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Journal articles on the topic 'Fabrication additive laser'

Author: Grafiati

Published: 25 May 2024

Last updated: 31 July 2025

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1

Liu, Fwu Hsing, Wen Hsueng Lin, Yung Kang Shen, and Jeou Long Lee. "Fabrication Inner Channel Ceramics Using Layer Additive Method." Key Engineering Materials 443 (June 2010): 528–33. http://dx.doi.org/10.4028/www.scientific.net/kem.443.528.

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This paper presents a layer additive method, ceramic laser curing, to form a ceramic part with inner channel features, by which silica powder is bonded by curing effect under disposal of a 20W CO2 laser. This process includes four steps: making slurry by mixing a binder with ceramic powder, paving the slurry on the surface of a platform, scanning the paved slurry layer via laser beam, removing the un-cured slurries from the solidified ceramic component. This process needed only low laser power to build ceramic parts by using “curing effect”. The deflection and shrinkage of ceramics could be de

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Hu, D., H. Mei, and R. Kovacevic. "Improving solid freeform fabrication by laser-based additive manufacturing." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 216, no. 9 (2002): 1253–64. http://dx.doi.org/10.1243/095440502760291808.

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Solid freeform fabrication (SFF) methods for metal part building, such as three-dimensional laser cladding, are generally less stable and less repeatable than other rapid prototyping methods. A large number of parameters govern the three-dimensional laser cladding process. These parameters are sensitive to the environmental variations, and they also influence each other. This paper introduces the research work in Research Center for Advanced Manufacturing (RCAM) to improve the performance of its developed three-dimensional laser cladding process: laser-based additive manufacturing (LBAM). Meta

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Andre, J., G. De Demo, K. Molina, S. Le Tacon, C. Chicanne, and M. Theobald. "Application of Additive Manufacturing for Laser Target Fabrication." Fusion Science and Technology 73, no. 2 (2018): 149–52. http://dx.doi.org/10.1080/15361055.2017.1406246.

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Saunders, Jacob, Mohammad Elbestawi, and Qiyin Fang. "Ultrafast Laser Additive Manufacturing: A Review." Journal of Manufacturing and Materials Processing 7, no. 3 (2023): 89. http://dx.doi.org/10.3390/jmmp7030089.

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Ultrafast lasers are proven and continually evolving manufacturing tools. Concurrently, additive manufacturing (AM) has emerged as a key area of interest for 3D fabrication of objects with arbitrary geometries. Use of ultrafast lasers for AM presents possibilities for next generation manufacturing techniques for hard-to-process materials, transparent materials, and micro- and nano-manufacturing. Of particular interest are selective laser melting/sintering (SLM/SLS), multiphoton lithography (MPL), laser-induced forward transfer (LIFT), pulsed laser deposition (PLD), and welding. The development

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Kumar, Pankaj, and Gazanfar Mustafa Ali syed. "Emerging trend in manufacturing of 3D biomedical components using selective laser sintering: A review." E3S Web of Conferences 184 (2020): 01047. http://dx.doi.org/10.1051/e3sconf/202018401047.

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Additive manufacturing (also known as 3D printing) process is an emerging technique for the fabrication of biomedical components. Selective laser sintering or melting is one of the widely used additive printing technology for manufacturing of metallic and non-metallic components used in the industry. This review paper presents, a summary of the published research papers on the fabrication of biomedical components using selective laser sintering technique. Therefore, author meticulously attempted to investigate individual biocompatible material-wise review which includes Ti6Al4V, Ti-7.5 Mo allo

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Zhou, Weiwei, Xiaohao Sun, Kengo Tsunoda, et al. "Powder fabrication and laser additive manufacturing of MoSiBTiC alloy." Intermetallics 104 (January 2019): 33–42. http://dx.doi.org/10.1016/j.intermet.2018.10.012.

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Millon, Célia, Arnaud Vanhoye, and Anne-Françoise Obaton. "Ultrasons laser pour la détection de défauts sur pièces de fabrication additive métallique." Photoniques, no. 94 (November 2018): 34–37. http://dx.doi.org/10.1051/photon/20189434.

