Academic literature on the topic 'Fabrication additive hybride'

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Journal articles on the topic "Fabrication additive hybride"

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Berger, Uwe. "1808 A Survey on Hybrid Fabrication Processes by Integration of Additive and Subtractive Manufacturing." Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 2015.8 (2015): _1808–1_—_1808–6_. http://dx.doi.org/10.1299/jsmelem.2015.8._1808-1_.

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Gutierrez, Cassie, Rudy Salas, Gustavo Hernandez, et al. "CubeSat Fabrication through Additive Manufacturing and Micro-Dispensing." International Symposium on Microelectronics 2011, no. 1 (2011): 001021–27. http://dx.doi.org/10.4071/isom-2011-tha4-paper3.

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Fabricating entire systems with both electrical and mechanical content through on-demand 3D printing is the future for high value manufacturing. In this new paradigm, conformal and complex shapes with a diversity of materials in spatial gradients can be built layer-by-layer using hybrid Additive Manufacturing (AM). A design can be conceived in Computer Aided Design (CAD) and printed on-demand. This new integrated approach enables the fabrication of sophisticated electronics in mechanical structures by avoiding the restrictions of traditional fabrication techniques, which result in stiff, two d
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Kumar, Sanjay, Pulak Bhushan, Mohit Pandey, and Shantanu Bhattacharya. "Additive manufacturing as an emerging technology for fabrication of microelectromechanical systems (MEMS)." Journal of Micromanufacturing 2, no. 2 (2019): 175–97. http://dx.doi.org/10.1177/2516598419843688.

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The recent success of additive manufacturing processes (also called, 3D printing) in the manufacturing sector has led to a shift in the focus from simple prototyping to real production-grade technology. The enhanced capabilities of 3D printing processes to build intricate geometric shapes with high precision and resolution have led to their increased use in fabrication of microelectromechanical systems (MEMS). The 3D printing technology has offered tremendous flexibility to users for fabricating custom-built components. Over the past few decades, different types of 3D printing technologies hav
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Li, Yan, Dichen Li, Bingheng Lu, Dajing Gao, and Jack Zhou. "Current status of additive manufacturing for tissue engineering scaffold." Rapid Prototyping Journal 21, no. 6 (2015): 747–62. http://dx.doi.org/10.1108/rpj-03-2014-0029.

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Purpose – The purpose of this paper is to review the current status of additive manufacturing (AM) used for tissue engineering (TE) scaffold. AM processes are identified as an effective method for fabricating geometrically complex objects directly from computer models or three-dimensional digital representations. The use of AM technologies in the field of TE has grown rapidly in the past 10 years. Design/methodology/approach – The processes, materials, precision, applications of different AM technologies and their modified versions used for TE scaffold are presented. Additionally, future direc
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He, Liu, Peiren Wang, Lizhe Wang, Min Chen, Haiyun Liu, and Ji Li. "Multifunctional Polymer-Metal Lattice Composites via Hybrid Additive Manufacturing Technology." Micromachines 14, no. 12 (2023): 2191. http://dx.doi.org/10.3390/mi14122191.

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With increasing interest in the rapid development of lattice structures, hybrid additive manufacturing (HAM) technology has become a competent alternative to traditional solutions such as water jet cutting and investment casting. Herein, a HAM technology that combines vat photopolymerization (VPP) and electroless/electroplating processes is developed for the fabrication of multifunctional polymer-metal lattice composites. A VPP 3D printing process is used to deliver complex lattice frameworks, and afterward, electroless plating is employed to deposit a thin layer of nickel-phosphorus (Ni-P) co
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Ley, Jazmin, Cristian Pantea, John Greenhall, and Joseph A. Turner. "Resonant ultrasound spectroscopy of hybrid metal additive manufacturing." Journal of the Acoustical Society of America 154, no. 4_supplement (2023): A150. http://dx.doi.org/10.1121/10.0023085.

