Relevant bibliographies by topics / 3D printing on-demand

Academic literature on the topic '3D printing on-demand'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "3D printing on-demand"

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Liu, Ling, and Yi Yang. "Exploration on Creative Product Customization Design Based on 3D Printing Technology Research." Applied Mechanics and Materials 709 (December 2014): 509–12. http://dx.doi.org/10.4028/www.scientific.net/amm.709.509.

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This thesis, based on 3D printing technology, explores the customization design methods of creative product, expounds the significance and importance of product customization design from the perspective of demand in the market and energy saving, discusses the advantage for combination of product customization design and 3D printing technology, aiming to advocate meeting the market demand and also saving energy through product customization design by using 3D printing technology.
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V. Mironov, Anton, Aleksandra O. Mariyanac, Olga A. Mironova, and Vladimir K. Popov. "Laboratory 3D printing system." International Journal of Engineering & Technology 7, no. 2.23 (April 20, 2018): 68. http://dx.doi.org/10.14419/ijet.v7i2.23.11886.

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Present work describes the results of the development of the universal system, which capable to utilize varies 3D printing methodologies. The main goal of the study is to provide cheap, versatile and easy expandable equipment for multiple purpose research in the field of material science. 3D printing system was experimentally validated for fused deposition modeling, hydrogel, liquid dispensing and drop-on-demand printing, as well as 3D photopolymerisation by UV laser and/or LED light using different types of materials.
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Evins, Alexander I., John Dutton, Sayem S. Imam, Amal O. Dadi, Tao Xu, Du Cheng, Philip E. Stieg, and Antonio Bernardo. "On-Demand Intraoperative 3-Dimensional Printing of Custom Cranioplastic Prostheses." Operative Neurosurgery 15, no. 3 (January 13, 2018): 341–49. http://dx.doi.org/10.1093/ons/opx280.

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Abstract BACKGROUND Currently, implantation of patient-specific cranial prostheses requires reoperation after a period for design and formulation by a third-party manufacturer. Recently, 3-dimensional (3D) printing via fused deposition modeling has demonstrated increased ease of use, rapid production time, and significantly reduced costs, enabling expanded potential for surgical application. Three-dimensional printing may allow neurosurgeons to remove bone, perform a rapid intraoperative scan of the opening, and 3D print custom cranioplastic prostheses during the remainder of the procedure. OBJECTIVE To evaluate the feasibility of using a commercially available 3D printer to develop and produce on-demand intraoperative patient-specific cranioplastic prostheses in real time and assess the associated costs, fabrication time, and technical difficulty. METHODS Five different craniectomies were each fashioned on 3 cadaveric specimens (6 sides) to sample regions with varying topography, size, thickness, curvature, and complexity. Computed tomography-based cranioplastic implants were designed, formulated, and implanted. Accuracy of development and fabrication, as well as implantation ability and fit, integration with exiting fixation devices, and incorporation of integrated seamless fixation plates were qualitatively evaluated. RESULTS All cranioprostheses were successfully designed and printed. Average time for design, from importation of scan data to initiation of printing, was 14.6 min and average print time for all cranioprostheses was 108.6 min. CONCLUSION On-demand 3D printing of cranial prostheses is a simple, feasible, inexpensive, and rapid solution that may help improve cosmetic outcomes; significantly reduce production time and cost—expanding availability; eliminate the need for reoperation in select cases, reducing morbidity; and has the potential to decrease perioperative complications including infection and resorption.
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Lepowsky, Eric, and Savas Tasoglu. "3D Printing for Drug Manufacturing: A Perspective on the Future of Pharmaceuticals." International Journal of Bioprinting 4, no. 1 (September 25, 2017): 119. http://dx.doi.org/10.18063/ijb.v1i1.119.

