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Artículos de revistas sobre el tema "Metallic Additive Manufacturing"

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Publicado: 6 de julio de 2024

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1

Jadhav, Nisha Ramesh. "Metallic Additive Manufacturing". International Journal for Research in Applied Science and Engineering Technology 10, n.º 2 (28 de febrero de 2022): 66–67. http://dx.doi.org/10.22214/ijraset.2022.40188.

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Abstract: As metallic additive manufacturing grew in many areas, many users have requested greater control over the systems, namely the ability to change the process parameters. The goal of this paper is to review the effects of major process parameters on the quality such as porosity, residual stress, and composition changes and materials properties like microstructure and microsegregation. In this article, we give an overview over the different kinds of metals specially steels in additive manufacturing processes and present their microstructures, their mechanical and corrosion properties, and their heat treatments and their application. Our aim is to detect the microstructures as well as the mechanical and electrochemical properties of metals specially the steels. Steels are subjected during additive manufacturing processing to time-temperature profiles which are very different from the conventional process. We do not describe in detail the additive manufacturing process parameters required to achieve dense parts. We discuss the impact of process parameters on the microstructure, where necessary.
2

Costa, José, Elsa Sequeiros, Maria Teresa Vieira y Manuel Vieira. "Additive Manufacturing". U.Porto Journal of Engineering 7, n.º 3 (30 de abril de 2021): 53–69. http://dx.doi.org/10.24840/2183-6493_007.003_0005.

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Additive manufacturing (AM) is one of the most trending technologies nowadays, and it has the potential to become one of the most disruptive technologies for manufacturing. Academia and industry pay attention to AM because it enables a wide range of new possibilities for design freedom, complex parts production, components, mass personalization, and process improvement. The material extrusion (ME) AM technology for metallic materials is becoming relevant and equivalent to other AM techniques, like laser powder bed fusion. Although ME cannot overpass some limitations, compared with other AM technologies, it enables smaller overall costs and initial investment, more straightforward equipment parametrization, and production flexibility.This study aims to evaluate components produced by ME, or Fused Filament Fabrication (FFF), with different materials: Inconel 625, H13 SAE, and 17-4PH. The microstructure and mechanical characteristics of manufactured parts were evaluated, confirming the process effectiveness and revealing that this is an alternative for metal-based AM.
3

Zhang, Chaoqun, Hongying Yu, Dongbai Sun y Wen Liu. "Ultrasonic Additive Manufacturing of Metallic Materials". Metals 12, n.º 11 (8 de noviembre de 2022): 1912. http://dx.doi.org/10.3390/met12111912.

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4

Prashanth, Konda, Sergio Scudino, Riddhi Chatterjee, Omar Salman y Jürgen Eckert. "Additive Manufacturing: Reproducibility of Metallic Parts". Technologies 5, n.º 1 (22 de febrero de 2017): 8. http://dx.doi.org/10.3390/technologies5010008.

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5

Calignano, Flaviana. "Additive Manufacturing (AM) of Metallic Alloys". Crystals 10, n.º 8 (15 de agosto de 2020): 704. http://dx.doi.org/10.3390/cryst10080704.

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The introduction of metal additive manufacturing (AM) processes in industrial sectors, such as the aerospace, automotive, defense, jewelry, medical and tool-making fields, has led to a significant reduction in waste material and in the lead times of the components, innovative designs with higher strength, lower weight and fewer potential failure points from joining features [...]
6

XIONG, FeiYu, JiaWei CHEN, ChenYang HUANG y YanPing LIAN. "Numerical simulation on metallic additive manufacturing". SCIENTIA SINICA Physica, Mechanica & Astronomica 50, n.º 9 (13 de agosto de 2020): 090007. http://dx.doi.org/10.1360/sspma-2020-0182.

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7

Mohanty, Shalini y Konda Gokuldoss Prashanth. "Metallic Coatings through Additive Manufacturing: A Review". Materials 16, n.º 6 (14 de marzo de 2023): 2325. http://dx.doi.org/10.3390/ma16062325.