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Additive manufacturing has been targeted as the next high-impact fabrication technique for parts and components. Hybrid metal additive manufacturing (AM) refers to the 3-D printed fabrication process involving secondary manufacturing processes or energy sources and multifunctional printing. Specific layers are altered within the build using additional processes (i.e., milling or peening) that are synergistic with the additive process. This combination alters the sample microstructure and can refine grains, increase dislocation density, or induce residual stresses. The effect of these hybrid la
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Zhong, Fanchao, Haisen Zhao, Haochen Li, et al. "VASCO: Volume and Surface Co-Decomposition for Hybrid Manufacturing." ACM Transactions on Graphics 42, no. 6 (2023): 1–17. http://dx.doi.org/10.1145/3618324.

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Additive and subtractive hybrid manufacturing (ASHM) involves the alternating use of additive and subtractive manufacturing techniques, which provides unique advantages for fabricating complex geometries with otherwise inaccessible surfaces. However, a significant challenge lies in ensuring tool accessibility during both fabrication procedures, as the object shape may change dramatically, and different parts of the shape are interdependent. In this study, we propose a computational framework to optimize the planning of additive and subtractive sequences while ensuring tool accessibility. Our g
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Berktas, Ilayda, Ali Nejad Ghafar, Patrick Fontana, Ayten Caputcu, Yusuf Menceloglu, and Burcu Saner Okan. "Facile Synthesis of Graphene from Waste Tire/Silica Hybrid Additives and Optimization Study for the Fabrication of Thermally Enhanced Cement Grouts." Molecules 25, no. 4 (2020): 886. http://dx.doi.org/10.3390/molecules25040886.

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This work evaluates the effects of newly designed graphene/silica hybrid additives on the properties of cementitious grout. In the hybrid structure, graphene nanoplatelet (GNP) obtained from waste tire was used to improve the thermal conductivity and reduce the cost and environmental impacts by using recyclable sources. Additionally, functionalized silica nanoparticles were utilized to enhance the dispersion and solubility of carbon material and thus the hydrolyzable groups of silane coupling agent were attached to the silica surface. Then, the hybridization of GNP and functionalized silica wa
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Hinton, Jack, Dejan Basu, Maria Mirgkizoudi, David Flynn, Russell Harris, and Robert Kay. "Hybrid additive manufacturing of precision engineered ceramic components." Rapid Prototyping Journal 25, no. 6 (2019): 1061–68. http://dx.doi.org/10.1108/rpj-01-2019-0025.

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Purpose The purpose of this paper is to develop a hybrid additive/subtractive manufacturing platform for the production of high density ceramic components. Design/methodology/approach Fabrication of near-net shape components is achieved using 96 per cent Al3O2 ceramic paste extrusion and a planarizing machining operations. Sacrificial polymer support can be used to aid the creation of overhanging or internal features. Post-processing using a variety of machining operations improves tolerances and fidelity between the component and CAD model while reducing defects. Findings This resultant three
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Krokoszinski, H. ‐J, H. Oetzmann, H. Gernoth, and C. Schmidt. "Additive thin film technology for hybrid circuit fabrication." Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 3, no. 6 (1985): 2704–7. http://dx.doi.org/10.1116/1.572821.

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Dissertations / Theses on the topic "Fabrication additive hybride"

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Parent, Alex, and Alex Parent. "Développement d'un système de fabrication additive hybride par mise en fusion d'un filament d'aluminium grâce au chauffage par induction." Master's thesis, Université Laval, 2019. http://hdl.handle.net/20.500.11794/37159.

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Les machines de fabrication additive métallique actuelles sont dispendieuses et généralement peu productives. De plus, la plupart des pièces issues de la fabrication additive doivent être usinées après l’impression pour obtenir de bonnes tolérances géométriques. L’objectif de ce projet de recherche est de développer un système de fabrication additive hybride pouvant remplacer les machines d’usinage traditionnelles. Les systèmes hybrides combinent les avantages de la fabrication additive et de l’usinage dans un seul système. Ce mémoire présente le développement et la mise en service d’un systèm
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Jacques, Marjorie. "Développement d'une méthode de conception de moules et noyaux hybrides en fonderie." Thesis, Reims, 2019. http://www.theses.fr/2019REIMS021.