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Since a three-dimensional (3D) printed drug was first approved by the Food and Drug Administration in 2015, there has been a growing interest in 3D printing for drug manufacturing. There are multiple 3D printing methods – including selective laser sintering, binder deposition, stereolithography, inkjet printing, extrusion-based printing, and fused deposition modeling – which are compatible with printing drug products, in addition to both polymer filaments and hydrogels as materials for drug carriers. We see the adaptability of 3D printing as a revolutionary force in the pharmaceutical industry. Release characteristics of drugs may be controlled by complex 3D printed geometries and architectures. Precise and unique doses can be engineered and fabricated via 3D printing according to individual prescriptions. On-demand printing of drug products can be implemented for drugs with limited shelf life or for patient-specific medications, offering an alternative to traditional compounding pharmacies. For these reasons, 3D printing for drug manufacturing is the future of pharmaceuticals, making personalized medicine possible while also transforming pharmacies.
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Ben-Barak, Ido, Yosef Kamir, Svetlana Menkin, Meital Goor, Inna Shekhtman, Tania Ripenbein, Ehud Galun, Diana Golodnitsky, and Emanuel Peled. "Drop-on-Demand 3D Printing of Lithium Iron Phosphate Cathodes." Journal of The Electrochemical Society 166, no. 3 (November 14, 2018): A5059—A5064. http://dx.doi.org/10.1149/2.0091903jes.

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Ali, Shahid, Deepak Kumar Chaurasia, and Dr Tarkeshwar P. Shukla. "A Review: 3D Printing." International Journal for Research in Applied Science and Engineering Technology 10, no. 12 (December 31, 2022): 1939–41. http://dx.doi.org/10.22214/ijraset.2022.48301.

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Abstract: 3D printing or additive manufacturing is a method of creating three dimensional solid matters from a digital file. The design of a 3D printed object is accomplish using additive processes it is also called as RAPID PROTOTYPING. In an additive process an object is manufactured by dozing consecution layers of material as far as the entire object is created.3D concept has the capabilities to furnish benefits for patients, pharmacists and the pharmaceutical industry alike by empower the on-demand design and production of various formulations with individualized dosages, shapes, sizes, drug release and multi-drug combinations. This article criticizing the major benefits for using 3D printing in pharmaceuticals, highlighting the crucial role that healthcare staff play, and will continue to play, in the future implementation of 3D printing into the pharmaceutical sector.
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Mao, Huachao, Wenxuan Jia, Yuen-Shan Leung, Jie Jin, and Yong Chen. "Multi-material stereolithography using curing-on-demand printheads." Rapid Prototyping Journal 27, no. 5 (June 2, 2021): 861–71. http://dx.doi.org/10.1108/rpj-05-2020-0104.

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Purpose This paper aims to present a multi-material additive manufacturing (AM) process with a newly developed curing-on-demand method to fabricate a three-dimensional (3D) object with multiple material compositions. Design/methodology/approach Unlike the deposition-on-demand printing method, the proposed curing-on-demand printheads use a digital light processing (DLP) projector to selectively cure a thin layer of liquid photocurable resin and then clean the residual uncured material effectively using a vacuuming and post-curing device. Each printhead can individually fabricate one type of material using digitally controlled mask image patterns. The proposed AM process can accurately deposit multiple materials in each layer by combining multiple curing-on-demand printheads together. Consequently, a three-dimensional object can be fabricated layer-by-layer using the developed curing-on-demand printing method. Findings Effective cleaning of uncured resin is realized with reduced coated resin whose height is in the sub-millimeter level and improved vacuum cleaning performance with the uncleaned resin less than 10 µm thick. Also, fast material swapping is achieved using the compact design of multiple printheads. Originality/value The proposed multi-material stereolithography (SL) process enables 3D printing components using more viscous materials and can achieve desired manufacturing characteristics, including high feature resolution, fast fabrication speed and low machine cost.
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Zhao, Zheng, Jodi McGill, Pamela Gamero-Kubota, and Mei He. "Microfluidic on-demand engineering of exosomes towards cancer immunotherapy." Lab on a Chip 19, no. 10 (2019): 1877–86. http://dx.doi.org/10.1039/c8lc01279b.

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3D printing-based facile microfabrication of a microfluidic culture chip integrates harvesting, antigenic modification, and photo-release of surface engineered exosomes in one workflow, which enables rapid and real-time production of therapeutic exosomes for advancing cancer immunotherapy.
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Chaudhuri, Atanu, Hussein Naseraldin, Peder Veng Søberg, Ehud Kroll, and Michael Librus. "Should hospitals invest in customised on-demand 3D printing for surgeries?" International Journal of Operations & Production Management 41, no. 1 (November 16, 2020): 55–62. http://dx.doi.org/10.1108/ijopm-05-2020-0277.