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Metallic additive manufacturing is expeditiously gaining attention in advanced industries for manufacturing intricate structures for customized applications. However, the inadequate surface quality has inspired the inception of metallic coatings through additive manufacturing methods. This work presents a brief review of the different genres of metallic coatings adapted by industries through additive manufacturing technologies. The methodologies are classified according to the type of allied energies used in the process, such as direct energy deposition, binder jetting, powder bed fusion, hot spray coatings, sheet lamination, etc. Each method is described in detail and supported by relevant literature. The paper also includes the needs, applications, and challenges involved in each process.
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Sarker, Avik, Martin Leary y Kate Fox. "Metallic additive manufacturing for bone-interfacing implants". Biointerphases 15, n.º 5 (septiembre de 2020): 050801. http://dx.doi.org/10.1116/6.0000414.

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9

Zhang, Yi, Linmin Wu, Xingye Guo, Stephen Kane, Yifan Deng, Yeon-Gil Jung, Je-Hyun Lee y Jing Zhang. "Additive Manufacturing of Metallic Materials: A Review". Journal of Materials Engineering and Performance 27, n.º 1 (24 de mayo de 2017): 1–13. http://dx.doi.org/10.1007/s11665-017-2747-y.

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10

Alabort, Enrique, Daniel Barba y Roger C. Reed. "Design of metallic bone by additive manufacturing". Scripta Materialia 164 (abril de 2019): 110–14. http://dx.doi.org/10.1016/j.scriptamat.2019.01.022.

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11

Gibson, Ian y Amir Khorasani. "Metallic Additive Manufacturing: Design, Process, and Post-Processing". Metals 9, n.º 2 (27 de enero de 2019): 137. http://dx.doi.org/10.3390/met9020137.

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12

Aguado, Ainhoa Riquelme, Carmen Sánchez de Rojas Candela y Pilar Rodrigo Herrero. "Additive Manufacturing of Metallic Components for Hard Coatings". Coatings 12, n.º 7 (17 de julio de 2022): 1007. http://dx.doi.org/10.3390/coatings12071007.

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13

INOUE, Takayuki. "Application for Orthopaedic Field of Metallic Additive Manufacturing". Journal of Smart Processing 10, n.º 4 (2021): 171–74. http://dx.doi.org/10.7791/jspmee.10.171.

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14

Sohrabi, Navid, Jamasp Jhabvala, Güven Kurtuldu, Ruggero Frison, Annapaola Parrilli, Mihai Stoica, Antonia Neels, Jörg F. Löffler y Roland E. Logé. "Additive manufacturing of a precious bulk metallic glass". Applied Materials Today 24 (septiembre de 2021): 101080. http://dx.doi.org/10.1016/j.apmt.2021.101080.

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15

Yang, Jiankai, Dongdong Gu, Kaijie Lin, Yicha Zhang, Meng Guo, Luhao Yuan, Han Zhang y Hongmei Zhang. "Laser Additive Manufacturing of Bio-inspired Metallic Structures". Chinese Journal of Mechanical Engineering: Additive Manufacturing Frontiers 1, n.º 1 (marzo de 2022): 100013. http://dx.doi.org/10.1016/j.cjmeam.2022.100013.

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16

Chua, Kaitlyn, Irfaan Khan, Raoul Malhotra y Donghui Zhu. "Additive manufacturing and 3D printing of metallic biomaterials". Engineered Regeneration 2 (2021): 288–99. http://dx.doi.org/10.1016/j.engreg.2021.11.002.

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17

Tan, Joel Heang Kuan, Swee Leong Sing y Wai Yee Yeong. "Microstructure modelling for metallic additive manufacturing: a review". Virtual and Physical Prototyping 15, n.º 1 (23 de octubre de 2019): 87–105. http://dx.doi.org/10.1080/17452759.2019.1677345.

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18

Wei, H. L., T. Mukherjee, W. Zhang, J. S. Zuback, G. L. Knapp, A. De y T. DebRoy. "Mechanistic models for additive manufacturing of metallic components". Progress in Materials Science 116 (febrero de 2021): 100703. http://dx.doi.org/10.1016/j.pmatsci.2020.100703.

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19

Dreelan, D., A. Ivankovic y D. J. Browne. "Grain structure predictions for metallic additive manufacturing processes". IOP Conference Series: Materials Science and Engineering 1274, n.º 1 (1 de enero de 2023): 012013. http://dx.doi.org/10.1088/1757-899x/1274/1/012013.

