Academic literature on the topic 'Direct-extrusion 3D-Printing'

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Journal articles on the topic "Direct-extrusion 3D-Printing"

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Romanczuk-Ruszuk, Eliza, Bogna Sztorch, Daria Pakuła, Ewa Gabriel, Krzysztof Nowak, and Robert E. Przekop. "3D Printing Ceramics—Materials for Direct Extrusion Process." Ceramics 6, no. 1 (2023): 364–85. http://dx.doi.org/10.3390/ceramics6010022.

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Additive manufacturing and 3D printing methods based on the extrusion of material have become very popular in recent years. There are many methods of printing ceramics, but the direct extrusion method gives the largest range of sizes of printed objects and enables scaling of processes also in large-scale applications. Additionally, the application of this method to ceramic materials is of particular importance due to its low cost, ease of use, and high material utilization. The paper presents the most important literature reports on ceramics printed by direct extrusion. The review includes art
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Vatani, Morteza, and Jae-Won Choi. "Direct-print photopolymerization for 3D printing." Rapid Prototyping Journal 23, no. 2 (2017): 337–43. http://dx.doi.org/10.1108/rpj-11-2015-0172.

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Purpose This work aims to present a guideline for ink development used in extrusion-based direct-write (DW) (also referred to as direct-print [DP]) technique and combine the extrusion with instant photopolymerization to present a solvent-free DP photopolymerization (DPP) method to fill the gap between 3D printing and printing multi-functional 3D structures. Design/methodology/approach A DP process called DPP was developed by integration of a screw-driven micro-dispenser into XYZ translation stages. The process was equipped with direct photopolymerization to facilitate the creation of 3D struct
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Lee, Su-Yeon, Chang-Soo Kim, Jean-Ho Park, et al. "Study on the Direct Melting Extrusion Metal 3D Printing Using Induction Heating." Journal of the Korean Society of Manufacturing Technology Engineers 29, no. 1 (2020): 66–73. http://dx.doi.org/10.7735/ksmte.2020.29.1.66.

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Azad, Mohammad A., Deborah Olawuni, Georgia Kimbell, Abu Zayed Md Badruddoza, Md Shahadat Hossain, and Tasnim Sultana. "Polymers for Extrusion-Based 3D Printing of Pharmaceuticals: A Holistic Materials–Process Perspective." Pharmaceutics 12, no. 2 (2020): 124. http://dx.doi.org/10.3390/pharmaceutics12020124.

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Three dimensional (3D) printing as an advanced manufacturing technology is progressing to be established in the pharmaceutical industry to overcome the traditional manufacturing regime of 'one size fits for all'. Using 3D printing, it is possible to design and develop complex dosage forms that can be suitable for tuning drug release. Polymers are the key materials that are necessary for 3D printing. Among all 3D printing processes, extrusion-based (both fused deposition modeling (FDM) and pressure-assisted microsyringe (PAM)) 3D printing is well researched for pharmaceutical manufacturing. It
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Luis, Eric, Houwen Matthew Pan, Swee Leong Sing, Ram Bajpai, Juha Song, and Wai Yee Yeong. "3D Direct Printing of Silicone Meniscus Implant Using a Novel Heat-Cured Extrusion-Based Printer." Polymers 12, no. 5 (2020): 1031. http://dx.doi.org/10.3390/polym12051031.

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The first successful direct 3D printing, or additive manufacturing (AM), of heat-cured silicone meniscal implants, using biocompatible and bio-implantable silicone resins is reported. Silicone implants have conventionally been manufactured by indirect silicone casting and molding methods which are expensive and time-consuming. A novel custom-made heat-curing extrusion-based silicone 3D printer which is capable of directly 3D printing medical silicone implants is introduced. The rheological study of silicone resins and the optimization of critical process parameters are described in detail. The
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Petsiuk, Aliaksei, Bharath Lavu, Rachel Dick, and Joshua M. Pearce. "Waste Plastic Direct Extrusion Hangprinter." Inventions 7, no. 3 (2022): 70. http://dx.doi.org/10.3390/inventions7030070.

