue or organ defects need urgent treatment every year. The shortage of donors, graft rejection and other problems cause a deficient supply for organ and tissue replacement, repair and regeneration of patients, so regenerative medicine came into being. Stem cell therapy plays an important role in the field of regenerative medicine, but it is difficult to fill large tissue defects by injection alone. The scientists combine three-dimensional (3D) printed bone tissue engineering scaffolds with stem cells to achieve the desired effect. These scaffolds can mimic the extracellular matrix (ECM), bone and cartilage, and eventually form functional tissues or organs by providing structural support and promoting attachment, proliferation and differentiation. This paper mainly discussed the applications of 3D printed bone tissue engineering scaffolds in stem cell regenerative medicine. The application examples of different 3D printing technologies and different raw materials are introduced and compared. Then we discuss the superiority of 3D printing technology over traditional methods, put forward some problems and limitations, and look forward to the future.

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“…There are many factors that influence the quality of color reproduction throughout the full-color 3D printing process, but paper-based full-color 3D printing color reproduction is easier to approach than the color evaluation criteria of the 2D printing field [ 12 , 13 , 14 , 15 ]. However, the complex geometry and uneven optical characteristics of 3D-printed products and even more material components lead to the fundamental differences between full-color 3D printing and 2D printing [ 16 ].…”

Section: Introductionmentioning

confidence: 99%

Advanced Surface Color Quality Assessment in Paper-Based Full-Color 3D Printing

Tian

Yuan

et al. 2021

Materials

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Color 3D printing allows for 3D-printed parts to represent 3D objects more realistically, but its surface color quality evaluation lacks comprehensive objective verification considering printing materials. In this study, a unique test model was designed and printed using eco-friendly and vivid paper-based full-color 3D printing as an example. By measuring the chromaticity, roughness, glossiness, and whiteness properties of 3D-printed surfaces and by acquiring images of their main viewing surfaces, this work skillfully explores the correlation between the color representation of a paper-based 3D-printed coloring layer and its attached underneath blank layer. Quantitative analysis was performed using ∆E*ab, feature similarity index measure of color image (FSIMc), and improved color-image-difference (iCID) values. The experimental results show that a color difference on color-printed surfaces exhibits a high linear correlation trend with its FSIMc metric and iCID metric. The qualitative analysis of microscopic imaging and the quantitative analysis of the above three surface properties corroborate the prediction of the linear correlation between color difference and image-based metrics. This study can provide inspiration for the development of computational coloring materials for additive manufacturing.

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Preparation and Characterization of Color Photocurable Resins for Full-Color Material Jetting Additive Manufacturing

Cited by 23 publications

References 19 publications

Experimental and Computational Investigation of Lattice Sandwich Structures Constructed by Additive Manufacturing Technologies

Experimental and Computational Investigation of Lattice Sandwich Structures Constructed by Additive Manufacturing Technologies

Applications of 3D printed bone tissue engineering scaffolds in the stem cell field

Advanced Surface Color Quality Assessment in Paper-Based Full-Color 3D Printing

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