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Abstract Additive manufacturing has transformed the way we think about component fabrication. Generating a geometry in a layer-by-layer fashion presents many advantages over traditional subtractive methods, but also presents many challenges pertaining to the highly localised and energetic nature of the heat source. Since the material passes through multiple heating and cooling cycles throughout the build, some of which completely melt and erase the microstructure, a dynamic simulation is necessary to determine the grain structure that emerges. Grains are generally, but not exclusively, highly textured with columnar grains commonly spanning multiple layers. Fast, efficient and parallelised envelope cellular automata based models are used to simulate the nucleation and growth of the individual crystals that comprise the grain structure, with trade-offs being made between intra-grain detail and computational efficiency so that meso-scale simulations are possible. Simplified, but physically sound thermal models are used to predict the thermal conditions at the melt pool periphery, which are weakly coupled to the grain growth model. Dendrite tip kinetics models are used to determine alloy specific growth laws as a function of local undercooling. The effect of various processing parameters on as-solidified grain size, morphology and texture are investigated for aluminium alloys 3D printed by laser powder bed fusion.
20

Nyamuchiwa, Kudakwashe, Robert Palad, Joan Panlican, Yuan Tian y Clodualdo Aranas. "Recent Progress in Hybrid Additive Manufacturing of Metallic Materials". Applied Sciences 13, n.º 14 (20 de julio de 2023): 8383. http://dx.doi.org/10.3390/app13148383.

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Additive Manufacturing (AM) is an advanced technology that has been primarily driven by the demand for production efficiency, minimized energy consumption, and reduced carbon footprints. This process involves layer-by-layer material deposition based on a Computer-Aided Design (CAD) model. Compared to traditional manufacturing methods, AM has enabled the development of complex and topologically functional geometries for various service parts in record time. However, there are limitations to mass production, the building rate, the build size, and the surface quality when using metal additive manufacturing. To overcome these limitations, the combination of additive manufacturing with traditional techniques such as milling and casting holds the potential to provide novel manufacturing solutions, enabling mass production, improved geometrical features, enhanced accuracy, and damage repair through net-shape construction. This amalgamation is commonly referred to as hybrid manufacturing or multi-material additive manufacturing. This review paper aimed to explore the processes and complexities in hybrid materials, joining techniques, with a focus on maraging steels. The discussion is based on existing literature and focuses on three distinct joining methods: direct joining, gradient path joining, and intermediate section joining. Additionally, current challenges for the development of the ideal heat treatment for hybrid metals are discussed, and future prospects of hybrid additive manufacturing are also covered.
21

Cerejo, Fábio, Daniel Gatões y M. T. Vieira. "Optimization of metallic powder filaments for additive manufacturing extrusion (MEX)". International Journal of Advanced Manufacturing Technology 115, n.º 7-8 (25 de mayo de 2021): 2449–64. http://dx.doi.org/10.1007/s00170-021-07043-0.

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AbstractAdditive manufacturing (AM) of metallic powder particles has been establishing itself as sustainable, whatever the technology selected. Material extrusion (MEX) integrates the ongoing effort to improve AM sustainability, in which low-cost equipment is associated with a decrease of powder waste during manufacturing. MEX has been gaining increasing interest for building 3D functional/structural metallic parts because it incorporates the consolidated knowledge from powder injection moulding/extrusion feedstocks into the AM scope—filament extrusion layer-by-layer. Moreover, MEX as an indirect process can overcome some of the technical limitations of direct AM processes (laser/electron-beam-based) regarding energy-matter interactions. The present study reveals an optimal methodology to produce MEX filament feedstocks (metallic powder, binder, and additives), having in mind to attain the highest metallic powder content. Nevertheless, the main challenges are also to achieve high extrudability and a suitable ratio between stiffness and flexibility. The metallic powder volume content (vol.%) in the feedstocks was evaluated by the critical powder volume concentration (CPVC). Subsequently, the rheology of the feedstocks was established by means of the mixing torque value, which is related to the filament extrudability performance.
22

Kumar, Sanjay y Sisa Pityana. "Laser-Based Additive Manufacturing of Metals". Advanced Materials Research 227 (abril de 2011): 92–95. http://dx.doi.org/10.4028/www.scientific.net/amr.227.92.