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Ces travaux de recherche ont pour objectif de définir une méthodologie de conception de moules hybrides en fonderie. Cette méthodologie est définie à partir des limites technico-économiques des procédés traditionnels de moulage et de l’impression 3D sable. Dans un premier temps, ces limites sont évaluées par la caractérisation mécanique et dimensionnelle des moules imprimés. Cette caractérisation mécanique a été réalisée à partir d’essais de flexion 3 points et de compression en fonction de différents paramètres. La capabilité dimensionnelle de l’imprimante 3D a été évaluée par la mesure d’épr
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Ushakov, Ilia. "Établissement des structures et propriétés mécaniques de l’alliage d’Inconel 625 dans les procédés d’élaboration additive à grande vitesse : arc fil, laser fil, laser poudre et hybride." Electronic Thesis or Diss., Université de Lorraine, 2023. http://www.theses.fr/2023LORR0147.

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Ce travail porte sur l'étude de l'établissement des structures et la caractérisation des propriétés mécaniques d'alliage d'Inconel 625 produites dans le cadre du projet PAM-PROD visant à réaliser des pièces de grande dimension par élaboration additive à grande vitesse. Trois techniques de dépôt sont étudiées : Arc/Fil, Laser/Fil et Laser/Poudre ainsi que la combinaison Laser/Fil et Laser/Poudre pour réalisation d'un mur hybride. Pour chaque procédés les macrostructures et microstructures sont caractérisées. Les procédés Arc/Fil et Laser/Poudre utilisés conduisent à une macrostructure mixte col
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Laplanche, Etienne. "Filtres à forts facteurs de qualité accordables continument." Thesis, Limoges, 2019. http://www.theses.fr/2019LIMO0064/document.

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De nouveaux besoins dans le domaine des télécommunications par satellite ont amené les industriels du secteur à se pencher sur l’optimisation des ressources en créant des systèmes reconfigurables, capables d’adapter leur fonctionnement fréquentiel en cours de mission. Cette thèse s’intéresse plus particulièrement aux multiplexeurs et à la manière de les rendre agiles à travers les filtres qui les composent ainsi qu’une adaptation de leur architecture.Dans un premier temps, le présent manuscrit dresse l’état de l’art des dispositifs accordables réalisés par les équipes de recherche du monde ent
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Elahpour, Nafise. "Organic-Inorganic Hybrid Bioactive Biomaterials for Tissue Engineering via Additive Manufacturing Techniques : Doping, Development, and Characterization." Electronic Thesis or Diss., Université Clermont Auvergne (2021-...), 2024. http://www.theses.fr/2024UCFA0062.

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Presque toutes les disciplines médicales peuvent nécessiter des biomatériaux, y compris la dentisterie, l'orthopédie et divers types de chirurgie. Les spécifications de ces biomatériaux varient en fonction du domaine et de l'application, ce qui conduit à un catalogue très diversifié. Cela inclut les greffes dérivées d'animaux et d'humains, ainsi que des catégories de matériaux significatives comme les métaux, les céramiques et les polymères, y compris des formes comme les hydrogels, les nanogels et les composites. Lors de la création d'un nouveau matériau, il est essentiel de considérer l'util
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Booysen, G., M. Truscott, D. Mosimanyane, and Beer D. De. "Combining additive fabrication and conventional machining technologies to develop a hybrid tooling approach." Interim : Interdisciplinary Journal, Vol 8, Issue 2: Central University of Technology Free State Bloemfontein, 2009. http://hdl.handle.net/11462/367.