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La fabrication additive (FA), notamment la FA de pièces métalliques, connait un essor dans les secteurs de pointe comme l’aéronautique ou le médical de par les possibilités accrues en termes de complexité géométrique, de fonctionnalités ou encore de personnalisation des pièces. Cependant, les poudres métalliques et la fusion laser mis en oeuvre dans certains procédés lors de la fabrication conduisent parfois à des défauts, comme par exemple des manques de fusion. Pour réduire les coûts de production engendrés par des pièces finies mais non conformes, la fabrication de ces pièces appelle à déve

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Alhamdi, Ismail, Anwar Algamal, Abdalmageed Almotari, Majed Ali, Umesh Gandhi, and Ala Qattawi. "Fe-Mn-Al-Ni Shape Memory Alloy Additively Manufactured via Laser Powder Bed Fusion." Crystals 13, no. 10 (2023): 1505. http://dx.doi.org/10.3390/cryst13101505.

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Fe-Mn-Al-Ni is an Fe-based shape memory alloy (SMA) featuring higher stability and low temperature dependency of superelasticity stress over a wide range of temperatures. Additive manufacturing (AM) is a promising technique for fabricating Fe-SMA with enhanced properties, which can eliminate the limitations associated with conventional fabrication and allow for the manufacture of complicated shapes with only a single-step fabrication. The current work investigates the densification behavior and fabrication window of an Fe-Mn-Al-Ni SMA using laser powder bed fusion (LPBF). Experimental optimiza

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Bi, Gunjun. "Special Issue on Advancements in Laser-Based Additive Manufacturing Technologies." Applied Sciences 13, no. 3 (2023): 1529. http://dx.doi.org/10.3390/app13031529.

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Ravichander, Bharath Bhushan, Atabak Rahimzadeh, Behzad Farhang, Narges Shayesteh Moghaddam, Amirhesam Amerinatanzi, and Mehrshad Mehrpouya. "A Prediction Model for Additive Manufacturing of Inconel 718 Superalloy." Applied Sciences 11, no. 17 (2021): 8010. http://dx.doi.org/10.3390/app11178010.

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Inconel 718 is a nickel-based superalloy and an excellent candidate for the aerospace, oil, and gas industries due to its high strength and corrosion resistance properties. The machining of IN718 is very challenging; therefore, the application of additive manufacturing (AM) technology is an effective approach to overcoming these difficulties and for the fabrication of complex geometries that cannot be manufactured by the traditional techniques. Selective laser melting (SLM), which is a laser powder bed fusion method, can be applied for the fabrication of IN718 samples with high accuracy. Howev

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Liu, Fwu Hsing, Wen Hsueng Lin, Ruey Tsung Lee, Hsiu Ping Wang, and Hsiu Ling Hsu. "Fabrication of Bioceramic Scaffolds for Tissue Engineering Using Additive Manufacturing Technology." Advanced Materials Research 706-708 (June 2013): 118–21. http://dx.doi.org/10.4028/www.scientific.net/amr.706-708.118.

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In this paper, the hydroxyapatite (HA) based bioceramic materials were used in a rapid prototyping (RP) system to fabrication bioceramic bone scaffold for tissue engineering (TE) using an additive manufacturing (AM) technology. When the bioceramic slurry is sintered via the processing parameters of an 85 mm/s laser scanning speed, 24.5 W of laser power, 10 kHz of scanning frequency, and 2500 Cp of slurry viscosity, a porous bone scaffold can be fabricated under a lower laser power energy. Results indicate that the bending strength of the scaffold was 14.2 MPa, which could be improved by heat-t

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Ngatane, Bokang, James Anthony Dicks, Wei Hua Ho, and Malebogo Ngoepe. "Masked stereolithography as an accessible additive manufacturing technology to fabricate soft polymeric flow phantoms." MATEC Web of Conferences 406 (2024): 07014. https://doi.org/10.1051/matecconf/202440607014.

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The development of fabricating in vitro flow phantoms to study biomedical fluid dynamics using laser particle image velocimetry provides a basis for better understanding and treatment of medical conditions such as aneurysms and cardiovascular disease. Additionally, the ability to fabricate patient-specific models rapidly and reliably is of interest for both bespoke therapeutic capabilities and computational modelling. Additive manufacturing (AM) presents a method for rapid and facile direct fabrication with the capability for excellent geometric and resolution fidelity that can overcome the sh

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Behrens, Ailke, Jan Stieghorst, Theodor Doll, and Ulrich P. Froriep. "Laser-Facilitated Additive Manufacturing Enables Fabrication of Biocompatible Neural Devices." Sensors 20, no. 22 (2020): 6614. http://dx.doi.org/10.3390/s20226614.

