Relevant bibliographies by topics / Electron beam sintering

Academic literature on the topic 'Electron beam sintering'

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Published: 30 May 2022
Last updated: 31 May 2022

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Journal articles on the topic "Electron beam sintering"

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Burdovitsin, Victor, Edgar S. Dvilis, Aleksey Zenin, Aleksandr Klimov, Efim Oks, Vitaliy Sokolov, Artem A. Kachaev, and Oleg L. Khasanov. "Electron Beam Sintering of Zirconia Ceramics." Advanced Materials Research 872 (December 2013): 150–56. http://dx.doi.org/10.4028/www.scientific.net/amr.872.150.

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The work demonstrated the sintering of zirconium dioxide ceramics by means of an electron beam produced by a plasma-cathode e-beam source operating at fore-vacuum pressure. The sintered ceramics consist of tetragonal-modified zirconium dioxide with grain size from 0.7 to 10 micrometers, depending on the sintering conditions. At constant sintering temperature, the density of the material and its grain size depend on the integrated energy injected into the sintered material by the electron beam.
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Sun, Chen-Nan, Mool C. Gupta, and Karen M. B. Taminger. "Electron Beam Sintering of Zirconium Diboride." Journal of the American Ceramic Society 93, no. 9 (April 14, 2010): 2484–86. http://dx.doi.org/10.1111/j.1551-2916.2010.03832.x.

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Milberg, J., and M. Sigl. "Electron beam sintering of metal powder." Production Engineering 2, no. 2 (March 4, 2008): 117–22. http://dx.doi.org/10.1007/s11740-008-0088-2.

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Klimov, A. S., I. Y. Bakeev, and A. A. Zenin. "Electron beam sintering of Mn-Zn ferrites using a forevacuum plasma electron source." Journal of Physics: Conference Series 2064, no. 1 (November 1, 2021): 012050. http://dx.doi.org/10.1088/1742-6596/2064/1/012050.

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Abstract The article presents the results of electron beam sintering without applying pressure of Mn-Zn ferrites in an oxygen environment. Samples for sintering were made from fine powders and pressed at various pressures into compacts in the form of disks. Measurements of the elemental composition and structure of the sample after sintering are presented. It is shown that the result of sintering depends on the pressing pressure of compacts, time and temperature of sintering.
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Neronov, V. A., A. P. Voronin, M. I. Tatarintseva, T. E. Melekhova, and V. L. Auslender. "Sintering under a high-power electron beam." Journal of the Less Common Metals 117, no. 1-2 (March 1986): 391–94. http://dx.doi.org/10.1016/0022-5088(86)90065-2.

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Klimov, A. S., I. Y. Bakeev, and A. A. Zenin. "Influence of electron-beam heating modes on the structure of composite ZrO2-Al2O3 ceramics." Journal of Physics: Conference Series 2064, no. 1 (November 1, 2021): 012049. http://dx.doi.org/10.1088/1742-6596/2064/1/012049.

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Abstract The article presents the results of electron beam sintering of composite ceramics based on Al2O3 and ZrO2 powders. Samples were made with different contents of Al2O3 and ZrO2 components and different pressing pressures. Sintering was carried out in vacuum at a helium pressure of 30 Pa. An electron beam generated by a forevacuum plasma electron source was used for sintering. It is shown that the sintering result depends on the pressing pressure and the percentage of components. The influence of the geometry of the samples and their composition on the temperature drop over their volume during sintering has been determined.
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De Riccardis, Maria Federica, Daniela Carbone, Emanuela Piscopiello, Antonella Rizzo, and Marco Vittori Antisari. "Sintering of EPD Ceramic Coatings by Electron Beam." Advances in Science and Technology 45 (October 2006): 1200–1205. http://dx.doi.org/10.4028/www.scientific.net/ast.45.1200.

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In order to obtain wear resistant coating as well as thermal barrier on metallic substrates by EPD, the conventional high temperature treatments are inapplicable; so we used an alternative method to densify and make the electrophoretic deposit more adherent. In this work we described a novel method to obtain EPD deposits with good density and adherence to stainless steel substrate. At first, we achieved stabilized alumina and alumina-zirconia based suspensions; to improve the adhesion of ceramic coating on metal, some stainless steel substrates were sandblasted, others were coated with titanium bond layers. Then the substrates were coated by EPD; finally, we used the electron beam to treat the ceramic coating-metallic substrate system on the surface; in this way we obtained adherent and dense EPD coatings. In order to evaluate the quality and the microstructure of the coating sintering, the samples were observed by scanning and transmission electron microscopy; pull tests showed the adhesion of treated EPD coating was about one hundred times higher than that of deposited EPD coating.
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Klimov, A. S., I. Yu Bakeev, E. S. Dvilis, E. M. Oks, and A. A. Zenin. "Electron beam sintering of ceramics for additive manufacturing." Vacuum 169 (November 2019): 108933. http://dx.doi.org/10.1016/j.vacuum.2019.108933.