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As the additive manufacturing industry grows, it is compounding the global plastic waste problem. Distributed recycling and additive manufacturing (DRAM) offers an economic solution to this challenge, but it has been relegated to either small-volume 3D printers (limiting waste recycling throughput) or expensive industrial machines (limiting accessibility and lateral scaling). To overcome these challenges, this paper provides proof-of-concept for a novel, open-source hybrid 3D printer that combines a low-cost hanging printer design with a compression-screw-based end-effector that allows for the
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Revilla-Leon, Marta, Marina Olea-Vielba, Ana Esteso-Díaz, Iñaki Martinez-Klemm, Jose Manuel Reuss Rodriguez-Vilaboa, and Mutlu Özcan. "New fabrication method using additive manufacturing technologies for the pattern of pressed lithium disilicate onlay restorations." Brazilian Dental Science 20, no. 4 (2017): 149. http://dx.doi.org/10.14295/bds.2017.v20i4.1364.

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<p>There are 7 categories for the additive manufacturing (AM) technologies and a wide variety of materials that can be used to build a computer aided designed (CAD) 3-Dimensional (3D) object. The present article reviews the main AM processes for polymers for dental applications: stereolithography (SLA), direct light processing (DLP), material jetting (MJ) and material extrusion (ME). The manufacturing process, accuracy and precision of these methods will be reviewed, as well as, their prosthodontic applications.</p><p> </p><p><strong>Keywords: </strong&gt
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Jain, Tanmay, William Clay, Yen-Ming Tseng, et al. "Role of pendant side-chain length in determining polymer 3D printability." Polymer Chemistry 10, no. 40 (2019): 5543–54. http://dx.doi.org/10.1039/c9py00879a.

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Cersoli, Trenton, Alexis Cresanto, Callan Herberger, Eric MacDonald, and Pedro Cortes. "3D Printed Shape Memory Polymers Produced via Direct Pellet Extrusion." Micromachines 12, no. 1 (2021): 87. http://dx.doi.org/10.3390/mi12010087.

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Shape memory polymers (SMPs) are materials capable of changing their structural configuration from a fixed shape to a temporary shape, and vice versa when subjected to a thermal stimulus. The present work has investigated the 3D printing process of a shape memory polymer (SMP)-based polyurethane using a material extrusion technology. Here, SMP pellets were fed into a printing unit, and actuating coupons were manufactured. In contrast to the conventional film-casting manufacturing processes of SMPs, the use of 3D printing allows the production of complex parts for smart electronics and morphing
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Kuźmińska, Magdalena, Beatriz C. Pereira, Rober Habashy, et al. "Solvent-free temperature-facilitated direct extrusion 3D printing for pharmaceuticals." International Journal of Pharmaceutics 598 (April 2021): 120305. http://dx.doi.org/10.1016/j.ijpharm.2021.120305.

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Dissertations / Theses on the topic "Direct-extrusion 3D-Printing"

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Jain, Tanmay. "Design, Characterization, and Structure - Property Relationships of Multifunctional Polyesters for Extrusion-Based Direct-Write 3D Printing." University of Akron / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=akron1586874036561737.

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Desai, Dhanashri Tejpal. "3D-Printing of Lunar Soil Simulant by Direct-Extrusion method." Thesis, 2023. https://etd.iisc.ac.in/handle/2005/6172.

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The extrusion-based additive manufacturing (EAM) technique is recently being widely employed for the 3D printing of complex-shaped components made of ceramic powder (containing irregular-shaped particles) when it is cast in the form of a slurry/ink. In this work, we utilize a direct extrusion method for printing structures from extra-terrestrial soil simulants using a piston-based extruder. Printing is demonstrated using a slurry composed of lunar soil simulant (LSS) variant ISAC-1 (avg. particle size ~ 90µm) mixed with biopolymer guar gum as a sustainable binding agent and DI water as a solve
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Book chapters on the topic "Direct-extrusion 3D-Printing"

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Rezaei, Farnaz, and Stefan Johansson. "Extrusion of High-Resolution Polymer Structures with Direct Ink Writing Techniques." In Product Design - A Manufacturing Perspective [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1004386.