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Current personalized treatment of neurological diseases is limited by availability of appropriate manufacturing methods suitable for long term sensors for neural electrical activities in the brain. An additive manufacturing process for polymer-based biocompatible neural sensors for chronic application towards individualized implants is here presented. To process thermal crosslinking polymers, the developed extrusion process enables, in combination with an infrared (IR)-Laser, accelerated curing directly after passing the outlet of the nozzle. As a result, no additional curing steps are necessa

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Aydogan, Beytullah, and Himanshu Sahasrabudhe. "Enabling Multi-Material Structures of Co-Based Superalloy Using Laser Directed Energy Deposition Additive Manufacturing." Metals 11, no. 11 (2021): 1717. http://dx.doi.org/10.3390/met11111717.

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Cobalt superalloys such as Tribaloys are widely used in environments that involve high temperatures, corrosion, and wear degradation. Additive manufacturing (AM) processes have been investigated for fabricating Co-based alloys due to design flexibility and efficient materials usage. AM processes are suitable for reducing the manufacturing steps and subsequently reducing manufacturing costs by incorporating multi-materials. Laser directed energy deposition (laser DED) is a suitable AM process for fabricating Co-based alloys. T800 is one of the commercially available Tribaloys that is strengthen

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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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Kuroiwa, Y., D. Kono, and Y. Oda. "INVESTIGATION ON THERMAL DEFORMATION IN LASER ADDITIVE MANUFACTURING." MM Science Journal 2021, no. 3 (2021): 4584–90. http://dx.doi.org/10.17973/mmsj.2021_7_2021063.

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In metal additive manufacturing, a metal material is melted by a concentrated heat source such as a laser. Therefore, thermal deformation occurs in the fabrication, which causes deterioration of shape accuracy and crack of the workpiece. In this study, a method to systematically reduce the thermal deformation was discussed. The mechanism of thermal deformation caused by stacking and lining up the bead was investigated using finite element simulations and experiments. Based on the obtained results and thermal deformation theory in welding, a method to reduce the thermal deformation was proposed

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KISHIMOTO, Satoshi, Makoto WATANABE, and 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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Behrens, Ailke, Jan Stieghorst, Theodor Doll, and Ulrich P. Froriep. "Laser-Facilitated Additive Manufacturing Enables Fabrication of Biocompatible Neural Devices." Sensors 20 (June 5, 2020): 6614. https://doi.org/10.3390/s20226614.

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19

Costa, José, Elsa Sequeiros, Maria Teresa Vieira, and Manuel Vieira. "Additive Manufacturing." U.Porto Journal of Engineering 7, no. 3 (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 tec

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Shiva, S., IA Palani, CP Paul, and B. Singh. "Laser annealing of laser additive–manufactured Ni-Ti structures: An experimental–numerical investigation." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 232, no. 6 (2016): 1054–67. http://dx.doi.org/10.1177/0954405416661582.

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Tailored structures of Ni-Ti shape memory alloys for micro-electro-mechanical systems can be fabricated using laser additive manufacturing, and requisite homogeneous microstructure for predictive design and fabrication of micro-electro-mechanical systems devices can be achieved by annealing. Investigation has been performed on the laser annealing of laser additive–manufactured Ni-Ti structures using a pulsed green laser through numerical simulation and experimental studies. The parametric dependence showed that a laser energy density of 1100 mJ cm−2 has a considerable influence in annealing of

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Boschetto, Alberto, Luana Bottini, Luciano Macera, and Somayeh Vatanparast. "Additive Manufacturing for Lightweighting Satellite Platform." Applied Sciences 13, no. 5 (2023): 2809. http://dx.doi.org/10.3390/app13052809.

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Lightweight structures with an internal lattice infill and a closed shell have received a lot of attention in the last 20 years for satellites, due to their improved stiffness, buckling strength, multifunctional design, and energy absorption. The geometrical freedom typical of Additive Manufacturing allows lighter, stiffer, and more effective structures to be designed for aerospace applications. The Laser Powder Bed Fusion technology, in particular, enables the fabrication of metal parts with complex geometries, altering the way the mechanical components are designed and manufactured. This stu

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Stornelli, Giulia, Paolo Folgarait, Maria Rita Ridolfi, et al. "Feasibility Study of Ferromagnetic Cores Fabrication by Additive Manufacturing Process." Materials Proceedings 3, no. 1 (2021): 28. http://dx.doi.org/10.3390/iec2m-09241.