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Published Article<br>South Africa is constantly loosing contracts for the manufacturing of innovative projects to the East, due to its non-competitive mould-making industry. The paper will report on progress made in a specific focus area in mould-making, namely Hybrid Moulds for injection moulding. Hybrid Moulds refers to a hybrid between Additive Fabrication and conventional methods through the use of amongst others, Direct Metal Laser Sintering techniques, combined with conventional CNC machining (High Speed) techniques. Although the emphasis is on an economically viable process for limited
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Liu, Fengyuan. "Design, fabrication and evaluation of a hybrid biomanufacturing system for tissue engineering." Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/design-fabrication-and-evaluation-of-a-hybrid-biomanufacturing-system-for-tissue-engineering(13717125-61ac-4f95-a83b-62a706a5ea15).html.

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The combined use of additive manufacturing (AM), biocompatible and biodegradable materials, cells and biomolecular signals is the most common biomanufacturing strategy applied in scaffold fabrication. AM processes offer a better control and the ability to actively design the porosity and interconnectivity of the scaffolds. When combined with clinical imaging data, these fabrication techniques can be used to produce constructs that are customised to the shape of the defect or injury. However, due to the hydrophobicity of the commonly used synthetic biopolymers, cell-seeding and proliferation ef
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Djebbi, Roua. "Contribution à la réalisation par technologies additives hybrides de composants microondes 3D multi-matériaux." Electronic Thesis or Diss., Limoges, 2024. http://www.theses.fr/2024LIMO0110.

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Ces travaux de thèse portent sur l’amélioration des performances de composants microondes 3D multi-matériaux réalisés par des technologies additives hybrides, en s'appuyant sur des techniques de recuit pour optimiser la conductivité électrique de pistes métalliques imprimées, et l’étude de différentes méthodes de caractérisation haute fréquence (HF) pour caractériser ces conducteurs. L'étude bibliographique réalisée a conduit à la sélection de technologies d’impression directe, telles que le jet d’aérosol (AJP) et la micro-extrusion de matière (nScrypt) pour les couches métalliques, ainsi que
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Tseng, Po-Kai, and 曾柏凱. "Hybrid Additive and Subtractive 3D Printing Process for Multi-Heterogeneous Objects Fabrication." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/h74s55.

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碩士<br>國立臺灣大學<br>電機工程學研究所<br>105<br>In recent years, three dimensional (3D) printing is the fastest growing technology. Nowadays, it has been largely applied in aerospace industry, industry and medicine engineering, etc. Additive manufacturing (AM) technologies not only reduce the new product development cycle, but also develop unique style models to satisfy users’ requirements. However, the additive manufacturing cannot complete the diversity and complexity products independently. We design the hybrid 3D printing machine including the additive and subtractive processes to complete the products
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Book chapters on the topic "Fabrication additive hybride"

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Peterson, Eric, and Bhavleen Kaur. "Printing Compound-Curved Sandwich Structures with Robotic Multi-Bias Additive Manufacturing." In Computational Design and Robotic Fabrication. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-8405-3_44.

