Academic literature on the topic 'Powder melting'

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Journal articles on the topic "Powder melting"

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Ayoola, W.A., W.J. Suder, and S.W. Williams. "Identification of Welding Regime in Powder Melting." Nigerian Research Journal of Engineering and Environmental Sciences 6, no. 2` (2021): 574–86. https://doi.org/10.5281/zenodo.5805165.

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<em>Identification of welding regime in powder bed additive manufacturing (AM) is a complex process. This is because in solid melting with homogeneous material where heat conduction is uniform, welding regime can easily be identified. However, in powder melting, heat conduction may vary due to non-homogenous nature of the powder particles, multiple reflection and inconsistence particle-solid plate interaction. This study compared melting behaviour of solid and powder materials when the same interaction parameters and beam diameter were applied. The beam diameters investigated were from 0.10 to
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Su, Pengsheng, Hao Yang, Linping Zhang, Yuewen Zhai, Yuhan Ge, and Xiaozhi Yang. "The research on the geometrical characteristics and microstructure of the cladding track of DZ125L Nickel-based alloy deposited by laser metal direct deposition." Journal of Physics: Conference Series 2819, no. 1 (2024): 012026. http://dx.doi.org/10.1088/1742-6596/2819/1/012026.

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Abstract This study investigates how variations in laser power, scanning speed, defocusing amount, and powder feeding impact the geometrical characteristics and microstructure of DZ125L nickel-based superalloy. The results show that the weld pool size increases with the rise of laser power, but higher laser power will increase the tendency of hot crack defects. With the increase of positive defocusing, the melting height and depth decrease, but the melting width rises first, then decreases and increases finally. The increase in scanning speed leads to the reduction in melting width and height,
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Young, Zachary, Minglei Qu, Meelap Michael Coday, et al. "Effects of Particle Size Distribution with Efficient Packing on Powder Flowability and Selective Laser Melting Process." Materials 15, no. 3 (2022): 705. http://dx.doi.org/10.3390/ma15030705.

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The powder bed-based additive manufacturing (AM) process contains uncertainties in the powder spreading process and powder bed quality, leading to problems in repeatability and quality of the additively manufactured parts. This work focuses on identifying the uncertainty induced by particle size distribution (PSD) on powder flowability and the laser melting process, using Ti6Al4V as a model material. The flowability test results show that the effect of PSDs on flowability is not linear, rather the PSDs near dense packing ratios cause significant reductions in flowability (indicated by the incr
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Tshabalala, Lerato Criselda, Ntombizodwa Mathe, and Hilda Chikwanda. "Characterization of Gas Atomized Ti-6Al-4V Powders for Additive Manufacturing." Key Engineering Materials 770 (May 2018): 3–8. http://dx.doi.org/10.4028/www.scientific.net/kem.770.3.

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In this paper, titanium powders from various sources were characterized to compare powder intergrity for additive manufacturing by selective laser melting process. Selective laser melting by powder-bed based Additive Manufacturing (AM) is an advanced manufacturing process that bonds successive layers of powder by laser melting to facilitate the creation of engineering components. This manufacturing approach facilitates the production of components with high geometrical complexity that would otherwise be impossible to create through conventional manufacturing processes. Although the use of powd
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Bigerelle, Maxence, Anaïs Galliere, Yucelys Y. Santana, et al. "A Multiscale Topographical Surface Analysis of High Entropy Alloys Coatings by Laser Melting." Materials 16, no. 2 (2023): 629. http://dx.doi.org/10.3390/ma16020629.

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High Entropy Alloys (HEAs) coatings obtained by laser melting (LM) technique were studied through a multiscale topographical surface analysis using a focus variation microscope. The laser melting creates a multiscale topography from under-powder size (incomplete or complete powder melting) to upper-powder size (process conditions). The surface topography must be optimized because of the significant influence on friction and material transfer during sliding wear. The analyses were shown that different pre-melting zone interactions were present. Statistical analysis based on covariance analyses
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Saprykin, Alexander A., Yuriy P. Sharkeev, Natalya A. Saprykina, and Egor A. Ibragimov. "The Mechanism of Forming Coagulated Particles in Selective Laser Melting of Cobalt-Chromium-Molybdenum Powder." Key Engineering Materials 839 (April 2020): 79–85. http://dx.doi.org/10.4028/www.scientific.net/kem.839.79.