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Currently, the commercial production of ferromagnetic cores involves staking thin sheets of soft magnetic material, alternating with dielectric material to reduce the eddy current losses. High silicon FeSi steels show excellent soft magnetic properties. Anyway, their workability decreases Si content increases thus imposing a technological limit in the production of thin sheets up to 3.5–4% Si. The additive manufacturing (AM) process based on laser powder bed fusion (L-PBF) offers the possibility to redesign the magnetic components, compared to conventional design, allowing to act on the chemic

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Hitzler, Leonhard, Philipp Williams, Markus Merkel, Wayne Hall, and Andreas Öchsner. "Correlation between the Energy Input and the Microstructure of Additively Manufactured Cobalt-Chromium." Defect and Diffusion Forum 379 (November 2017): 157–65. http://dx.doi.org/10.4028/www.scientific.net/ddf.379.157.

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Powder-bed based additive manufacturing techniques are of high interest for the medical sector and recent trial studies have shown their feasibility. Due to the rapid improvements made in the machinery and the related changes in the type and characteristics of the utilized power source, optimizations regarding the fabrication parameters tend to differ amongst various machines. In this study, a parameter optimization was undertaken for a biocompatible dental CoCrMo alloy on a SLM 280HL machine, featuring a 400 W fibre laser. It was shown that the availability of higher laser powers enables a mo

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Linjie, Li, Cui Quanwei, Lu Zhicheng, Sun Haoran, Li Qiang, and Guo Wanli. "Research status on the effect of energy density on the forming microstructure and properties of nickel-based superalloys for laser additive manufacturing." Journal of Physics: Conference Series 2845, no. 1 (2024): 012021. http://dx.doi.org/10.1088/1742-6596/2845/1/012021.

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Abstract Nickel-based superalloys have excellent high-temperature mechanical properties, corrosion resistance and oxidation resistance, and strong machinability. It is widely used in aerospace, submarine and shipbuilding, petrochemical, electronic industry and other industries. However, there are still challenges in the popularization and application of nickel-based superalloys for alloy components with complex structures and extremely harsh working conditions. In this paper, the research status of the influence of energy density on the microstructure and properties of laser additive fabricati

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Lee, Eo Ryeong, Se Eun Shin, Naoki Takata, Makoto Kobashi, and Masaki Kato. "Manufacturing Aluminum/Multiwalled Carbon Nanotube Composites via Laser Powder Bed Fusion." Materials 13, no. 18 (2020): 3927. http://dx.doi.org/10.3390/ma13183927.

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This study provides a novel approach to fabricating Al/C composites using laser powder bed fusion (LPBF) for a wide range of structural applications utilizing Al-matrix composites in additive manufacturing. We investigated the effects of LPBF on the fabrication of aluminum/multiwalled carbon nanotube (Al/MWCNT) composites under 25 different conditions, using varying laser power levels and scan speeds. The microstructures and mechanical properties of the specimens, such as elastic modulus and nanohardness, were analyzed, and trends were identified. We observed favorable sintering behavior under

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Song, Changhui, Aibing Huang, Yongqiang Yang, Zefeng Xiao, and Jia-kuo Yu. "Effect of energy input on the UHMWPE fabricating process by selective laser sintering." Rapid Prototyping Journal 23, no. 6 (2017): 1069–78. http://dx.doi.org/10.1108/rpj-09-2015-0119.

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Purpose This study aims to achieve customized prosthesis for total joint arthroplasty and total hip arthroplasty. Selective laser sintering (SLS) as additive manufacturing could enable small-scale fabrication of customized Ultra High Molecular Weight Polyethylene (UHMWPE) components; however, the processes for SLS of UHMWPE need to be improved. Design/methodology/approach This paper begins by improving the preheating system of the SLS fabricating equipment and then fabricating cuboids with the same size and cuboids with same volume and different size to study the warpage, demonstrating the eff

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Saha, Sourabh K., Dien Wang, Vu H. Nguyen, Yina Chang, James S. Oakdale, and Shih-Chi Chen. "Scalable submicrometer additive manufacturing." Science 366, no. 6461 (2019): 105–9. http://dx.doi.org/10.1126/science.aax8760.

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High-throughput fabrication techniques for generating arbitrarily complex three-dimensional structures with nanoscale features are desirable across a broad range of applications. Two-photon lithography (TPL)–based submicrometer additive manufacturing is a promising candidate to fill this gap. However, the serial point-by-point writing scheme of TPL is too slow for many applications. Attempts at parallelization either do not have submicrometer resolution or cannot pattern complex structures. We overcome these difficulties by spatially and temporally focusing an ultrafast laser to implement a pr

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Hu, Xingjian, Fan Yang, Mingzhao Guo, Jiayun Pei, Haiyan Zhao, and Yujun Wang. "Fabrication of polyimide microfluidic devices by laser ablation based additive manufacturing." Microsystem Technologies 26, no. 5 (2019): 1573–83. http://dx.doi.org/10.1007/s00542-019-04698-4.