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AbstractA research team at Florida International University Robotics and Digital Fabrication Lab has developed a novel method for 3d-printing curved open grid core sandwich structures using a thermoplastic extruder mounted on a robotic arm. This print-on-print additive manufacturing (AM) method relies on the 3d modeling software Rhinoceros and its parametric software plugin Grasshopper with Kuka-Parametric Robotic Control (Kuka-PRC) to convert NURBS surfaces into multi-bias additive manufacturing (MBAM) toolpaths. While several high-profile projects including the University of Stuttgart ICD/ITKE Research Pavilions 2014–15 and 2016–17, ETH-Digital Building Technologies project Levis Ergon Chair 2018, and 3D printed chair using Robotic Hybrid Manufacturing at Institute of Advanced Architecture of Catalonia (IAAC) 2019, have previously demonstrated the feasibility of 3d printing with either MBAM or sandwich structures, this method for printing Compound-Curved Sandwich Structures with Robotic MBAM combines these methods offering the possibility to significantly reduce the weight of spanning or cantilevered surfaces by incorporating the structural logic of open grid-core sandwiches with MBAM toolpath printing. Often built with fiber reinforced plastics (FRP), sandwich structures are a common solution for thin wall construction of compound curved surfaces that require a high strength-to-weight ratio with applications including aerospace, wind energy, marine, automotive, transportation infrastructure, architecture, furniture, and sports equipment manufacturing. Typical practices for producing sandwich structures are labor intensive, involving a multi-stage process including (1) the design and fabrication of a mould, (2) the application of a surface substrate such as FRP, (3) the manual application of a light-weight grid-core material, and (4) application of a second surface substrate to complete the sandwich. There are several shortcomings to this moulded manufacturing method that affect both the formal outcome and the manufacturing process: moulds are often costly and labor intensive to build, formal geometric freedom is limited by the minimum draft angles required for successful removal from the mould, and customization and refinement of product lines can be limited by the need for moulds. While the most common material for this construction method is FRP, our proof-of-concept experiments relied on low-cost thermoplastic using a specially configured pellet extruder. While the method proved feasible for small representative examples there remain significant challenges to the successful deployment of this manufacturing method at larger scales that can only be addressed with additional research. The digital workflow includes the following steps: (1) Create a 3D digital model of the base surface in Rhino, (2) Generate toolpaths for laminar printing in Grasshopper by converting surfaces into lists of oriented points, (3) Generate the structural grid-core using the same process, (4) Orient the robot to align in the direction of the substructure geometric planes, (5) Print the grid core using MBAM toolpaths, (6) Repeat step 1 and 2 for printing the outer surface with appropriate adjustments to the extruder orientation. During the design and printing process, we encountered several challenges including selecting geometry suitable for testing, extruder orientation, calibration of the hot end and extrusion/movement speeds, and deviation between the computer model and the physical object on the build platen. Physical models varied from their digital counterparts by several millimeters due to material deformation in the extrusion and cooling process. Real-time deviation verification studies will likely improve the workflow in future studies.
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Özdemir, E., L. Kiesewetter, K. Antorveza, et al. "Towards Self-shaping Metamaterial Shells:." In Proceedings of the 2021 DigitalFUTURES. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-5983-6_26.

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AbstractDouble curvature enables elegant and material-efficient shell structures, but their construction typically relies on heavy machining, manual labor, and the additional use of material wasted as one-off formwork. Using a material’s intrinsic properties for self-shaping is an energy and resource-efficient solution to this problem. This research presents a fabrication approach for self-shaping double-curved shell structures combining the hygroscopic shape-changing and scalability of wood actuators with the tunability of 3D-printed metamaterial patterning. Using hybrid robotic fabrication, components are additively manufactured flat and self-shape to a pre-programmed configuration through drying. A computational design workflow including a lattice and shell-based finite element model was developed for the design of the metamaterial pattern, actuator layout, and shape prediction. The workflow was tested through physical prototypes at centimeter and meter scales. The results show an architectural scale proof of concept for self-shaping double-curved shell structures as a resource-efficient physical form generation method.
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Das, Ankan, Himangshu Kalita, Sajan Kapil, and Pankaj Biswas. "Feasibility Study for Fabricating Smart Structures Using Hybrid Additive Manufacturing Based on Friction Stir Welding." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-5919-8_45.

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Salary, Roozbeh, Jack P. Lombardi, Darshana L. Weerawarne, Prahalada K. Rao, and Mark D. Poliks. "Toward Defect-Free Additive Fabricating of Flexible and Hybrid Electronics: Physics-Based Computational Modeling and Control of Aerosol Jet Printing." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20216-3_33.

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Chu, Yushi, Liling Dong, Yanhua Luo, Jianzhong Zhang, and Gang-Ding Peng. "Additive Manufacturing of Optical Waveguides." In Hybrid Planar - 3D Waveguiding Technologies [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.105349.