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Klimov, Aleksandr, Ilya Bakeev, Efim Oks, and Aleksey Zenin. "Electron Beam Sintering of Composite Al2O3-ZrO2 Ceramics in the Forevacuum Pressure Range." Coatings 12, no. 2 (February 20, 2022): 278. http://dx.doi.org/10.3390/coatings12020278.

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We describe our investigations of electron beam sintering of multilayer ZrO2-Al2O3 composite ceramics in the forevacuum pressure range (~30 Pa). To generate the electron beam, a plasma-cathode electron source operating in the forevacuum pressure range was used; this kind of source provides the capability of direct processing of non-conducting materials. We studied the effect of electron beam sintering on the temperature drop with sample depth for different layer thicknesses and determined the optimal layer thickness to ensure minimal temperature drop. We show that in order to minimize the temperature difference and improve the sintering, it is necessary to take into account the thermophysical parameters of the sintered materials. Forming a layered structure taking into account the coefficient of thermal conductivity of the layer materials allows a reduction in the temperature gradient by 150 °C for samples of 3 mm thickness.
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Kostenko, Valeria, Ivan Vasiliev, Sergey Shevelev, and Sergei A. Ghyngazov. "Two-Step Sintering of Zirconia Ceramics by Intense High-Energy Electron Beam." Materials Science Forum 970 (September 2019): 1–6. http://dx.doi.org/10.4028/www.scientific.net/msf.970.1.

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A comparative analysis of the efficiency of zirconia ceramics high-energy electron beam sintering by one-step mode and two-step mode sintering was performed for compacts prepared from commercial TZ-3Y-E grade and plasmo-chemical powders. The electron energy was 1.4 MeV. The samples were sintered in the temperature range of 1100–1300°C. The extent of influence of one-step and two-step sintering mode on the characteristics of sintered ceramics depends on the initial powders. Сorrectly chosen the temperature mode of two-step sintering (Ts1=1300°C t = 15 min, Ts2=1200°C t=1 h) leads to an increase of the density and microhardness values of ceramics relatively considered of results at one-step and two-step mode of sintering.
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Dissertations / Theses on the topic "Electron beam sintering"

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Левіцький, Анатолій Миколайович. "Структура та властивості сплавів систем Nb-Si-B, Nb-Si-Cr, Nb-Si-Ti, Nb-Si-Mo для високотемпературних застосувань." Master's thesis, КПІ ім. Ігоря Сікорського, 2019. https://ela.kpi.ua/handle/123456789/31364.