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Wiste, T., O. Maliuk, V. Tikhonchuk, et al. "Additive manufactured foam targets for experiments on high-power laser–matter interaction." Journal of Applied Physics 133, no. 4 (2023): 043101. http://dx.doi.org/10.1063/5.0121650.

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Additive manufactured (AM) foams in the context of high-power laser–matter interaction have emerged as a topic of significant interest. Printed foam targets provide a highly controlled environment for laser interaction and permit a high degree of versatility in terms of average density, spatial structure, and materials. These features are of great value to a variety of applications, including inertial confinement fusion and generation of intense x-rays and gamma rays. This paper describes an approach to the design and fabrication of AM foams for laser–plasma interaction experiments, including

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Koppunur, Rakesh, Kiran Kumar Dama, Uzwalkiran Rokkala, Balaji Thirupathi, N. V. S. S. Sagar, and Bhiksha Gugulothu. "Design and Fabrication of Patient-Specific Implant for Maxillofacial Surgery Using Additive Manufacturing." Advances in Materials Science and Engineering 2022 (August 28, 2022): 1–7. http://dx.doi.org/10.1155/2022/7145732.

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Patient-specific implants are well known for fixing the fracture for bone repairs. However, the exact fixation of the fabricated implant to the patients is a challenging task. To overcome this problem, in the present study two kinds of designs are developed and fabricated. Based on the exact fitting to the patient’s oral system, the best design is selected to fabricate. Computed tomography (CT) scan data of the patient oral anatomy is converted into a 3D model using the DICOM Software “Slicer 3D.” The patient-specific maxillofacial implant is fabricated using fused filament fabrication (FFF) a

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Jones, Jason B., David I. Wimpenny, and Greg J. Gibbons. "Additive manufacturing under pressure." Rapid Prototyping Journal 21, no. 1 (2015): 89–97. http://dx.doi.org/10.1108/rpj-02-2013-0016.

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Purpose – This paper aims to investigate the effects on material properties of layer-by-layer application of pressure during fabrication of polymeric parts by additive manufacturing (AM). Although AM, also known popularly as 3D printing, has set a new standard for ease of use and minimal restraint on geometric complexity, the mechanical part properties do not generally compare with conventional manufacturing processes. Contrary to other types of polymer processing, AM systems do not normally use (in-process) pressure during part consolidation. Design/methodology/approach – Tensile specimens we

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Kalman, Les, and Lyndsay Desimone. "A novel workflow for indirect cobalt-chromium restorations using additive manufacturing without digital design." Journal of Dental Research, Dental Clinics, Dental Prospects 15, no. 3 (2021): 147–51. http://dx.doi.org/10.34172/joddd.2021.025.

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This preliminary investigation explored additive manufacturing to fabricate cobalt-chromium onlay restorations without the use of digital design. Extracted molars were prepared for four-surface onlays followed by the conventional approach for the fabrication of provisionals. The provisionals were digitized with an intraoral scanner, and stereolithography (STL) files were fabricated with additive manufacturing in cobalt-chromium, utilizing selective laser melting (SLM). Onlays were bonded to the corresponding tooth. Restorations were polished after cementation and assessed with photography, rad

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Yadav, Mayank Kumar, Riddhi Shukla, Lixia Xi, Zhi Wang, and Konda Gokuldoss Prashanth. "Metallic Multimaterials Fabricated by Combining Additive Manufacturing and Powder Metallurgy." Journal of Composites Science 9, no. 2 (2025): 80. https://doi.org/10.3390/jcs9020080.

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Nature has created a unique combination of materials, and the design and material compositions used in nature are not successfully employed for industrial applications. Metallic multimaterials (MMMs) are a unique class of materials that combine the properties of various metallic constituents (both matrix and reinforcement(s)) to improve the functionality, performance in real-time, and application spectrum. Accordingly, this study explores the fabrication perspective of MMMs by combining both additive manufacturing (AM) and powder metallurgical (PM) routes. Ti6Al4V structures were fabricated vi

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Newkirk, Joseph W., and F. Frank Liou. "High Performance Materials by Laser Deposition." Materials Science Forum 783-786 (May 2014): 2365–69. http://dx.doi.org/10.4028/www.scientific.net/msf.783-786.2365.

