Influence of the Nozzle Shape on the Breakup Behavior of Continuous Ink Jets

Rosello, Maxime; Maîtrejean, Guillaume; Roux, Denis; Jay, Pascal; Barbet, Bruno; Xing, Jean

doi:10.1115/1.4037691

Cited by 23 publications

(14 citation statements)

References 22 publications

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“…Depending on how the droplets are yielded, inkjet printing comprises two common subsets: continuous inkjet (CIJ) printing [ 67 ] and drop‐on‐demand (DOD) inkjet printing. [ 68 ] During CIJ printing, the fluidic inks are continuously pushed through the jetting printheads to form droplets due to the capillary‐driven Rayleigh instability.…”

Section: Methods For 3d Printing Hydrogelsmentioning

confidence: 99%

“…Note that complex motions in the X-Y-Z three-axis occur during inkjet printing: the jetting printheads move in the XY plane to create 2D patterns, whereas the build stage moves along the Z-axis to facilely stack the printed structures. [66] Depending on how the droplets are yielded, inkjet printing comprises two common subsets: continuous inkjet (CIJ) printing [67] and drop-on-demand (DOD) inkjet printing. [68] During CIJ printing, the fluidic inks are continuously pushed through the jetting printheads to form droplets due to the capillary-driven Rayleigh instability.…”

Section: Inkjet Printingmentioning

confidence: 99%

See 1 more Smart Citation

3D Printing of Hydrogels for Stretchable Ionotronic Devices

Wang

Zhang

et al. 2021

Adv Funct Materials

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In the booming development of flexible electronics represented by electronic skins, soft robots, and human-machine interfaces, 3D printing of hydrogels, an approach used by the biofabrication community, is drawing attention from researchers working on hydrogel-based stretchable ionotronic devices. Such devices can greatly benefit from the excellent patterning capability of 3D printing in three dimensions, as well as the free design complexity and easy upscale potential. Compared to the advanced stage of 3D bioprinting, 3D printing of hydrogel ionotronic devices is in its infancy due to the difficulty in balancing printability, ionic conductivity, shape fidelity, stretchability, and other functionalities. In this review, a guideline is provided on how to utilize the power of 3D printing in building high-performance hydrogelbased stretchable ionotronic devices mainly from a materials' point of view, highlighting the systematic approach to balancing the printability, printing quality, and performance of printed devices. Various 3D printing methods for hydrogels are introduced, and then the ink design principles, balancing printing quality, printed functions, such as elastic conductivity, self-healing ability, and device (e.g., flexible sensors, shape-morphing actuators, soft robots, electroluminescent devices, and electrochemical biosensors) performances are discussed. In conclusion, perspectives on the future directions of this exciting field are presented.

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Section: Methods For 3d Printing Hydrogelsmentioning

confidence: 99%

Section: Inkjet Printingmentioning

confidence: 99%

3D Printing of Hydrogels for Stretchable Ionotronic Devices

Wang

Zhang

et al. 2021

Adv Funct Materials

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“…There are two different modes in which inkjet printers generate droplets—continuous inkjet (CIJ) printing [ 88,89 ] and drop‐on‐demand (DOD) inkjet printing [ 90,91 ] (Figure 3E). In the CIJ mode, as its name implies, the fluid is pushed through the jetting heads continuously.…”

Section: Overview Of 3d Printing Technologiesmentioning

confidence: 99%

A Review of 3D Printing Technologies for Soft Polymer Materials

Zhou

2020

Adv Funct Materials

460

311

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Soft polymer materials, which are similar to human tissues, have played critical roles in modern interdisciplinary research. Compared with conventional methods, 3D printing allows rapid prototyping and mass customization and is ideal for processing soft polymer materials. However, 3D printing of soft polymer materials is still in the early stages of development and is facing many challenges including limited printable materials, low printing resolution and speed, and poor functionalities. The present review aims to summarize the ideas to address these challenges. It focuses on three points: 1) how to develop printable materials and make unprintable materials printable, 2) how to choose suitable methods and improve printing resolution, and 3) how to directly construct functional structures/systems with 3D printing. After a brief introduction on this topic, the mainstream 3D printing technologies for printing soft polymer materials are reviewed, with an emphasis on improving printing resolution and speed, choosing suitable printing techniques, developing printable materials, and printing multiple materials. Moreover, the state-of-the-art advancements in multimaterial 3D printing of soft polymer materials are summarized. Furthermore, the revolutions brought about by 3D printing of soft polymer materials for applications similar to biology are highlighted. Finally, viewpoints and future perspectives for this emerging field are discussed.

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“…However, this knowledge is necessary to design reproducible and safe cleaning processes. The jet break-up occurs in Newtonian fluids due to the interaction between inertial, viscose, interfacial and gravitational forces [9]. Though, somewhere downstream the nozzle outlet, different physical phenomenon lead to jet break-up, depending on the process parameters, nozzle design and distance from the nozzle outlet (stand-off distance) [5 -8].…”

Section: Introductionmentioning

confidence: 99%

“…Though, somewhere downstream the nozzle outlet, different physical phenomenon lead to jet break‐up, depending on the process parameters, nozzle design and distance from the nozzle outlet (stand‐off distance) . The jet break‐up occurs in Newtonian fluids due to the interaction between inertial, viscose, interfacial and gravitational forces . Further break‐up occurs with increasing stand‐off distance and a series of single drops impinges on a surface .…”

Section: Introductionmentioning

confidence: 99%

Measurement of the Impact Force and Pressure of Water Jets under the Influence of Jet Break‐up

Fuchs

Köhler

Majschak

2019

Chemie Ingenieur Technik

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Using a new test setup, the results for the mechanical impact force and pressure of water jets of a nozzle in tubular form with different nozzle diameters (3, 4 mm), gauge pressures (1 -6 bar) and stand-off distances (0.5 -5 m) are presented. It is shown that the stand-off distance and, thus, the jet break-up has a significant influence on the mechanical forces of water jets. An optimum stand-off distance with regard to the maximum impact force and pressure was determined in the range of 2 -2.5 m. As a result, a semi-empirical equation for the description of the mean impact force was derived.

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Influence of the Nozzle Shape on the Breakup Behavior of Continuous Ink Jets

Cited by 23 publications

References 22 publications

3D Printing of Hydrogels for Stretchable Ionotronic Devices

3D Printing of Hydrogels for Stretchable Ionotronic Devices

A Review of 3D Printing Technologies for Soft Polymer Materials

Measurement of the Impact Force and Pressure of Water Jets under the Influence of Jet Break‐up

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