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This chapter explores 3D printing, often called additive manufacturing, with a focus on printing structures with high-detail resolution. There are mainly two techniques that allow for 3D printing in the μm to sub-μm range: two-photon printing and direct ink writing (DIW). The two-photon technique is briefly explained, while the focus here is on DIW since this technique gives an opportunity to print a wide variety of materials. To exemplify high-detail resolution polymer 3D printing, biocompatible cellulose acetate (CA) is selected. Printability and the possibility of printing μm feature-size s
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Sole-Gras, Marc, Yong Huang, and Douglas B. Chrisey. "Laser-Induced Forward Transfer of Biomaterials." In Additive Manufacturing in Biomedical Applications. ASM International, 2022. http://dx.doi.org/10.31399/asm.hb.v23a.a0006860.

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Abstract The use of 3D bioprinting techniques has contributed to the development of novel cellular patterns and constructs in vitro, ex vivo, and even in vivo. There are three main bioprinting techniques: inkjet printing, extrusion printing (also known as bioextrusion), laser-induced forward transfer (LIFT) printing, which is also known as modified LIFT printing, matrix-assisted pulsed-laser evaporation direct write, and laser-based printing (laser-assisted bioprinting, or biological laser printing). This article provides an overview of the LIFT process, including the LIFT process introduction
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Conference papers on the topic "Direct-extrusion 3D-Printing"

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Jin, Yifei, Patrick J. Antonelli, Christopher J. Long, et al. "Nanoclay Suspension-Enabled Extrusion Printing of 3D Soft Structures for Biomedical Applications." In ASME 2020 15th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/msec2020-8330.

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Abstract Three-dimensional (3D) extrusion printing of cellular/acellular structures with biocompatible materials has been widely investigated in recent years. However, the requirement of suitable solidification rate of printable ink materials constrains the utilization of extrusion-based 3D printing technique. In this study, the yield-stress nanoclay suspension-enabled extrusion-based 3D printing system has been investigated and demonstrated to overcome solidification rate constraints during printing. Utilizing the liquid-solid transition property of nanoclay suspension, two fabrication approa
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Malinauskas, Mangirdas, Laurynas Lukoševičius, Dovilė Mackevičiūtė, Evaldas Balčiūnas, Sima Rekštytė, and Domas Paipulas. "Multiscale 3D manufacturing: combining thermal extrusion printing with additive and subtractive direct laser writing." In SPIE Photonics Europe, edited by Jacob I. Mackenzie, Helena JelÍnková, Takunori Taira, and Marwan Abdou Ahmed. SPIE, 2014. http://dx.doi.org/10.1117/12.2051520.

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Thakkar, Achint, Ritik Jamghare, Ravi Mishra, and Omar Faruk Emon. "An Inexpensive 3D Printing System for Functional Inks Used In Electronics and Bio Applications." In ASME 2023 18th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/msec2023-103018.

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Abstract Numerous extrusion-based 3D printing processes for electronics and bio-applications have been reported in the past decade. However, these direct ink writing (DIW) systems are mostly expensive and complex to build. Here, we report an inexpensive and open-source extrusion-based 3d printer that could be employed for printing functional inks, especially for various electronics and bio fabrication. A low-cost fused filament fabrication (FFF) 3D printer was modified to build the DIW system. An extrusion mechanism was developed with a stepper motor, a lead screw, a syringe-plunger system, an
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Danish, Muhammad, Ravi Mishra, Abid Ali Junaid, and Omar Faruk Emon. "Extrusion Mechanisms for Printing Thermosetting Prepolymers." In ASME 2023 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/imece2023-113409.

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Abstract The Direct Ink Writing (DIW) additive manufacturing method has been widely used in advanced printing applications, although it is often considered a complex and expensive system to construct. This study investigated two extrusion mechanisms that can be integrated with a gantry system for printing functional thermosetting inks. The first mechanism employs a lead screw directly connected to a bipolar stepper motor, which converts the rotary motion of the motor shaft into a linear motion. The lead screw is used to push the plunger of a syringe loaded with viscous thermosetting prepolymer
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Pivar, Matej, Jon Brce, and Deja Muck. "DIFFERENT METHODS FOR PRODUCING COLOR REPRODUCTIONS ON 3D PRINTED OBJECTS." In INTERNATIONAL SYMPOSIUM ON GRAPHIC ENGINEERING AND DESIGN. UNIVERSITY OF NOVI SAD FACULTY OF TECHNICAL SCIENCES DEPARTMENT OF GRAPHIC ENGINEERING AND DESIGN 21000 Novi Sad, Trg Dositeja Obradovića 6, 2024. http://dx.doi.org/10.24867/grid-2024-p14.