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Optical waveguides play an important role in both scientific research and industrial applications. Additive manufacturing (AM) or three-dimensional (3D)-printing technology has great potential to revolutionize manufacturing of optical waveguides. AM offers a great opportunity in developing optical waveguides demanding new material compositions and structure designs for functionalities needed in fast-evolving modern applications such as Internet of things (IoT). These demands have become so diverse and sophisticated that the traditional waveguide manufacturing cannot meet. In this chapter, we briefly introduce optical fibers one of the most common typical optical waveguides and present the process and perspective of optical fiber fabrication by AM technology.
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Hashem Abdelmohsen, Ahmed, Sherif A. El-Khodary, and Nahla Ismail. "Theories, Hypothesis and Rules for Morphology Transition Engineering of 1D, 2D and 3D Nanomaterials." In Nanotechnology and Nanomaterials. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.112135.

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Most of the chemical and physical properties of nanomaterials vary remarkably according to their size, shape, and structure. Thus morphology is a crucial parameter that controls the properties and functionality of materials. On the basis of Abdelmohsen et al.’s theories and hypothesis, which are theory for morphology transition engineering (ATMTE), theory for morphology engineering of solid compounds (ATMESC), and hypothesis for engineering of micro- and nanostructures (AHEMNS), novel approach was modified for fabricating one-, two-, and three-dimensional hybrid nanomaterials, such as hybrid ZnO nanosheets (38–150 nm), hybrid ZnO nanorods, hybrid nanocomposites, and hierarchical hybrid Cu2O nanostructures. In addition, by the help of this novel method, the fabrication of metal-oxidene (one/few atoms thick layer of metal oxides) is assumed and hybrid ZnO thin film that is expected to have extraordinary physicochemical properties. A series of selection rules and morphology engineering rules are discussed. Throughout this chapter, we will come across this novel approach as a promising technique for nanofabrication and discuss the suggested mechanisms for the evolution process during fabrication of nanomaterials. By the help of this method, we have fabricated 1D, 2D and 3D nanomaterials that are expected to have potential use for energy, catalysis, biomedical, and other applications.
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Senthilkumar, V., Velmurugan C., K. R. Balasubramanian, and M. Kumaran. "Additive Manufacturing of Multi-Material and Composite Parts." In Advances in Civil and Industrial Engineering. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-4054-1.ch007.

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Additive manufacturing (AM) technology can be employed to produce multimaterial parts. In this approach, multiple types of materials are used for the fabrication of a single part. Custom-built functionally graded, heterogeneous, or porous structures and composite materials can be fabricated thorough this process. In this method, metals, plastics, and ceramics have been used with suitable AM methods to obtain multi-material products depending on functional requirements. The process of making composite materials by AM can either be performed during the material deposition process or by a hybrid process in which the combination of different materials can be performed before or after AM as a previous or subsequent stage of production of a component. Composite processes can be employed to produce functionally graded materials (FGM).
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Equbal, Azhar, Md Asif Equbal, Md Israr Equbal, and Anoop Kumar Sood. "Multi-Criterion Decision Method for Roughness Optimization of Fused Deposition Modelled Parts." In Additive Manufacturing Technologies From an Optimization Perspective. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-9167-2.ch012.

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Fused deposition modelling is an extrusion-based automated fabrication process for making 3D physical objects from part digital information. The process offers distinct advantages, but the quality of part lacks in surface finish when compared with other liquid or powder based additive manufacturing processes. Considering the important factors affecting the part quality, the chapter attempted to optimize the raster angle, air gap, and raster width to minimize overall part roughness. Experiments are designed using face-centered central composite design and analysis of variance provides the effects of processing parameters on roughness of part. Suitability of developed model is tested using Anderson-darling normality test. Desirability method propose that roughness of different part faces are affected differently with chosen parameters, and thus, hybrid approach of WPCA based TOPSIS is used to break the correlation between part faces and reduce the overall part roughness. Optimizing shows that lower raster angle, lower air gap, and larger raster width minimizes overall part roughness.
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Joseph, Jithin. "Direct Laser Fabrication of Compositionally Complex Materials." In Advances in Civil and Industrial Engineering. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-4054-1.ch008.