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For making metallic products through Additive Manufacturing (AM) processes, laser-based systems play very significant roles. Laser-based processes such as Selective Laser Melting (SLM) and Laser Engineered Net Shaping (LENS) are dominating processes while Laminated Object Manufacturing (LOM) has also been used. The paper will highlight key issues without going into details and try to present comparative pictures of the aforementioned processes. The issues included are machine, materials, applications, comparison, various possibilities and future works.
23

YUN, Yu, Tingchun SHI, Yonghui MA, Fangfang SUN, Jinde PAN y Yong YANG. "Study and Application Status of Additive Manufacturing of Typical Inorganic Non-metallic Materials". Materials Science 26, n.º 1 (8 de noviembre de 2019): 58–70. http://dx.doi.org/10.5755/j01.ms.26.1.18880.

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Additive manufacturing is a rapid manufacturing based on discrete accumulation to achieve prototypes or parts of products. Inorganic non-metallic materials, as one of the three major materials, have incomparable application prospect in medical, aerospace, automotive, construction, arts and crafts, as well as many other fields. In order to rapidly create devices with arbitrarily complex shapes, additive manufacturing of inorganic non-metallic materials is becoming a hot spot of current research. In view of the technical types, materials and other aspects, this article introduced research status and development of additive manufacturing in inorganic non-metallic materials at home and abroad. Several common inorganic non-metallic materials are compared and analyzed, such as Al2O3, Si3N4 SiO2, ZrO2, etc. The forming characteristics and the problems of several popular ceramic materials and sand–casting materials are illustrated with emphases. The key problems existed in additive manufacturing forming process of inorganic non-metallic material are pointed out and urgent to be solved at present. Furthermore, the impacts of the material handling process, three dimensional printing (3DP), Selective Laser Sintering(SLS), Selective Laser Melting (SLM) three-dimensional forming processes and post treatment process on the quality and performance of the forming parts are analyzed. Finally, the prospects in SLS of the gem material are put forward.
24

Astafurova, Elena G. "Thermo-Mechanical Processing and Additive Manufacturing of Steels". Metals 12, n.º 5 (25 de abril de 2022): 731. http://dx.doi.org/10.3390/met12050731.

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In recent decades, some new classes of metallic and composition materials have been developed, which all possess a unique combination of the strength, ductility, corrosion resistance, high-temperature properties, etc [...]
25

Astafurova, Elena G. "Thermo-Mechanical Processing and Additive Manufacturing of Steels". Metals 12, n.º 5 (25 de abril de 2022): 731. http://dx.doi.org/10.3390/met12050731.

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In recent decades, some new classes of metallic and composition materials have been developed, which all possess a unique combination of the strength, ductility, corrosion resistance, high-temperature properties, etc [...]
26

Bono, Eric. "Additive Manufacturing Makes Titanium Use More Feasible". AM&P Technical Articles 173, n.º 3 (1 de marzo de 2015): 28–29. http://dx.doi.org/10.31399/asm.amp.2015-03.p028.

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Abstract Titanium has the highest strength-to-weight ratio of any metallic element and is corrosion-resistant. However, its cost is often a limiting factor in its use in industrial and medical applications. Additive manufacturing (AM) is changing the outlook for titanium, particularly because it can reduce much of the material waste associated with traditional subtractive manufacturing processes.
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Luomaranta, Toni y Miia Martinsuo. "Additive manufacturing value chain adoption". Journal of Manufacturing Technology Management 33, n.º 9 (17 de marzo de 2022): 40–60. http://dx.doi.org/10.1108/jmtm-07-2021-0250.