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This article presents two methods of colour printing on programmable 3D structures and their use for practical applications in everyday life. The colour printing was done by direct printing with a flatbed UV inkjet printer and indirect printing by thermally transferring the electrophotographic toner to the 3D printed object produced with the most widely used and affordable material extrusion 3D printing technology. The print quality of the colour reproductions was determined by basic densitometric and spectrophotometric measurements, ink adhesion analysis and image analysis of the printed grap
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Marnot, Alexandra, Jaehyun Cho, and Blair Brettmann. "Print Speed Optimization for UV-Assisted 3D Printing of Lunar Regolith Simulants Composite Inks." In ASME 2023 18th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/msec2023-102275.

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Abstract Direct-ink-write (DIW) 3D printing of dense composite inks is an attractive method of additive manufacturing for Lunar missions using in-situ derived resources. DIW offers a wide degree of freedom for formulation design with multiple methods for solidifying the inks post-extrusion. The use of UV-curing, however, poses certain complications when the loading of particles in the ink reaches levels above 50 vol% due to light scattering, absorption, and reflection. Herein, we investigate the curability of two Lunar regolith simulants, compared against a model system of glass microspheres,
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Nuhoglu, Kaan, Adam Hussain, Jean Claude Lelievre, and Emrah Celik. "Electrical Network Activation in 3D Printed Thermoset Composites via Nozzle Oscillation Infill Pattern." In ASME 2025 Aerospace Structures, Structural Dynamics, and Materials Conference. American Society of Mechanical Engineers, 2025. https://doi.org/10.1115/ssdm2025-152737.

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Abstract This study presents a novel approach to manufacture electrically conductive thermoset-based carbon fiber reinforced polymer (CFRP) composites with enhanced print quality. Nozzle oscillation infill patterns were developed to suppress the shear induced fiber alignment during printing. This method generates a randomly aligned fiber microstructure which exhibits an activated electrical network throughout the material. After finding the best printing pattern in terms of electrical conductivity and dimensional accuracy by an optimization study, CFRP parts were produced utilizing Direct Ink
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Habib, Md Ahasan, and Bashir Khoda. "Effect of Process Parameters on Cellulose Fiber Alignment in Bio-Printing." In ASME 2019 14th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/msec2019-3011.

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Abstract Three dimensional (3D) bio-printing or direct writing technique has become a popular tool in tissue engineering applications that uses a computer-controlled process to deposit bio-ink for reproducing 3D tissue. Among multiple bio-printing modal, extrusion-based printing is capable of depositing diverse range of hydrogel materials and their compositions as bio-ink. Both acellular bio-ink and cell-laden bio-ink can be extruded by controlling the writing parameters to achieve high (>80%) cell survivability and density along with spatial precision and accuracy in 3D space. To incre
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Ahmed, Radif Uddin, Ethan Dowell, Chowdhury Sadid Alam, and M. Shafiqur Rahman. "Design and Development of a Desktop 3D Printer for Conformal Additive Manufacturing." In ASME 2024 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2024. https://doi.org/10.1115/imece2024-146083.

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Abstract This study presents a conformal 3D printing strategy by developing a direct ink writing (DIW) 3D printer that can execute an algorithm for a conformal print path in the form of a G-code. DIW printers fall under the class of extrusion-based 3D printers that can deposit non-Newtonian material through the nozzle, utilizing solely the rheological properties of the feedstock material, known as the “ink.” The custom-made DIW 3D printer’s performance is tested with the deposition of petroleum jelly on a curved surface, which serves as the conformal substrate. The conformal print algorithm st
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Mondal, Anirban, Mrinal Saha, Kuntal Maity, M. Cengiz Altan, and Yingtao Liu. "Characterization of 3D Printed Single Filament Carbon Fiber Epoxy Composite." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-94861.

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Abstract The conventional composite fabrication processes, such as hand lay-up, autoclave, vacuum-assisted resin transfer molding, and filament winding, hinder the prospect of future development and application due to expensive mold fabrication, limited part geometries, and lack of repeatability. An extrusion-based additive manufacturing technique, such as direct-ink-writing (DIW), undermines the limitation of conventional manufacturing processes, which opens up the horizon of multi-material parts fabrication cost-effectively. This research investigates 3D printed single filament printing and
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