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Additive manufacturing (AM) opens up the possibility of a direct build-up of components with sophisticated internal features or overhangs that are difficult to manufacture by a single conventional method. As a cost-efficient, tool-free, and digital approach to manufacturing components with complex geometries, AM of metals offers many critical benefits to various sectors such as aerospace, medical, automotive, and energy compared to conventional manufacturing processes. Direct laser fabrication (DLF) uses pre-alloyed powder mix or in-situ alloying of the elemental powders for metal additive manufacturing with excellent chemical homogeneity. It, therefore, shows great promise to enable the production of complex engineering components. This technique allows the highest build rates of the AM techniques with no restrictions on deposit size/shape and the fabrication of graded and hybrid materials by simultaneously feeding different filler materials. The advantages and disadvantages of DLF on the fabrication of compositionally complex metallic alloys are discussed in the chapter.
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Hallan, S. S. "Biomedical Applications of Zinc Oxide Nano-Carriers: An Ingenious Tool." In ZnO and Their Hybrid Nano-Structures. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902394-8.

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The zinc oxide-based nanoparticles have become the center of interest among the research community, especially in the field of biomedical sciences. They have unique inherent features which help with reduction in biofilm development, anti-bacterial/microbial potential, in addition to transporting active drug molecules to the target site. Further, the concept of green synthesis can also be applied in their fabrication. The effectiveness of these nanomaterials can be improved by transferring them into a gel system. This book chapter focuses on the recent advancements, technical challenges related to surface chemistry, shape and in designing these nanomaterials.
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Conference papers on the topic "Fabrication additive hybride"

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Rizza, Gregory, and Manish Kamal. "Enabling Lower Cost Assembly using Hybrid Additive Manufacturing." In Vertical Flight Society 74th Annual Forum & Technology Display. The Vertical Flight Society, 2018. http://dx.doi.org/10.4050/f-0074-2018-12808.

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Any power-driven transportation vehicle is a complex system, composed of numerous assemblies, sub-assemblies and components encompassing various mechanical, structural, electrical and computer systems for its operation. Depending on the mode of transportation, be it land vehicles, sea vessels, aircraft or spacecraft, each application has its own set of challenges in its development and production. The need for improved part performance along with reduced manufacturing cost is a driver for technological innovations in both design and manufacturing processes. This paper focuses on an innovative
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Kumar, Shailendra, Hardik D. Sondagar, Vishal Naranje, and Soham Teraiya. "Additively Manufactured Hybrid and Hierarchical Auxetic Structures: A Review." In 3rd International Conference on Recent Advances in Materials and Manufacturing Technologies. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-86fmzf.

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Auxetic structures have gained extensive popularity because of their unique mechanical properties such as negative Poisson’s ratio, high strength to weight ratio, energy absorption capabilities, high shear modulus and vibro-acoustic properties. These structures are widely used in automotive shock absorbers, crash box, fasteners, sound absorbers, air seat cushions, and biomedical applications. Over the last few years, additive manufacturing (AM) techniques are widely used for fabrication of these structures. conventional auxetic structures possess limited plateau stress and energy absorption. I
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Darmstadt, Patrick, Anthony Hendrickson, Jeron Moore, Kelli Barbato, Robert Vitlip, and Zhenning Hu. "Thick-Walled Composite Cylinder Fabrication to Support Composite Rotor Shaft Development for CH-47 Chinook." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-12095.