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PurposeThe purpose of this research is to (1) analyse the effect of customised on-demand 3DP on surgical flow time, its variability and clinical outcomes (2) provide a framework for hospitals to decide whether to invest in 3DP or to outsource.Design/methodology/approachThe research design included interviews, workshops and field visits. Design science approach was used to analyse the impact of the 3D printing (3DP) interventions on specific outcomes and to develop frameworks for hospitals to invest in 3DP, which were validated through further interviews with stakeholders.FindingsEvidence from this research shows that deploying customised on-demand 3DP can reduce surgical flow time and its variability while improving clinical outcomes. Such outcomes are obtained due to rapid development of the anatomical model and surgical guides along with precise cutting during surgery.Research limitations/implicationsWe outline multiple opportunities for research on supply chain design and performance assessment for surgical 3DP. Further empirical research is needed to validate the results.Practical implicationsThe decision to implement 3DP in hospitals or to engage service providers will require careful analysis of complexity, demand, lead-time criticality and a hospital's own objectives. Hospitals can follow different paths in adopting 3DP for surgeries depending on their context.Originality/valueThe operations and supply chain management community has researched on-demand distributed manufacturing for multiple industries. To the best of our knowledge, this is the first paper on customised on-demand 3DP for surgeries.
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Cooperstein, Ido, S. R. K. Chaitanya Indukuri, Alisa Bouketov, Uriel Levy, and Shlomo Magdassi. "3D Printing: 3D Printing of Micrometer‐Sized Transparent Ceramics with On‐Demand Optical‐Gain Properties (Adv. Mater. 28/2020)." Advanced Materials 32, no. 28 (July 2020): 2070212. http://dx.doi.org/10.1002/adma.202070212.

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Book chapters on the topic "3D printing on-demand"

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Yoo, Seung-Schik, and Samuel Polio. "3D On-Demand Bioprinting for the Creation of Engineered Tissues." In Cell and Organ Printing, 3–19. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9145-1_1.

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Fuh, J. Y. H., J. Sun, E. Q. Li, Jinlan Li, Lei Chang, G. S. Hong, Y. S. Wong, and E. S. Thian. "Micro- and Bio-Rapid Prototyping Using Drop-On-Demand 3D Printing." In Handbook of Manufacturing Engineering and Technology, 2567–83. London: Springer London, 2014. http://dx.doi.org/10.1007/978-1-4471-4670-4_79.

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Fuh, Jerry. "Micro- and Bio-Rapid Prototyping Using Drop-on-Demand 3D Printing." In Handbook of Manufacturing Engineering and Technology, 1–15. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-4976-7_79-1.

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Kanagasuntharam, Sasitharan, Sayanthan Ramakrishnan, and Jay Sanjayan. "Set-On Demand Concrete by Activating Encapsulated Accelerator for 3D Printing." In RILEM Bookseries, 305–10. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-06116-5_45.

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Novak, James I., and Paul Bardini. "The Popular Culture of 3D Printing." In Advances in Media, Entertainment, and the Arts, 188–211. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8491-9.ch012.

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As 3D printing technology achieves mainstream adoption, people are forming new relationships with products as they shift from passive consumers to “prosumers” capable of both producing and consuming objects on demand. This is fueled by expanding online 3D printing communities, with new data within this chapter suggesting that prosumers are challenging existing understandings of popular culture as they bypass traditional mass manufacturing. With 3D digital files rapidly distributed through online platforms, this chapter argues that a new trend for “viral objects” is emerging, alongside the “3D selfie,” as digital bits spread via the internet are given physical form through 3D printing in ever increasing quantities. Analysis of these trends will provide academics, educators, and prosumers with a new perspective of 3D printing's socio-cultural impact, and further research directions are suggested to build a broader discourse around the opportunities and challenges of a cyberphysical future.
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Naghib, Seyed Morteza, Samin Hoseinpour, and Shadi Zarshad. "Additive Manufacturing in Developing Localized Controlled Drug Delivery Systems (LCDDSs)." In Localized Micro/Nanocarriers for Programmed and On-Demand Controlled Drug Release, 211–37. BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/9789815051636122010010.