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Additive Manufacturing using laser deposition has a great deal of attractiveness as a fabrication technique for metals and alloys. The combination of a high heat input, small molten volume, and incremental addition also is well suited for the production of high performance alloys and composites. The high cooling rates inherent in the process produces refined microstructures, leading to excellent as-deposited mechanical properties in conventional alloys. The high heating rates and cooling rates potentially lends itself to structurally amorphous alloys, functionally gradient materials, and nanos

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Cristino, Valentino, Rui Sampaio, João Pragana, Ivo Bragança, Carlos Silva, and Paulo Martins. "Integration of bending operation in hybrid additive manufacturing chains based on powder bed fusion." MATEC Web of Conferences 408 (2025): 01060. https://doi.org/10.1051/matecconf/202540801060.

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The concept of integration of conventional manufacturing technologies with metal additive manufacturing, namely metal forming, has gained interest within the research community and the industry due to its potential to overcome the limitations of long build times and reduced build volumes of laser powder fusion, expanding their applicability by making use of the advantages of each approach. This study focuses on the optimization of the production sequence of additively manufactured slender three-dimensional custom parts with specific angles by hybridization of metal additive manufacturing with

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Du, Zhenglin, Hui-Chi Chen, Ming Jen Tan, Guijun Bi, and Chee Kai Chua. "Effect of nAl2O3 on the part density and microstructure during the laser-based powder bed fusion of AlSi10Mg composite." Rapid Prototyping Journal 26, no. 4 (2020): 727–35. http://dx.doi.org/10.1108/rpj-05-2019-0136.

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Purpose In recent years, additive manufacturing techniques have attracted much research attention because of their ability to fabricate customised parts with complex geometry. The range of composites suitable for laser-based powder bed fusion technique is limited, and has not been investigated yet. This paper aims to study the fabrication of AlSi10Mg reinforced with nAl2O3 using the laser-based powder bed fusion technique. Design/methodology/approach An experimental approach was used to investigate the densification of AlSi10Mg–nAl2O3 composites using laser-based powder bed fusion technique. O

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Polozov, Igor, Victoria Sokolova, Anna Gracheva, and Anatoly Popovich. "Tailoring the Microstructure of Laser-Additive-Manufactured Titanium Aluminide Alloys via In Situ Alloying and Parameter Variation." Metals 13, no. 8 (2023): 1429. http://dx.doi.org/10.3390/met13081429.

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Titanium aluminide (TiAl) alloys have emerged as promising materials for high-temperature applications due to their unique combination of high-temperature strength, low density, and excellent oxidation resistance. However, the fabrication of TiAl alloys using conventional methods is challenging due to their high melting points and limited ductility. Selective laser melting (SLM), an additive manufacturing technique, offers a viable solution for producing TiAl alloys with intricate geometries and the potential for tailoring their microstructure. This study investigates the effect of in situ cop

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Faiza, Linda Ziyadatul, Wahyu Caesarendra, and Wahyu Dwi Lestari. "Innovations in Additive Manufacturing for Socket Fabrication: An Overview." Journal of Mechanical Engineering Science and Technology (JMEST) 8, no. 2 (2024): 287. https://doi.org/10.17977/um016v8i22024p287.

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Additive Manufacturing (AM) has transformed the prosthetics industry, particularly in socket production, which plays a critical role in the comfort, fit, and functionality of prosthetic limbs. This article examines the latest advancements in AM technologies and their applications in socket fabrication. Key techniques like stereolithography (SLA), selective laser sintering (SLS), and fused deposition modeling (FDM) have facilitated the production of highly personalized, lightweight, and durable prosthetic sockets. These methods not only improve design precision but also allow for the use of bio

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Krzyzanowski, Michal, Dmytro Svyetlichnyy, and Szymon Bajda. "Additive Manufacturing of Multi Layered Bioactive Materials with Improved Mechanical Properties: Modelling Aspects." Materials Science Forum 1016 (January 2021): 888–93. http://dx.doi.org/10.4028/www.scientific.net/msf.1016.888.

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Multilayered laminate structures obtained by coating of ultrafine-grained metallic materials with bioactive and multifunctional composite coatings are considered for biomedical applications. Laser-assisted densification of multiple materials using laser cladding and selective laser melting is an alternative route to reduce the risk of early implant failure allowing for faster and cheaper fabrication. To understand the cooperative relationships between different factors that cam influence the manufacture of such bioactive laminates reflecting in their bioactivity and mechanical properties, the

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Goll, Dagmar, Felix Trauter, Timo Bernthaler, Jochen Schanz, Harald Riegel, and Gerhard Schneider. "Additive Manufacturing of Bulk Nanocrystalline FeNdB Based Permanent Magnets." Micromachines 12, no. 5 (2021): 538. http://dx.doi.org/10.3390/mi12050538.