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PurposeAdopting additive manufacturing (AM) on a large-scale requires an adoption in company value chains. This may happen through product innovation and require interorganizational cooperation, but the value-adding potential of cooperation and application recognition is still poorly understood. This study aims to investigate the progress of AM adoption in innovation projects featuring AM application recognition and interorganizational cooperation in the value chain.Design/methodology/approachA multiple-case study was implemented in successful metallic AM adoption examples to increase the understanding of AM adoption in value chains. Primary data were collected through interviews and documents in three AM projects, and the data were analyzed qualitatively.FindingsAll three AM projects showed evidence of successful AM value chain adoption. Identifying the right application and the added value of AM within it were crucial starting points for finding new value chains. Interorganizational collaboration facilitated both value-based designs and experimentation with new supply chains. Thereby, the focal manufacturing company did not need to invest in AM machines. The key activities of the new value chain actors are mapped in the process of AM adoption.Research limitations/implicationsThe cases are set in a business-to-business context, which narrows the transferability of the results. As a theoretical contribution, this paper introduces the concept of AM value chain adoption. The value-adding potential of AM is identified, and the required value-adding activities in collaborative innovation are reported. As a practical implication, the study reveals how companies can learn of AM and adopt AM value chains without investing in AM machines. They can instead leverage relationships with other companies that have the AM knowledge and infrastructure.Originality/valueThis paper introduces AM value chain adoption as a novel, highly interactive phase in the industry-wide adoption of metallic AM. AM value chain adoption is characterized in multi-company collaboration settings, which complements the single-company view dominant in previous research. Theory elaboration is offered through merging technology adoption with external integration from the information processing view, emphasizing the necessity of interorganizational cooperation in AM value chain adoption. Companies can benefit each other during AM adoption, starting with identifying the value-creating opportunities and applications for AM.
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Meena, Vijay Kumar, Prashant Kumar, Parveen Kalra y Ravindra Kumar Sinha. "Additive manufacturing for metallic spinal implants: A systematic review". Annals of 3D Printed Medicine 3 (septiembre de 2021): 100021. http://dx.doi.org/10.1016/j.stlm.2021.100021.

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29

Umetsu, Rie Y., Makoto Ohtsuka y Ryo Teranishi. "Frontier of Ultra-precise Additive Manufacturing for Metallic Materials". Materia Japan 56, n.º 12 (2017): 685. http://dx.doi.org/10.2320/materia.56.685.

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30

NAKAMOTO, Takayuki, Takahiro KIMURA, Nobuhiko SHIRAKAWA y Haruyuki INUI. "Development of Laser Additive Manufacturing Technologies with Metallic Powders". Review of Laser Engineering 42, n.º 11 (2014): 828. http://dx.doi.org/10.2184/lsj.42.11_828.

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31

Peters, Bernhard y Gabriele Pozzetti. "Flow characteristics of metallic powder grains for additive manufacturing". EPJ Web of Conferences 140 (2017): 13001. http://dx.doi.org/10.1051/epjconf/201714013001.

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32

Kenzari, Samuel, David Bonina, Jean Marie Dubois y Vincent Fournée. "Complex metallic alloys as new materials for additive manufacturing". Science and Technology of Advanced Materials 15, n.º 2 (abril de 2014): 024802. http://dx.doi.org/10.1088/1468-6996/15/2/024802.

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33

Gu Dongdong, 顾冬冬, 张红梅 Zhang Hongmei, 陈洪宇 Chen Hongyu, 张晗 Zhang Han y 席丽霞 Xi Lixia. "Laser Additive Manufacturing of High-Performance Metallic Aerospace Components". Chinese Journal of Lasers 47, n.º 5 (2020): 0500002. http://dx.doi.org/10.3788/cjl202047.0500002.

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34

Taheri Andani, Mohsen, Mohamad Ghodrati, Mohammad Reza Karamooz-Ravari, Reza Mirzaeifar y Jun Ni. "Damage modeling of metallic alloys made by additive manufacturing". Materials Science and Engineering: A 743 (enero de 2019): 656–64. http://dx.doi.org/10.1016/j.msea.2018.11.125.

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35

DebRoy, T., H. L. Wei, J. S. Zuback, T. Mukherjee, J. W. Elmer, J. O. Milewski, A. M. Beese, A. Wilson-Heid, A. De y W. Zhang. "Additive manufacturing of metallic components – Process, structure and properties". Progress in Materials Science 92 (marzo de 2018): 112–224. http://dx.doi.org/10.1016/j.pmatsci.2017.10.001.

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36

Wu, Wenzheng, Jili Jiang, Guiwei Li, Jerry Ying Hsi Fuh, Hao Jiang, Pengwei Gou, Longjian Zhang, Wei Liu y Ji Zhao. "Ultrasonic additive manufacturing of bulk Ni-based metallic glass". Journal of Non-Crystalline Solids 506 (febrero de 2019): 1–5. http://dx.doi.org/10.1016/j.jnoncrysol.2018.12.008.

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37

Lu, Yunzhuo, Yongjiang Huang y Jing Wu. "Laser additive manufacturing of structural-graded bulk metallic glass". Journal of Alloys and Compounds 766 (octubre de 2018): 506–10. http://dx.doi.org/10.1016/j.jallcom.2018.06.259.