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Patients may show various defects to medications depending on race, gender, fitness, age, pharmacokinetic and health conditions. To address this challenge, there is a need to establish personalized, on-demand, programable and smart carriers that can control drug release with new and robust techniques. Additive manufacturing (AM) is the key sustenance of digital technology that has been developing and growing recently. AM offers several opportunities in localized controlled drug delivery systems (LCDDS), including materials recycling as well as on-site manufacturing, design freedom and full customization. Moreover, the industrial, biomedical and academic requests for AM for LCDDS have been continually rising, demonstrating significant marks for an extensive range of products. This chapter outlines AM approaches and their functions for LCDDS and describes AM technologies, such as recent advances in controlled drug release, as well as their processed materials and working principles. Furthermore, the benefits of 3D printing in the progressions of the LCDDS, the advantages of 4D printing, the impression of designing and material selection in these techniques are discussed. Finally, the potentials of AM approaches and their LCDD applications that designate a promising healthcare future are described.
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Samarasinghe, Don Amila Sajeevan, and Emma Wood. "Innovative Digital Technologies." In Handbook of Research on Driving Transformational Change in the Digital Built Environment, 142–63. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-6600-8.ch006.

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The construction industry is one of the oldest industries in the world and one that continues to change with client demand. In recent decades, innovation in the construction industry has greatly improved, increasing productivity. Innovation in construction refers to the generation and implementation of new ideas to enhance the performance of construction processes and to gain economic, environmental, and social benefits. Modern innovative digital technologies in construction include application of virtual reality (VR)/augmented reality (AR), blockchain, 3D printing, building information modeling (BIM), and off-site manufacturing. This chapter will explore the application of these innovative digital technologies in construction. It will particularly include recent case studies and examples from the New Zealand construction industry.
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Conference papers on the topic "3D printing on-demand"

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Bashyam, Sanjai, Joshua Kuhn, and Carolyn Conner Seepersad. "A 3D Printing Vending Machine and its Impact on the Democratization of 3D Printing on a College Campus." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46470.

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The Innovation Station is a 3D printing vending machine that provides on-demand, internet-enabled 3D printing to all students on The University of Texas at Austin campus. It was designed and built by the authors, who also operate the machine throughout the academic year. This paper introduces the Innovation Station and describes insights and lessons learned from operating the machine for its first academic semester. User statistics and common user mistakes are described, and a designer’s guide is provided to make it easier for first-time users to 3D print successfully.
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Cui, Jin, Lin Zhang, and Lei Ren. "Probabilistic Model for Online 3D Printing Service Evaluation." In ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/msec2017-2747.

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By enabling consumer products to be made on-demand and eliminating waste from overproduction and transport, online 3D printing service is more and more popular with unprofessional customers. As a growing number of 3D printers are becoming accessible on various online 3D printing service platforms, there raises the concern over online 3D printing service evaluation and selection for novices as well as users with 3D printing experience. In this paper, we analyze this problem using information transformation techniques and multinomial distribution probabilistic model. Evaluation factors, the major attributes that significantly affect the performance of an online 3D printing service, are described with standard description form. Meanwhile, historical service data is introduced to identify and update these evaluation factor values. Based on these parameters, evaluation and comparison can be implemented upon online 3D printing services using the probabilistic model. An example is presented to illustrate the assessment process based on the proposed evaluation model. The presented objective probabilistic evaluation method can serve as the basis of online 3D printing service evaluation and selection on an online 3D printing service platform. Although the focus of the work was on 3D printing service, the idea can be applied to other online rapid prototyping sharing systems.
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Liu, Huanbao, Huixing Zhou, Haiming Lan, and Tianyu Liu. "Study on coaxial focusing nozzle with function of printing on-demand based on 3D bioprinter." In 2017 2nd International Conference on Advanced Robotics and Mechatronics (ICARM). IEEE, 2017. http://dx.doi.org/10.1109/icarm.2017.8273162.