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Об’єкт дослідження: сплави систем Nb-Si-(B, Cr, Mo, Ti) ат. %: Nb-25Si-13B, Nb-Si-25Cr, Nb-6Si-30Cr, Nb-6Si-35Cr, Nb-20Si-2Mo, Nb-20Si-4Mo, Nb-20Si-6Mo, Nb-20Si-22Ti, Nb-20Si-24Ti, одержані електронно-променевим спіканням. Метою роботи є вивчення структури та властивостей евтектичних сплавів систем Nb-Si-(B, Cr, Mo, Ti), одержаних електронно-променевим оплавленням. Методи дослідження та апаратура: отримання сплавів систем Nb-Si-(B, Cr, Mo, Ti) здійснювалось в установці ЭЛА-6. За допомогою комплексу високоінформативних методів фізичного матеріалознавства (електронної мікроскопії, мікрорентгеноспектрального аналізу) досліджено мікро- та макроструктуру, хімічний склад фазових складових сплавів систем Nb-Si-(B, Cr, Mo, Ti). Також виміряна мікротвердість та тріщиностійкість на мікротвердомірі ПМТ-3.
The object of study: the alloys of the system Nb-Si-(B, Cr, Mo, Ti) at. %: Nb-25Si-13B, Nb-Si-25Cr, Nb-6Si-30Cr, Nb-6Si-35Cr, Nb-20Si-2Mo, Nb-20Si-4Mo, Nb-20Si-6Mo, Nb-20Si-22Ti, Nb-20Si-24Ti obtained by electron beam sintering. The purpose of the work is to study the structure and properties of alloys of the Nb-Si-(B, Cr, Mo, Ti) system obtained by electron beam sintering. Research methods and equipment: the alloys of system Nb-Si-(B, Cr, Mo, Ti) were obtained by ELA-6. The micro- and macrostructure, the chemical composition of the phase components of the resulting Nb-Si-(B, Cr, Mo, Ti) alloys, was studied using a set of highly informative methods of physical material science (electron microscopy, chemical analysis). It was measured is microhardness and crack resistance.
Объект исследования: сплавы систем Nb-Si-(B, Cr, Mo, Ti) ат. %: Nb-25Si-13B, Nb-Si-25Cr, Nb-6Si-30Cr, Nb-6Si-35Cr, Nb-20Si-2Mo, Nb-20Si-4Mo, Nb-20Si-6Mo, Nb-20Si-22Ti, Nb- 20Si-24Ti, полученные электронно-лучевым оплавлением. Целью работы является изучение структуры и свойств эвтектических сплавов систем Nb-Si-(B, Cr, Mo, Ti), полученных электронно-лучевым оплавлением. Методы исследования и аппаратура: получение сплавов систем Nb-Si-(B, Cr, Mo, Ti) осуществлялось в установке Эла-6. С помощью комплекса высокоинформативных методов физического материаловедения (электронной микроскопии, микрорентгеноспектрального анализа) исследованы микро- и макроструктура, химический состав фазовых составляющих сплавов систем Nb-Si-(B, Cr, Mo, Ti). Также измерена микротвердость и трещиностойкость на Микротвердомере ПМТ-3.
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Poczklán, Ladislav. "Modifikace kvazikrystalických kompaktů SPS pomocí technologie elektronového paprsku." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2018. http://www.nusl.cz/ntk/nusl-377885.

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The quasicrystals are characterized by unusual rotational symmetries that are not observed in the crystalline materials, which is the cause of their interesting material properties. Because of that a particular attention was paid to quasicrystalline structures in the literature research. The research also contains a description of electron beam technology, spark plasma sintering method and introduction to the problematics of wear. As the default materials for the experimental part were selected Titanium Grade 2 powder and Cristome A5 powder which was partially composed of quasicrystalline phase. The first series of samples was sintered only from powder Cristome A5. The second series was sintered from the mixture of 80 % Titanium Grade 2 powder and 20 % Cristome A5 powder. For the compaction of samples spark plasma sintering technology was selected. Samples were then systematically modified by electron beam and subjected to pin on disc tests. Samples modified at 750 °C had the best wear resistance. Samples modified at 1150 °C contained increased amount of quasicrystalline phase.
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Onyeako, Isidore. "Resolution-aware Slicing of CAD Data for 3D Printing." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/34303.

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3D printing applications have achieved increased success as an additive manufacturing (AM) process. Micro-structure of mechanical/biological materials present design challenges owing to the resolution of 3D printers and material properties/composition. Biological materials are complex in structure and composition. Efforts have been made by 3D printer manufacturers to provide materials with varying physical, mechanical and chemical properties, to handle simple to complex applications. As 3D printing is finding more medical applications, we expect future uses in areas such as hip replacement - where smoothness of the femoral head is important to reduce friction that can cause a lot of pain to a patient. The issue of print resolution plays a vital role due to staircase effect. In some practical applications where 3D printing is intended to produce replacement parts with joints with movable parts, low resolution printing results in fused joints when the joint clearance is intended to be very small. Various 3D printers are capable of print resolutions of up to 600dpi (dots per inch) as quoted in their datasheets. Although the above quoted level of detail can satisfy the micro-structure needs of a large set of biological/mechanical models under investigation, it is important to include the ability of a 3D slicing application to check that the printer can properly produce the feature with the smallest detail in a model. A way to perform this check would be the physical measurement of printed parts and comparison to expected results. Our work includes a method for using ray casting to detect features in the 3D CAD models whose sizes are below the minimum allowed by the printer resolution. The resolution validation method is tested using a few simple and complex 3D models. Our proposed method serves two purposes: (a) to assist CAD model designers in developing models whose printability is assured. This is achieved by warning or preventing the designer when they are about to perform shape operations that will lead to regions/features with sizes lower than that of the printer resolution; (b) to validate slicing outputs before generation of G-Codes to identify regions/features with sizes lower than the printer resolution.
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Conti, Alfredo. "Tecniche della manifattura additiva - applicazioni in ambito aeronautico e aerospaziale." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13306/.