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Lab scale additive manufacturing of Fe-Nd-B based powders was performed to realize bulk nanocrystalline Fe-Nd-B based permanent magnets. For fabrication a special inert gas process chamber for laser powder bed fusion was used. Inspired by the nanocrystalline ribbon structures, well-known from melt-spinning, the concept was successfully transferred to the additive manufactured parts. For example, for Nd16.5-Pr1.5-Zr2.6-Ti2.5-Co2.2-Fe65.9-B8.8 (excess rare earth (RE) = Nd, Pr; the amount of additives was chosen following Magnequench (MQ) powder composition) a maximum coercivity of µ0Hc = 1.16 T,

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Wu, Gang, Long Chen, Chun Ling Deng, and Kun Wei. "Fabrication of Ofloxacin/PLGA Microsphere for Bone Tuberculosis Therapy." Advanced Materials Research 647 (January 2013): 176–80. http://dx.doi.org/10.4028/www.scientific.net/amr.647.176.

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The purpose of this research was to use mesoporous silicon (mpSi) as internal phase additive to improve the hydrophilic ofloxacin loaded by the hydrophobic PLGA materials through a double emulsion (water-in-oil-in-water) solvent extraction/evaporation method. Laser distribution analysis displayed low impact of MS additive on the final particles size. When compared to particle loading efficiency of none internal phase additives, MS internal phase group showed higher loading efficiency, and it increased with MS amounts inside the microparticles. All the burst releases of MS internal phase groups

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Zhang, Kai, Lei Wang, and Xiao Feng Shang. "Evaluation of the Stability and Precision of Powder Delivery during Laser Additive Manufacturing." Applied Mechanics and Materials 380-384 (August 2013): 4348–52. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.4348.

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The fabrication of metal parts is the backbone of the modern manufacturing industry. Laser forming is combination of five common technologies: lasers, rapid prototyping (RP), computer-aided design (CAD), computer-aided manufacturing (CAM), and powder metallurgy. The resulting process creates part by focusing an industrial laser beam on the surface of processing work piece to create a molten pool of metal. A small stream of powdered alloy is then injected into the molten pool to build up the part gradually. By moving the laser beam back and forth and tracing out a pattern determined by a CAD, t

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Wang, Shutong, Junjie Yang, Guoliang Deng, and Shouhuan Zhou. "Femtosecond Laser Direct Writing of Flexible Electronic Devices: A Mini Review." Materials 17, no. 3 (2024): 557. http://dx.doi.org/10.3390/ma17030557.

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By virtue of its narrow pulse width and high peak power, the femtosecond pulsed laser can achieve high-precision material modification, material additive or subtractive, and other forms of processing. With additional good material adaptability and process compatibility, femtosecond laser-induced application has achieved significant progress in flexible electronics in recent years. These advancements in the femtosecond laser fabrication of flexible electronic devices are comprehensively summarized here. This review first briefly introduces the physical mechanism and characteristics of the femto

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Ignjatović Stupar, Danijela, Grégoire Robert Chabrol, Abdoul Razak Ibrahim Baraze, et al. "Feasibility of additive manufacturing processes for lunar soil simulants." Advanced Technologies & Materials 47, no. 1 (2022): 39–43. http://dx.doi.org/10.24867/atm-2022-1-007.

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Combination of In-situ Resource Utilization (ISRU) and on-site Additive Manufacturing (AM) is one of the “outer space applied technologies” candidates where free shape fabrication from micro (e.g., tools) to mega scale (e.g. lunar habitats) will allow in coming future to settle the Moon or potentially other celestial bodies. Within this research, Selected Laser Melting (SLM) of lunar soil (regolith) simulants (LHS-1 LMS-1 and JSC-2A) using a continuous wave 100 W 1090 nm fiber laser was applied. The resulting samples were mechanically and optically characterized. A numerical multiphysics model

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Reyes Donoso, Gonzalo, Magdalena Walczak, Esteban Ramos Moore, and Jorge Andres Ramos-Grez. "Towards direct metal laser fabrication of Cu-based shape memory alloys." Rapid Prototyping Journal 23, no. 2 (2017): 329–36. http://dx.doi.org/10.1108/rpj-02-2016-0017.