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Saripalle, Srinivas, Humanitarian Maker, Abi Bush, and Naiomi Lundman. "3D printing for disaster preparedness: Making life-saving supplies on-site, on-demand, on-time." In 2016 IEEE Global Humanitarian Technology Conference (GHTC). IEEE, 2016. http://dx.doi.org/10.1109/ghtc.2016.7857281.

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Popkin, Rachel, Fluvio Lobo, and Jack Stubbs. "Multimaterial 3D Printing for the Fabrication of Functional Stethoscopes." In 2019 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/dmd2019-3297.

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Stethoscopes are ubiquitous across the healthcare system. For the most part, stethoscopes do not represent a financial burden, mostly throughout the developed world. Further reducing the cost of stethoscopes has both humanitarian and prophylactic goals. The Glia project pioneered the concept of 3D printing stethoscopes for war or poverty-stricken regions of the world. Cross-contamination concerns have led researchers and manufacturers to develop single-use stethoscopes. Our aim is to develop a fully printed, multi-material, functional stethoscope to alleviate these concerns. Our team also seeks to establish a framework for the on-demand manufacturing of medical devices to reduce costs associated with shipping, distribution, and inventory.
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Christensen, Kyle, and Yong Huang. "Study of Layer Formation During Droplet-Based 3D Printing of Gel Structures." In ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/msec2017-3050.

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Additive manufacturing, also known as three-dimensional (3D) printing, is an approach in which a structure may be fabricated layer by layer. For 3D inkjet printing, droplets are ejected from a nozzle and each layer is formed droplet by droplet. Inkjet printing has been widely applied for the fabrication of 3D biological gel structures, but the knowledge of the microscale interactions between printed droplets is still largely elusive. This study aims to elucidate the alginate layer formation process during drop-on-demand inkjet printing using high speed imaging and particle image velocimetry. Droplets are found to impact, spread, and coalesce within a fluid region at the deposition site, forming coherent printed lines within a layer. Interfaces are found to form between printed lines within a layer depending on printing conditions and printing path orientation. The effects of printing conditions on the behavior of droplets during layer formation are discussed and modeled based on gelation dynamics, and recommendations are presented to enable controllable and reliable fabrication of gel structures.
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Zhang, Mengyun, and Changxue Xu. "Ligament Flows of Exit-Pinching During Drop-on-Demand Inkjetting of Alginate Solution." In ASME 2016 11th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/msec2016-8582.

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Organ printing is an emerging technology for fabricating artificial tissues and organs, which are constructed layer by layer by precisely placing tissue spheroids or filaments as building blocks. These fabricated artificial organs offers a great potential as alternatives to replace the damaged human organs, providing a promising solution to solve organ donor shortage problem. Inkjetting, one of the key technologies in organ printing, has been widely developed for organ printing because of its moderate fabrication cost, good process controllability and scale-up potentials. Droplet formation process as the first step towards inkjetting 3D cellular structures needs to be studied and controlled precisely. This paper focuses on the ligament flow of exit-pinching during droplet formation process of inkjet printing. The ligament flow directions during pinch-off process of inkjet printing of a sodium alginate solution with a concentration of 0.5% (w/v) have been studied. It is found that two different types of flow directions inside a single ligament during pinch-off process may occur. At an excitation voltage of 30 V, the ligament flow has two different directions at the locations near the nozzle orifice and the jet front head: the negative z direction at the location near the nozzle orifice due to the dominant capillary effect, and the positive z direction at the location near the jet front head due to both the fluid inertial and capillary effects. On the contrary, at an excitation voltage of 70 V, the ligament flow directions are the same at the locations near the nozzle orifice and the jet front head: the positive z direction at the location near the nozzle orifice due to the sufficiently large fluid inertial effect, and the same positive z direction at the location near the jet front head due to both the fluid inertial and capillary effects. Two flow directions inside a single ligament benefit single droplet formation without satellite droplets, but the droplet trajectory will be easily affected by the airflow in the laboratory due to the small droplet velocity as well as the droplet deposition accuracy. Single flow direction inside a single ligament usually results in a long ligament due to the large fluid inertia which eventually breaks into several undesirable satellite droplets. The resulting knowledge will be beneficial for better understanding of the ligament pinch-off during droplet formation process of inkjet printing biological viscoelastic alginate bioink for 3D cellular structure fabrication as well as precise droplet controllability for good quality of fabricated 3D structures.
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Zahabizadeh, Behzad, Vítor M. C. F. Cunha, João Pereira, and Cláudia Gonçalves. "Development of cement-based mortars for 3D printing through wet extrusion." In IABSE Symposium, Guimarães 2019: Towards a Resilient Built Environment Risk and Asset Management. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/guimaraes.2019.0540.

