Influence of boundary masks on dimensions and surface roughness using segmented exposure in ceramic 3D printing

Wu, Xiaoqing; Lian, Qin; Li, Dichen; He, Xiaoning; Meng, Jiali; Liu, Xiaodong; Zhang, Jin

doi:10.1016/j.ceramint.2018.11.031

Cited by 38 publications

(19 citation statements)

References 20 publications

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“…An increase in the concentration of Disperbyk-111 caused a decrease in viscosity and 3 wt% of this dispersant provided a 40 vol% ceramic slurry viscosity suitable for the suitable for DLP additive manufacturing (2.3 Pa.s at 30 s -1 ). The shear-thinning behavior presented by these suspensions is characteristic of VP ceramic slurries 21,42,43,47,[49][50][51][52][53] . Such behavior is desirable in VP 1,54,55 because it avoids sedimentation of the suspension in a stationary state, and adequate flow when a shear rate is applied to the slurry 32 .…”

Section: Influence Of Dispersant Concentrationmentioning

confidence: 92%

“…The monomer 1,6-hexanediol diacrylate (HDDA) has been used in the vast majority of such work due to its low viscosity and its ability to form crosslinked organic networks 18 . HDDA has been used in association with other monomers such as ethoxylated pentaerythritol tetraacrylate (EPTA) 19,20 , polyethylene glycol diacrylate PEGDA 17 , ethoxylated pentaerythritol tetraacrylate (PPTTA) [21][22][23] , and 1,1,1-Trimethylol propane triacrylate (TMPTA) 4, 24,25 , or as a single monomer [26][27][28] . Moreover, an appropriate photoinitiator must be chosen to initiate the photopolymerization reactions, considering mainly its compatibility with the adopted monomers and the relationship between its light absorption spectrum and the wavelength emitted by the light source 29,30 .…”

Section: Introductionmentioning

confidence: 99%

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3Y-TZP DLP Additive Manufacturing: Solvent-free Slurry Development and Characterization

Camargo

Erbereli

Taylor³

et al. 2021

Mat. Res.

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Vat photopolymerization (VP) stands out among ceramic additive manufacturing processes for its ability to print sub-100 micrometer complex features. One of the main challenges of this process is the preparation of a homogeneous and stable ceramic slurry with a high solid load and low viscosity. In this work, different dispersants and resins were tested, aiming to provide a solvent-free slurry suitable for DLP additive manufacturing. Disperbyk-111 and PEGDA 250 stood out in the tests, providing a 40 vol% ceramic slurry with no noticeable sedimentation and viscosity of 2.3 Pa.s at 30 s -1 despite the relatively high specific surface area (15 m 2 /g) of the 3Y-TZP powder used compared to powders usually used for VP slurries. The adsorption of Disperbyk-111 on ceramic particles surface was investigated by FTIR. Finally, ceramic bodies were 3D printed, debound and sintered at 1500 ºC for 2 h, confirming the ability to manufacture detailed dense ceramic parts.

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Section: Influence Of Dispersant Concentrationmentioning

confidence: 92%

Section: Introductionmentioning

confidence: 99%

3Y-TZP DLP Additive Manufacturing: Solvent-free Slurry Development and Characterization

Camargo

Erbereli

Taylor³

et al. 2021

Mat. Res.

View full text Add to dashboard Cite

show abstract

“…Vat photopolymerization (VP) of ceramics can produce dense parts [4,166,175,[179][180][181][182][183][184][185][186][187][188][189][190][191] (>99%) with mechanical strength comparable to those of conventional methods. For example, some works have reported zirconia with flexural strength greater than 700 MPa [166,182,183,189] and may exceed 1000 MPa [188,192].…”

Section: Vat Photopolymerizationmentioning

confidence: 99%

A review on the ceramic additive manufacturing technologies and availability of equipment and materials

2022

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Ceramic additive manufacturing allows the fabrication of small series of complex parts without the high costs of molds usually associated with traditional ceramic processing. Although research into ceramic 3D printing by all technologies started back in the 90s, its industrial application is still quite restricted when compared to polymers and metals, which is related to the limited availability and costs of equipment and materials for such applications. This review examined the advantages and limitations of each process (binder jetting, direct ink writing, directed energy deposition, fused deposition, material jetting, selective laser sintering, selective laser melting, and vat photopolymerization), discussing their particularities. It also summarized the commercially available 3D printers and raw materials for ceramic processing, pointing out to trends and challenges of each technology.

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“…Many filaments can be used as a base material for 3D printing, such as ABS, PLA, PC, PEKK, dan PETG, etc. [4], [5].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Nozzle Temperature, Infill Geometry, Layer Height and Fan Speed on Roughness Surface in PETG Filament

Taqdissillah

Muttaqin

Darsin

et al. 2022

JMEST

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3D printing is a process of making three-dimensional solid objects from a digital file process created by laying down successive layers of material until the object is created. Many filaments can be used in 3D printing, one of which is PETG (PolyEthylene Terephthalate Glycol). PETG is a modification of PET (PolyEthylene Terephthalate) with added glycol at a molecular level to offer different chemical properties that provide significant chemical resistance, durability, and excellent formability for manufacturing. This study aims to find the most optimal parameter of surface roughness of PETG with different parameters of nozzle temperature, infill geometry, layer height and fan speed. Taguchi L16 (44), with four levels for each parameter, was used to determine the effect of each parameter. Each experiment was repeated five times to minimize the occurrence of errors. Based on the result, the effect of each parameter is nozzle temperature at 4.9%, infill geometry at 5.9%, layer height at 82.3%, and fan speed at 4.6%. Layer height has the highest effect on surface roughness, and other parameters have a low effect, under 7%. Research shows that the optimal combination of parameters is a nozzle temperature of 220 °C, infill geometry zig-zag, layer height of 0.12 mm, and a fan speed of 80 %.

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Influence of boundary masks on dimensions and surface roughness using segmented exposure in ceramic 3D printing

Cited by 38 publications

References 20 publications

3Y-TZP DLP Additive Manufacturing: Solvent-free Slurry Development and Characterization

3Y-TZP DLP Additive Manufacturing: Solvent-free Slurry Development and Characterization

A review on the ceramic additive manufacturing technologies and availability of equipment and materials

The Effect of Nozzle Temperature, Infill Geometry, Layer Height and Fan Speed on Roughness Surface in PETG Filament

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