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38

Liu, Haishun, Qi Jiang, Juntao Huo, Yue Zhang, Weiming Yang y Xiaopeng Li. "Crystallization in additive manufacturing of metallic glasses: A review". Additive Manufacturing 36 (diciembre de 2020): 101568. http://dx.doi.org/10.1016/j.addma.2020.101568.

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39

Wei, Qingsong, Changjun Han y Nataliya Kazantseva. "Additive Manufacturing of Metallic Materials: Structures, Properties and Methodologies". Metals 13, n.º 7 (12 de julio de 2023): 1258. http://dx.doi.org/10.3390/met13071258.

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40

Maji, Palash Kumar, Amit Jyoti Banerjee, Partha Sarathi Banerjee y Sankar Karmakar. "Additive manufacturing in prosthesis development – a case study". Rapid Prototyping Journal 20, n.º 6 (20 de octubre de 2014): 480–89. http://dx.doi.org/10.1108/rpj-07-2012-0066.

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Purpose – The purpose of this paper was development of patient-specific femoral prosthesis using rapid prototyping (RP), a part of additive manufacturing (AM) technology, and comparison of its merits or demerits over CNC machining route. Design/methodology/approach – The customized femoral prosthesis was developed through computed tomography (CT)-3D CAD-RP-rapid tooling (RT)-investment casting (IC) route using a stereolithography apparatus (SLA-250) RP machine. A similar prosthesis was also developed through conventional CT-CAD-CAM-CNC, using RP models to check the fit before machining. The dimensional accuracy, surface finish, cost and time involvement were compared between these two routes. Findings – In both the routes, RP had an important role in checking the fit. Through the conventional machining route, higher-dimensional accuracies and surface finish were achieved. On the contrary, RP route involved lesser time and cost, with rougher surface finish on the prosthesis surface and less internal shrinkage porosity. The rougher surface finish of the prosthesis is favourable for bone ingrowths after implantation and porosity reduce the effective stiffness of the prosthesis, leading to reduced stress shielding effect after implantation. Research limitations/implications – As there is no AM machine for direct fabrication of metallic component like laser engineered net shaping and electron beam melting in our Institute, the metallic prosthesis was developed through RP-RT-IC route using the SLA-250 machine. Practical implications – The patient-specific prosthesis always provides better fit and favourable stress distribution, leading to longer life of the prosthesis. The described RP route can be followed to develop the customized prosthesis at lower price within the shortest time. Originality/value – The described methodology of customized prosthesis development through the AM route and its advantages are applicable for development of any metallic prostheses.
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Li, Guiwei, Ji Zhao, Jerry Ying Hsi Fuh, Wenzheng Wu, Jili Jiang, Tianqi Wang y Shuai Chang. "Experiments on the Ultrasonic Bonding Additive Manufacturing of Metallic Glass and Crystalline Metal Composite". Materials 12, n.º 18 (14 de septiembre de 2019): 2975. http://dx.doi.org/10.3390/ma12182975.

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Ultrasonic vibrations were applied to weld Ni-based metallic glass ribbons with Al and Cu ribbons to manufacture high-performance metallic glass and crystalline metal composites with accumulating formation characteristics. The effects of ultrasonic vibration energy on the interfaces of the composite samples were studied. The ultrasonic vibrations enabled solid-state bonding of metallic glass and crystalline metals. No intermetallic compound formed at the interfaces, and the metallic glass did not crystallize. The hardness and modulus of the composites were between the respective values of the metallic glass and the crystalline metals. The ultrasonic bonding additive manufacturing can combine the properties of metallic glass and crystalline metals and broaden the application fields of metallic materials.
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Danielewski, Hubert y Bogdan Antoszewski. "Properties of Laser Additive Deposited Metallic Powder of Inconel 625". Open Engineering 10, n.º 1 (5 de junio de 2020): 484–90. http://dx.doi.org/10.1515/eng-2020-0046.