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Il potenziale delle nuove tecnologie digitali applicate al settore industriale ha consentito di ridurre enormemente la durata dei cicli produttivi grazie alla rapida gestione di quantità di dati sempre più considerevoli attraverso l’introduzione delle Macchine a Controllo Numerico (Computer Numerical Control – CNC). Nel corso delle ultime tre decadi, l’industria manifatturiera ha subito notevoli e sostanziali cambiamenti grazie ad una sempre più forte connessione con il mondo dell’informatica. La più grande rivoluzione in tale ambito è stata segnata dall’avvento della Manifattura Additiva (Additive Manufacturing - AM), conosciuta sotto diversi nomi, tra i quali Prototipazione Rapida (Rapid Prototyping), Manifattura Rapida (Rapid Manufacturing) o Libera Fabbricazione di Forme (Free Form Fabrication). Materia di ricerca e sviluppo sin dalla fine degli anni ’80, la Manifattura Additiva consente la creazione di elementi fisici tridimensionali partendo da modelli CAD attraverso la sovrapposizione successiva di materiale strato per strato (layer by layer), offrendo i benefici di una elevata flessibilità geometrica degli elaborati, altrimenti irraggiungibile attraverso le tradizionali tecniche di Manifattura Sottrattiva operanti per asportazione di materiale. In seguito ad intensive ricerche, progressi significativi sono stati fatti nello sviluppo e nella commercializzazione di nuovi ed innovativi processi AM.
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Books on the topic "Electron beam sintering"

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Lutzmann, Stefan. Beitrag zur Prozessbeherrschung des Elektronenstrahlschmelzens. München: Herbert Utz Verlag, 2011.

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Sigl, Matthäus. Ein Beitrag zur Entwicklung des Elektronenstrahlsinterns. München: H. Utz, 2008.

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Book chapters on the topic "Electron beam sintering"

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Okamura, Kiyohito, Mitsuhiko Sato, Tadao Seguchi, and Shunichi Kawanishi. "Application of Electron Beam Irradiation for Preparation of Sic Fiber from Polycarbosilane." In Sintering ’87, 102–7. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1373-8_18.

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de Riccardis, M. Federica, Daniela Carbone, Emanuela Piscopiello, Antonella Rizzo, and Marco Vittori Antisari. "Sintering of EPD Ceramic Coatings by Electron Beam." In Advances in Science and Technology, 1200–1205. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/3-908158-01-x.1200.

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Yan, Ming, and Peng Yu. "An Overview of Densification, Microstructure and Mechanical Property of Additively Manufactured Ti-6Al-4V — Comparison among Selective Laser Melting, Electron Beam Melting, Laser Metal Deposition and Selective Laser Sintering, and with Conventional Powder." In Sintering Techniques of Materials. InTech, 2015. http://dx.doi.org/10.5772/59275.

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Conference papers on the topic "Electron beam sintering"

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Klimov, Aleksander, Efim Oks, Aleksey Zenin, and Ilya Bakeev. "Electron-Beam Sintering of Metalloceramic Materials in Medium Vacuum." In 2020 7th International Congress on Energy Fluxes and Radiation Effects (EFRE). IEEE, 2020. http://dx.doi.org/10.1109/efre47760.2020.9241931.

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Shen, Ninggang, and Kevin Chou. "Thermal Modeling of Electron Beam Additive Manufacturing Process: Powder Sintering Effects." In ASME 2012 International Manufacturing Science and Engineering Conference collocated with the 40th North American Manufacturing Research Conference and in participation with the International Conference on Tribology Materials and Processing. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/msec2012-7253.