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<p>The construction sector is connoted as an extremely traditional business sector since long ago. However, due to the increase of the global competiveness, there is a demand on the development of new building materials and construction methods that can bring added value to the companies. The 3D concrete printing is a novel construction approach within digital construction that can offer a higher degree of optimization and flexibility for producing either structures or structural elements with complex geometries. One of the main challenges in the 3D concrete printing using wet extrusion is balancing properly the rheological and mechanical properties of the printable mixtures. In this study, several mixtures were developed and their capability for being used in 3D printing was assessed and discussed based on their rheological properties. The compressive strength of the matrices that could be properly printed are also presented.</p>
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Grechukhin, A. N. "Model of Filling the Internal Structure of Workpiece with Curved Layers for 3D Printing." In Modern Trends in Manufacturing Technologies and Equipment. Materials Research Forum LLC, 2022. http://dx.doi.org/10.21741/9781644901755-56.

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Abstract. This paper presents a solution to the problem of filling the internal structure of the workpiece with curve layer in 3D printing. A generalized model of filling the internal structure of workpiece with curve layer is designed. The results are presented for solving the problem on the example of curved layers of a conical shape with filling along a helical line. The research results can be in demand in the development of algorithms and software for technological equipment. They allow to ensure the formation of the internal structure of products in curved layers during 3D printing.
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Xu, Tao, Catalin Baicu, Brian Manley, Michael Zile, and Thomas Boland. "A Finite Element Model for Drop-on-Demand Printing of Designer Hybrid Cardiovascular Constructs." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-79082.

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A Finite element model (FEM) was constructed and used to predict the mechanical properties of hybrid cardiovascular tissue engineering constructs. The model allows implementing 3D structures with desired porosities, mechanical and chemical properties. CAD models where designed using the FEM, with mechanical properties matching those of cardiac tissue. Contractile cardiac hybrids have been fabricated by arranging alternate layers of hydrogels and mammalian cardiovascular cells according to these CAD models using inkjet printers. Alginate hydrogels with controlled microshell structures were built by spraying cross-linkers onto ungelled alginic acid using inkjet printers. Cells were seen to attach to the inside of these microshells. The cells remained viable in constructs as thick as 1 cm due to the programmed porosity. Microscopic and macroscopic contractile function of cardiomyocytes sheets was observed in vitro. These results suggest that the printing method could be used for hierarchical design of functional cardiac patches, balanced with porosity for mass transport and structural support.
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Reports on the topic "3D printing on-demand"

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Kennedy, Alan, Mark Ballentine, Andrew McQueen, Christopher Griggs, Arit Das, and Michael Bortner. Environmental applications of 3D printing polymer composites for dredging operations. Engineer Research and Development Center (U.S.), January 2021. http://dx.doi.org/10.21079/11681/39341.

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This Dredging Operations Environmental Research (DOER) technical note disseminates novel methods to monitor and reduce contaminant mobility and bioavailability in water, sediments, and soils. These method advancements are enabled by additive manufacturing (i.e., three-dimensional [3D] printing) to deploy and retrieve materials that adsorb contaminants that are traditionally applied as unbound powders. Examples of sorbents added as amendments for remediation of contaminated sediments include activated carbon, biochar, biopolymers, zeolite, and sand caps. Figure 1 provides examples of sorbent and photocatalytic particles successfully compounded and 3D printed using polylactic acid as a binder. Additional adsorptive materials may be applicable and photocatalytic materials (Friedmann et al. 2019) may be applied to degrade contaminants of concern into less hazardous forms. This technical note further describes opportunities for U.S. Army Corps of Engineers (USACE) project managers and the water and sediment resource management community to apply 3D printing of polymers containing adsorptive filler materials as a prototyping tool and as an on-site, on-demand manufacturing capability to remediate and monitor contaminants in the environment. This research was funded by DOER project 19-13, titled “3D Printed Design for Remediation and Monitoring of Dredged Material.”
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Vavrin, John L., Ghassan K. Al-Chaar, Eric L. Kreiger, Michael P. Case, Brandy N. Diggs, Richard J. Liesen, Justine Yu, et al. Automated Construction of Expeditionary Structures (ACES) : Energy Modeling. Engineer Research and Development Center (U.S.), February 2021. http://dx.doi.org/10.21079/11681/39641.