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AbstractPaper presents results of laser additive manufacturing. Deposition of nickel based super alloy Inconel 625 was performed. Laser metal deposition is advanced manufacturing process dedicated for prototyping and low scale series production. Inconel 625 is nickel based super alloy, with high heat resistance properties. Therefore due material properties and chemical composition is characterized as a difficult to machining [1, 2]. Additive manufacturing process using focused photons beam for selective deposition of metallic powder in laser engineered net shaping (LENS) method can be used as alternative technology. High energy density of controllable laser beam combining with coaxial delivery system allow to precise deposited metallic powder. Manufacturing process are based on selective melting of additional material using laser radiation and crystallization process. An additional material in form of filler wire as well as metallic powder can be used. Advantages of using metallic powder are higher level of process control, nevertheless adequate selection of process parameters are required. High energy density of laser beam and rapid crystallization process affect on metallographic structure of deposited material. Thermal energy absorbed in material affect on phase transformation.Molten powder mixing with base material changing metallographic structure. Chemical composition of obtained overlay weld are combination of base and additive material. Therefore to achieve stable crystallization process chemical composition of additive material wassimilar to base material. Additional alloying elements could affect on mechanical properties. Deposition process using TruLaserCell 1005 laser machine was performed. To determine properties of manufactured material metallographic analysis and destructive tests were performed.
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Lin, Zidong, Pengfei Liu y Xinghua Yu. "A Literature Review on the Wire and Arc Additive Manufacturing—Welding Systems and Software". Science of Advanced Materials 13, n.º 8 (1 de agosto de 2021): 1391–400. http://dx.doi.org/10.1166/sam.2021.3971.

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Wire and arc additive manufacturing (WAAM) is considered to be an economic and efficient technology that is suitable to produce large-scale and ultra-large-scale metallic components. In the past two decades, it has been widely investigated in different fields, such as aerospace, automotive and marine industries. Due to its relatively high deposition rate, material efficiency, and shortened lead time compared to other powder-based additive manufacturing (AM) techniques, wire and arc additive manufacturing (WAAM) has been significantly noticed and adopted by both academic researchers and industrial engineers. In order to summarize the development achievements of wire and arc additive manufacturing (WAAM) in the past few years and outlook the development direction in the coming days, this paper provides an overview of 3D metallic printing by applying it as a deposition method. The review mainly focuses on the current welding systems, software for tool path design, generation, and planning used in wire and arc additive manufacturing (WAAM). In the end, the state of the art and future research on wire and arc additive manufacturing (WAAM) have been prospected.
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Tateno, Toshitake, Akira Kakuta, Hayate Ogo y Takaya Kimoto. "Ultrasonic Vibration-Assisted Extrusion of Metal Powder Suspension for Additive Manufacturing". International Journal of Automation Technology 12, n.º 5 (5 de septiembre de 2018): 775–83. http://dx.doi.org/10.20965/ijat.2018.p0775.

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Additive manufacturing (AM) using metal materials can be used to manufacture metal parts with complex shapes that are difficult to manufacture with subtractive processing. Recently, numerous commercial AM machines for metallic materials have been developed. The primary types of AM using metallic materials are powder bed fusion or direct energy deposition. Other types using metallic materials have not been adequately studied. In this study, the use of the material extrusion (ME) type of AM is investigated. The aim is to use metallic materials not only for fabricating metal parts but also for adding various properties to base materials, e.g., electric conductivity, thermal conductivity, weight, strength, and color of plastics. ME is appropriate for use with various materials by mixing different types of filler. However, there is a problem in that the high density of metal fillers generates unstable extrusion. Therefore, ultrasonic vibration was used for assisting extrusion. A prototype system was developed using an extrusion nozzle vibrated by an ultrasonic homogenizer. The experimental results showed that the ultrasonic vibration allows materials to be extruded smoothly. Three dimensional (3D) shapes could be built by multi-layer deposition with a thixotropic polymer containing a highly concentrated steel powder. As one application, a 3D-shaped object was fabricated as a sintered object. After the vibration effect in the extrusion process of steel powder and clay was confirmed, a 3D object built by the proposed method was sintered through a baking process.
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Grzesik, Wit. "Hybrid manufacturing of metallic parts integrated additive and subtractive processes". Mechanik 91, n.º 7 (9 de julio de 2018): 468–75. http://dx.doi.org/10.17814/mechanik.2018.7.58.