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In recently developed Additive Manufacturing (AM) technologies, high-energy sources have been used to fabricate metallic parts, in a layer by layer fashion, by sintering and/or melting metal powders. In particular, Electron Beam Additive Manufacturing (EBAM) utilizes a high-energy electron beam to melt and fuse metal powders to build solid parts. EBAM is one of a few AM technologies capable of making full-density metallic parts and has dramatically extended their applications. Heat transport is the center of the process physics in EBAM, involving a high-intensity, localized moving heat source and rapid self-cooling, and is critically correlated to the part quality and process efficiency. In this study, a finite element model was developed to simulate the transient heat transfer in a part during EBAM subject to a moving heat source with a Gaussian volumetric distribution. The developed model was first examined against literature data. The model was then used to evaluate the powder porosity and the beam size effects on the high temperature penetration volume (melt pool size). The major findings include the following. (1) For the powder layer case, the melt pool size is larger with a higher maximum temperature compared to a solid layer, indicating the importance of considering powders for the model accuracy. (2) With the increase of the porosity, temperatures are higher in the melt pool and the molten pool sizes increase in the depth, but decrease along the beam moving direction. Furthermore, both the heating and cooling rates are higher for a lower porosity level. (3) A larger electron-beam diameter will reduce the maximum temperature in the melt pool and temperature gradients could be much smaller, giving a lower cooling rate. However, for the tested electron beam-power level, the beam diameter around 0.4 mm could be an adequate choice.
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Gong, Xibing, and Kevin Chou. "Characterization of Sintered Ti-6Al-4V Powders in Electron Beam Additive Manufacturing." In ASME 2013 International Manufacturing Science and Engineering Conference collocated with the 41st North American Manufacturing Research Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/msec2013-1131.

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In the powder-based electron beam additive manufacturing (EBAM) process, preheating is applied, prior to the melting stage, to aggregate precursor powders and to reduce the residual stresses in the build parts. Preheating results in sintering of the powders, which serve as the initial work material for the subsequent melting stage. In this study, sintered Ti-6Al-4V alloy powders from preheating were obtained and studied. The specimens of sintered powders, also processed to prepare metallographic samples, were observed and characterized by optical microscopy (OM) and scanning electron microscopy (SEM). The results show that after preheating, some powders are partially “melted” and necks between adjacent particles are formed with metallurgical bonds. The sintering evidence, necking, can be noted on both the build plane and the side surface (normal to the build plane). The Baktetwave α-β structure is identified in the powders, while the martensitic structure is formed in the solid EBAM part.
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Zaeh, Michael F., Stefan Lutzmann, Gregor Branner, and Gerhard Strasser. "Solutions for Modelling the Energy Input in Electron Beam Material Processing." In ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2008. http://dx.doi.org/10.1115/esda2008-59539.

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Additive Layer manufacturing methods constitute an interesting alternative with respect to the production of small series and customized products. Among other advantages, these methods offer an extensive flexibility concerning end customer parts (Rapid Manufacturing) or tools for prototypes and small batches (Rapid Tooling). Up to recent years, machines using laser beams for the solidification of powder material, e.g. Selective Laser Melting, were available on the world market. However, the extensive use of the electron beam in manufacturing processes like welding or perforating revealed its considerable potentials. These are, among others, fast beam deflection, high beam power density as well as high efficiency. Therefore, commercial organizations and research institutions like the iwb make use of this energy source in additive layer manufacturing. The resulting technology Electron Beam Sintering (EBS) is characterized by a complex interaction of various process parameters. In this paper, methods of numerical simulation are used in order to model the process sequence of solidification and to define the governing factors. The heat transfer into the powder bed has been identified as a vital aspect concerning the process stability and the resulting part quality. Therefore, the interaction between beam and powder material is being examined in detail. First, the process is subdivided into discretized solidification steps which enable the definition of a certain system boundary. Second, the determining differential equations are being formed and, due to various boundary conditions, solved using a commercially available software package, implying the Finite Element Method (FEM). Third, the necessary energy input into the powder can be determined and finally, experimental series are being conducted in order to validate the numerical results and identify optimum process parameters.
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Shen, Ninggang, and Kevin Chou. "Simulations of Thermo-Mechanical Characteristics in Electron Beam Additive Manufacturing." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-88476.

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In the direct digital metal manufacturing, Electron Beam Additive Manufacturing (EBAM) has been used to fabricate sophisticated metallic parts, in a layer by layer fashion, by sintering and/or melting metal powders. In principle, EBAM utilizes a high-energy electron beam to melt and fuse metal powders to build solid parts with various materials, such as Ti-6Al-4V which is very difficult to fabricate using conventional processes. EBAM is one of a few Additive Manufacturing (AM) technologies capable of making full-density metallic parts and has drastically extended AM applications. The heat transfer analysis has been conducted in a simple case of a single-scan path with the effect of powder porosity investigated. In the actual EBAM process, the scan pattern is typically alternate raster. In this study, a coupled thermo-mechanical finite element model was developed to simulate the transient heat transfer, part residual stresses of alternate raster during the EBAM process subject to a moving heat source with a Gaussian volumetric distribution. The developed model was first examined against literature data. The coupled mechanical simulation is able to capture the evolution of the part residual stresses in EBAM.
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Anikeev, Sergey, Evgeniy Yakovlev, Nadezhda Artyukhova, Oibek Mamazakirov, Maria Kaftaranova, and Vladimir Promakhov. "Production of Two-Dimensional Porous TiNi-Based Powder Material by Diffusion Sintering and Electron-Beam Processing." In 2020 7th International Congress on Energy Fluxes and Radiation Effects (EFRE). IEEE, 2020. http://dx.doi.org/10.1109/efre47760.2020.9242094.