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The need to conduct complex operations over time results in U.S. forces remaining in deployed locations for long periods. In such cases, more sustainable facilities are required to better accommodate and protect forward deployed forces. Current efforts to develop safer, more sustainable operating facilities for contingency bases involve construction activities that redesign the types and characteris-tics of the structures constructed, reduce the resources required to build, and reduce resources needed to operate and maintain the com-pleted facilities. The Automated Construction of Expeditionary Structures (ACES) project was undertaken to develop the capability to “print” custom-designed expeditionary structures on demand, in the field, using locally available materials with the minimum number of personnel. This work investigated large-scale automated “additive construction” (i.e., 3D printing with concrete) for construction applications. This document, which documents ACES energy and modeling, is one of four technical reports, each of which details a major area of the ACES research project, its research processes, and associated results, including: System Requirements, Construction, and Performance; Energy and Modeling; Materials and Testing; Architectural and Structural Analysis.
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Diggs, Brandy N., Richard J. Liesen, Michael P. Case, Sameer Hamoush, and Ahmed C. Megri. Automated Construction of Expeditionary Structures (ACES) : Energy Modeling. Engineer Research and Development Center (U.S.), February 2021. http://dx.doi.org/10.21079/11681/39759.

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The need to conduct complex operations over time results in U.S. forces remaining in deployed locations for long periods. In such cases, more sustainable facilities are required to better accommodate and protect forward deployed forces. Current efforts to develop safer, more sustainable operating facilities for contingency bases involve construction activities that redesign the types and characteris-tics of the structures constructed, reduce the resources required to build, and reduce resources needed to operate and maintain the com-pleted facilities. The Automated Construction of Expeditionary Structures (ACES) project was undertaken to develop the capability to “print” custom-designed expeditionary structures on demand, in the field, using locally available materials with the minimum number of personnel. This work investigated large-scale automated “additive construction” (i.e., 3D printing with concrete) for construction applications. This document, which documents ACES energy and modeling, is one of four technical reports, each of which details a major area of the ACES research project, its research processes, and associated results, including: System Requirements, Construction, and Performance; Energy and Modeling; Materials and Testing; Architectural and Structural Analysis.
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4

Al-Chaar, Ghassan K., Peter B. Stynoski, Todd S. Rushing, Lynette A. Barna, Jedadiah F. Burroughs, John L. Vavrin, and Michael P. Case. Automated Construction of Expeditionary Structures (ACES) : Materials and Testing. Engineer Research and Development Center (U.S.), February 2021. http://dx.doi.org/10.21079/11681/39721.

Full text
Abstract:
Complex military operations often result in U.S. forces remaining at deployed locations for long periods. In such cases, more sustaina-ble facilities are required to better accommodate and protect forward-deployed forces. Current efforts to develop safer, more sustaina-ble operating facilities for contingency bases involve construction activities that require a redesign of the types and characteristics of the structures constructed, that reduce the resources required to build, and that decrease the resources needed to operate and maintain the completed facilities. The Automated Construction of Expeditionary Structures (ACES) project was undertaken to develop the capa-bility to “print” custom-designed expeditionary structures on demand, in the field, using locally available materials with the minimum number of personnel. This work investigated large-scale automated “additive construction” (i.e., 3D printing with concrete) for con-struction applications. This report, which documents ACES materials and testing, is one of four technical reports, each of which details a major area of the ACES research project, its research processes, and its associated results. There major areas include System Require-ments, Construction, and Performance; Energy and Modeling; Materials and Testing; Architectural and Structural Analysis.
APA, Harvard, Vancouver, ISO, and other styles
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