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Modifications are being made to the CH-47 Drive System in order to increase power capacity and lower operating costs. In addition to designing in capacity improvements to the CH-47 Drive System, Boeing is investigating weight reduction technologies for the CH-47F Block II Program. One opportunity is focused on advancing the Manufacturing Readiness Level (MRL) and Technology Readiness Level (TRL) of a Fiber-Reinforced Polymer (Composite) Section of the Chinook's Aft Rotor Shaft. The Composite Section is calculated to save over 50 pounds in the Aft Section of the aircraft. The Hybrid Steel/Compo
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Ulaeto, Sarah B., Gincy Marina Mathew, Jerin K. Pancrecious, and T. P. D. Rajan. "Anticorrosion Performance of Smart Release Bionanocomposite Coatings on Aluminium Alloy 6061." In CONFERENCE 2022. AMPP, 2022. https://doi.org/10.5006/c2022-18189.

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ABSTRACT Protection and maintenance processes are very important in the various sectors utilizing metallic materials. Protection routes can either be passive or active depending on the components of the coating material. Active corrosion protection for metallic substrates is being widely explored with the use of smart release coatings delivering corrosion inhibitors to defective sites upon damage of protective coatings. The incorporation of modified additives into polymers such as epoxy resins offers robust solutions and aims at maximizing the materials’ compatibility for the fabrication of pr
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Obata, Kotaro, Shi Bai, and Koji Sugioka. "Additive and subtractive manufacturing process by hybrid laser material processing." In Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XIV, edited by Georg von Freymann, Eva Blasco, and Debashis Chanda. SPIE, 2021. http://dx.doi.org/10.1117/12.2579336.

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Patterson, Albert E., and James T. Allison. "Manufacturability Constraint Formulation for Design Under Hybrid Additive-Subtractive Manufacturing." In ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/detc2018-85637.

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This article addresses the generation and use of manufacturability constraints for design under hybrid additive/subtractive processes. A method for discovering the natural constraints inherent in both additive and subtractive processes is developed; once identified, these guidelines can be converted into mathematical manufacturability constraints to be used in the formulation of design problems. This ability may prove to be useful by enhancing the practicality of designs under realistic hybrid manufacturing conditions, and supporting better integration of classic design-for-manufacturability p
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Oliveira, Marcos B., Alexander Lurie, David Ewen, Philip Long, Taskin Padir, and Samuel M. Felton. "Hybrid Fabrication of a Soft Bending Actuator With Casting and Additive Manufacturing." In ASME 2019 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/detc2019-97842.

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Abstract In this paper, we present the design, modeling and, fabrication of a soft bending actuator that combines casting techniques and additive manufacturing. We performed tests to evaluate the bending actuator’s angular deflection and tip force. We demonstrated flexibility in the process by varying the bladder material. We also showed the actuator’s resilience to damage by cutting and puncturing the exoskeleton prior to operation. Finally, we integrated the bending actuator into a three-finger gripper configuration and performed a gripping test for four different objects with various weight
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Alrashdan, Abdulrahman, William Jordan Wright, and Emrah Celik. "Light Assisted Hybrid Direct Write Additive Manufacturing of Thermosets." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-24525.

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Abstract In the past recent years, numerous studies have been conducted on additive manufacturing of thermosets and thermoset composites. Thermosets are an important class of polymers used in engineering applications. Monomer units in these material systems irreversibly cross-link when external stimuli or a chemical crosslinking agent is applied in terms of the curing or photopolymerization process. Thermally curing thermosets mark unique mechanical properties including, high temperature resistance, strong chemical bond, and structural integrity and therefore these materials find wide range of
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Jonušauskas, Linas, Dovile Andrijec, Tomas Baravykas, et al. "Hybrid additive-subtractive femtosecond laser 3D fabrication of medical microdevices (Conference Presentation)." In Laser 3D Manufacturing VII, edited by Henry Helvajian, Bo Gu, and Hongqiang Chen. SPIE, 2020. http://dx.doi.org/10.1117/12.2544578.

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Gupta, Ellen, Zachary Larimore, Mark Mirotznik, and Kelvin Nicholson. "Fabrication of conformal metasurface RF devices using 6-axis hybrid additive manufacturing." In 2021 International Conference on Electromagnetics in Advanced Applications (ICEAA). IEEE, 2021. http://dx.doi.org/10.1109/iceaa52647.2021.9539837.

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