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Klimenov, V. A., Yu F. Ivanov, A. V. Karlov, V. V. Trophimov, and L. B. Bataeva. "Peculiarities of the Structure and Phase Composition of Hydroxy Apatite Coatings Sprayed by Laminar Plasma Jet and Treated by Electron Beam." In ITSC 1996, edited by C. C. Berndt. ASM International, 1996. http://dx.doi.org/10.31399/asm.cp.itsc1996p0445.

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Abstract The covering of titanium implants by means gas-thermal spraying of hydroxyapatite powders is an actual scientific, technical and medical problem. Application of hydroxyapatite for these purposes is more preferable. However, the problem of its structural and cyclic strength under conditions of bioenvironment response determines of application areas of such coatings and reliability of them usage. Structure and phase composition of hydroxyapatite coating under plasma spraying on titanium substrates and their changing, caused as conditions of forming coating on its increasing, so and conditions of spraying an laminar and turbulent plasma streem were studied. Exact belief about the crystalline structure and phase composition of coating is obtained by methods electronic microscopy and X-ray analysis. Changing of coating structure after sintering in the vacuum and electron beam melting in the vacuum is discussed.
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Chen, Jian, and Zhili Feng. "Towards an Integrated Computational Model for Additive Manufacturing Process: Heat Source-Particle Interaction and Effective Thermal Conductivity of Powder Bed." In ASME 2018 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/pvp2018-84970.

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An integrated computational modeling frame work is under development for the electron beam based additive manufacturing process to establish the fundamental correlation among material properties, process parameters and thermal and mechanical performances of the final manufactured components such as residual stresses. This paper focuses on the investigation of beam-powder interaction in mesoscale, the kinetics of the powder sintering, and the effective thermal property of the powder bed as a function of powder size distribution.
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Пашков, A. Pashkov, Костишин, V. Kostishin, Исаев, I. Isaev, Комлев, et al. "Features of crystal structure and phase composition of the anisotropic hexagonal ferrites bafe12o19 and bafe9,5al2,5o19, obtained by radiation-thermal sintering." In XXIV International Conference. Москва: Infra-m, 2016. http://dx.doi.org/10.12737/23266.

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The method of radiation-thermal sintering (RTS) in the fast electron beam by accelerator ILU-6 obtained samples of barium hexaferrite BaFe12O19 and substituted barium hexaferrite BaFe9,5Al2,5O19 (with additions of Ni, Ti, Mn). The research synthesized samples was carried out by X-ray structural analysis and X-ray phase analysis. It is found that both compounds besides the main phase samples (BaFe12O19 and BaFe9,5Al2,5O19, respectively), is also present phase BaFe2O4. With increasing sintering temperature from 1100°C to 1300°C phase barium monoferrite intensity decreases or disappears completely, and at a temperature of 1400°C this phase is fixed again (its intensity continues to increase). The possibility of practical use of the results.
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10

Adinarayanappa, Somashekara Makireddypalli, and Suryakumar Simhambhatla. "Determination of Process Parameter for Twin-Wire Weld-Deposition Based Additive Manufacturing." In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-34658.

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Various energy sources are available for sintering and/or depositing the material in additive manufacturing for metallic objects. These can be mainly categorized as laser based, electron beam based and arc based. While laser and electron offer better surface finish, it is possible to achieve high deposition rates in arc based weld-deposition. The inferior surface finish can be compensated by going for a hybrid system, combining deposition and machining. Twin-wire based weld-deposition, used in the present work, makes it possible to even realize functionally gradient material matrix; the use of two different filler materials into a single weld-pool makes this possible. Wire speed, torch speed and filler material are important factors that effect the composition of the deposited volume. Determination of the operating range and effect of these process parameters therefore is important to control the properties of the weld-deposited gradient objects. The current work presents the material composition of two filler materials ER70S6 and ER110SG with different wire speed and torch speed. Deposited material elemental compositions were analyzed using ED-XRF machine.
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