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This review paper highlights the hybrid manufacturing processes which integrate the additive and subtractive processes performing on one hybrid platform consisting of the LMD (laser metal deposition) unit and multi-axis CNC machining center. This hybrid technology is rapidly developed and has many applications in Production/Manufacturing 4.0 including the LRT (laser repair technology). In particular, some important rules and advantages as well as technological potentials of the integration of a powder metal deposition and finishing CNC milling/turning operations are discussed and overviewed. Some representative examples such as formation of difficult features around the part periphery, deposition of functional layers and coatings and repair of high-value parts in aerospace industry are provided. Moreover, the technological strategies, CAD/CAM and CAI programs and construction designs of the hybrid manufacturing platforms are explained. Some conclusions and future trends in the implementation of hybrid processes are outlined.
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Ladani, Leila y Maryam Sadeghilaridjani. "Review of Powder Bed Fusion Additive Manufacturing for Metals". Metals 11, n.º 9 (1 de septiembre de 2021): 1391. http://dx.doi.org/10.3390/met11091391.

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Additive manufacturing (AM) as a disruptive technology has received much attention in recent years. In practice, however, much effort is focused on the AM of polymers. It is comparatively more expensive and more challenging to additively manufacture metallic parts due to their high temperature, the cost of producing powders, and capital outlays for metal additive manufacturing equipment. The main technology currently used by numerous companies in the aerospace and biomedical sectors to fabricate metallic parts is powder bed technology, in which either electron or laser beams are used to melt and fuse the powder particles line by line to make a three-dimensional part. Since this technology is new and also sought by manufacturers, many scientific questions have arisen that need to be answered. This manuscript gives an introduction to the technology and common materials and applications. Furthermore, the microstructure and quality of parts made using powder bed technology for several materials that are commonly fabricated using this technology are reviewed and the effects of several process parameters investigated in the literature are examined. New advances in fabricating highly conductive metals such as copper and aluminum are discussed and potential for future improvements is explored.
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Syrlybayev, Daniyar, Aidana Seisekulova, Didier Talamona y Asma Perveen. "The Post-Processing of Additive Manufactured Polymeric and Metallic Parts". Journal of Manufacturing and Materials Processing 6, n.º 5 (4 de octubre de 2022): 116. http://dx.doi.org/10.3390/jmmp6050116.

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The traditional manufacturing industry has been revolutionized with the introduction of additive manufacturing which is based on layer-by-layer manufacturing. Due to these tool-free techniques, complex shape manufacturing becomes much more convenient in comparison to traditional machining. However, additive manufacturing comes with its inherent process characteristics of high surface roughness, which in turn effect fatigue strength as well as residual stresses. Therefore, in this paper, common post-processing techniques for additive manufactured (AM) parts were examined. The main objective was to analyze the finishing processes in terms of their ability to finish complicated surfaces and their performance were expressed as average surface roughness (Sa and Ra). The techniques were divided according to the materials they applied to and the material removal mechanism. It was found that chemical finishing significantly reduces surface roughness and can be used to finish parts with complicated geometry. Laser finishing, on the other hand, cannot be used to finish intricate internal surfaces. Among the mechanical abrasion methods, abrasive flow finishing shows optimum results in terms of its ability to finish complicated freeform cavities with improved accuracy for both polymer and metal parts. However, it was found that, in general, most mechanical abrasion processes lack the ability to finish complex parts. Moreover, although most of post-processing methods are conducted using single finishing processes, AM parts can be finished with hybrid successive processes to reap the benefits of different post-processing techniques and overcome the limitation of individual process.
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KISHIMOTO, Satoshi, Makoto WATANABE y Hiroyasu TANIGAWA. "Fabrication of porous structural Metallic devices by Laser Additive Manufacturing". Proceedings of Mechanical Engineering Congress, Japan 2020 (2020): S04104. http://dx.doi.org/10.1299/jsmemecj.2020.s04104.

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FUJII, Hiromichi. "Additive Manufacturing Technique Based on Ultrasonic Welding of Metallic Foils". JOURNAL OF THE JAPAN WELDING SOCIETY 81, n.º 4 (2012): 224–27. http://dx.doi.org/10.2207/jjws.81.224.

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Nurhudan, Aghnia Ilmiah, Sugeng Supriadi, Yudan Whulanza y Agung Shamsuddin Saragih. "Additive manufacturing of metallic based on extrusion process: A review". Journal of Manufacturing Processes 66 (junio de 2021): 228–37. http://dx.doi.org/10.1016/j.jmapro.2021.04.018.

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