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Purpose The purpose of this paper is to explore the possibility of producing Cu-based shape memory alloys (SMA) by means of direct metal laser fabrication (DMLF). Design/methodology/approach The fabrication approach consists of the combination of laser melting of a metallic powder with heating treatment in a controlled inert atmosphere. Three prospective Cu-Al-Ni alloy compositions were tested, and the effects of laser power, as well as laser exposure time, were verified. Findings All the processed materials were found to attain microstructures and phase change transformation temperatures typi

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Xia, Jiqing. "Advanced Additive Manufacturing of Y2O3-Enhanced Dispersion Strengthened Steel." Highlights in Science, Engineering and Technology 121 (December 24, 2024): 608–13. https://doi.org/10.54097/68rg6n92.

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Oxide dispersion strengthened (ODS) alloys represent a cutting-edge solution for high-temperature applications, with enhanced mechanical properties achieved through the fine dispersion of oxide particles in a metallic matrix. These alloys are critical in industries such as gas turbines and nuclear reactors, where materials must withstand high temperatures and have high strength and creep resistance. Yttria oxide (Y2O3) is particularly effective in distributing nano-scale oxide particles, significantly enhancing the material’s thermal stability, oxidation resistance, and overall strength. Addit

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Mahmud, Asif, Nicolas Ayers, Thinh Huynh, and Yongho Sohn. "Additive Manufacturing of SS316L/IN718 Bimetallic Structure via Laser Powder Bed Fusion." Materials 16, no. 19 (2023): 6527. http://dx.doi.org/10.3390/ma16196527.

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Laser powder bed fusion (LPBF) is a popular additive manufacturing (AM) technique that has demonstrated the capability to produce sophisticated engineering components. This work reports the crack-free fabrication of an SS316L/IN718 bimetallic structure via LPBF, along with compositional redistribution, phase transformations and microstructural development, and nanohardness variations. Constituent intermixing after LPBF was quantitatively estimated using thermo-kinetic coefficients of mass transport and compared with the diffusivity of Ni in the austenitic Fe-Ni system.

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Jayakumar, Arunkumar. "An Assessment on Additive Manufacturing Technique to Fabricate Integral PEM Fuel Cell/Electrolyser Component." MATEC Web of Conferences 172 (2018): 04005. http://dx.doi.org/10.1051/matecconf/201817204005.

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Additive Manufacturing (AM) is a reliable technique to build multifunctional components with any complex geometry. The present paper assesses the role of two vital AM techniques, namely Selective Laser Sintering (SLS) and Selective Laser Melting (SLM) in the fabrication of integral Polymer Electrolyte Membrane (PEM) fuel cell/electrolyser component. Thus, the paper integrates the state-of-the-art technologies, namely additive manufacturing and fuel cell/electrolyser engineering. The US department of energy (US-DoE) target can be comprehensively accomplished for the fuel cell/electrolyser stack

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Eyers, Daniel Roy, Shwe Pyi Soe, and Wan Ahmad Yusmawiza. "Laser Sintering for the Fabrication of Architectural Models." Advanced Materials Research 576 (October 2012): 637–40. http://dx.doi.org/10.4028/www.scientific.net/amr.576.637.

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Additive Manufacturing technologies are widely employed in the production of models for a range of industries. However, to-date little explicit research attention has examined the way in which the Laser Sintering technologies can be used in the specific application of architectural models. To evaluate the suitability of the process, this research develops a SWOT analysis of the Laser Sintering technologies for this application, highlighting not only the current advantages and disadvantages, but also future opportunities and threats which can be observed. From this assessment, the paper demonst

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Thangamani, Geethapriyan, Stefano Felicioni, Elisa Padovano, et al. "A Comprehensive Review of Laser Powder Bed Fusion in Jewelry: Technologies, Materials, and Post-Processing with Future Perspective." Metals 14, no. 8 (2024): 897. http://dx.doi.org/10.3390/met14080897.

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In recent years, additive manufacturing (AM) has played a significant role in various fashion industries, especially the textile and jewelry manufacturing sectors. This review article delves deeply into the wide range of methods and materials used to make intricately designed jewelry fabrication using the additive manufacturing (AM) process. The Laser Powder Bed Fusion (L-PBF) process is examined for its suitability in achieving complex design and structural integrity in jewelry fabrication even with respect to powder metallurgy methods. Moreover, the review explores the use of precious materi

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