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Selective laser melting (SLM) is thought to be a prospective manufacturing technology of complex metal components. Formation of coagulated particles when melting is reported to be an important factor for target mechanical properties of the end product. This paper discusses the effect of SLM parameters, including laser output power, laser movement velocity, preheating temperature of the powder, laser beam diameter on the mechanism of forming coagulated particles in melting cobalt-chromium-molybdenum powdered material. The study shows that a rise of power to 60 W at a scanning velocity 6 mm/s ca
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Saprykina, Natalia, Valentina Chebodaeva, Alexandr Saprykin, Yurii Sharkeev, Egor Ibragimov, and Taisiya Guseva. "Synthesis of a three-component aluminum-based alloy by selective laser melting." Metal Working and Material Science 24, no. 4 (2022): 151–64. http://dx.doi.org/10.17212/1994-6309-2022-24.4-151-164.

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Introduction. The technology of selective laser melting is one of the key technologies in Industry 4.0, which allows manufacturing products of any complex geometric shape, reducing significantly the amount of material used, reducing the lead time and obtaining a new alloy from elementary powders in the melting process. To understand the process of alloy formation under laser exposure, it is necessary to know the initial data of powders, which significantly affect the quality of the products obtained. The purpose of this study is to determine the requirements for the structural-phase state, ele
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van Belle, Laurent, and Alban Agazzi. "Inverse Thermal Analysis of Melting Pool in Selective Laser Melting Process." Key Engineering Materials 651-653 (July 2015): 1519–24. http://dx.doi.org/10.4028/www.scientific.net/kem.651-653.1519.

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The Selective Laser Melting (SLM) process of metallic powder is an additive technology. It allows the production of complex-shaped parts which are difficult to obtain by conventional methods. The principle is similar to Selective Laser Sintering (SLS) process: it consists, from an initial CAD model, to create the desired part layer by layer. The laser scans a powder bed of 40 μm thick. The irradiated powder is instantly melted and becomes a solid material when the laser moves away. A new layer of powder is left and the laser starts a new cycle of scanning. The sudden and intense phase changing
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Saprykina, Natalia, Valentina Chebodaeva, Alexandr Saprykin, Yurii Sharkeev, Egor Ibragimov, and Taisiya Guseva. "Optimization of selective laser melting modes of powder composition of the AlSiMg system." Metal Working and Material Science 26, no. 1 (2024): 22–37. http://dx.doi.org/10.17212/1994-6309-2024-26.1-22-37.

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Introduction. New aluminum-based powder systems are currently being developed for additive manufacturing. The scientists' work is aimed at comprehensive studies of powder production, optimization of conditions for alloy production and formation of three-dimensional specimens with minimal porosity and absence of cracking during selective laser melting. The purpose of this work is the synthesis of an almost spherical Al-Si-Mg composite powder (91 wt. % Al, 8 wt. % Si, 1 wt. % Mg) from aluminum powder PA-4 (GOST 6058-22), silicon powder (GOST 2169-69) and magnesium powder MPF-4 (GOST 6001-79), wh
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Balyakin, A. V. "Model of interaction between laser radiation and metal powder composition during direct laser growth." VESTNIK of Samara University. Aerospace and Mechanical Engineering 23, no. 4 (2024): 99–111. https://doi.org/10.18287/2541-7533-2024-23-4-99-111.

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This paper presents a model for analyzing the interaction of laser radiation and a metal-powder composition in the process of direct laser growing of large-sized combustion chambers of gas turbine engines. The metal-powder composition is fed into the melting zone coaxially with laser radiation; the task is to completely melt the powder with laser radiation before it enters the melt bath on the construction platform. The laser radiation is absorbed as it passes through the gas-powder jet, and its energy is also used to melt the construction platform or the previous layer. Thus, in order to dete
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Dissertations / Theses on the topic "Powder melting"

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Barnhart, Bradley K. Barnhart. "Characterization of Powder and the Effects of Powder Reuse in Selective Laser Melting." Case Western Reserve University School of Graduate Studies / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=case1500493469109699.

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Weinberg, Johannes (Johannes C. ). "A precision blade mechanism for powder recoating in Selective Laser Melting." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/118682.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2018.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 111-117).<br>Selective Laser Melting (SLM) is an industrially viable means of additively manufacturing metal components with complex geometries from a wide variety of alloys. In this process, a metal powder is spread onto a build surface in a thin layer, and then the powder is selectively melted to form a cross-sectional slice of the part. This process is repeated until the part is complete. The packing density a
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Ayoola, Wasiu Ajibola. "Study of fundamental laser material interaction parameters in solid and powder melting." Thesis, Cranfield University, 2016. http://dspace.lib.cranfield.ac.uk/handle/1826/10025.

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This study attempts to develop a set of parameters controlling the bead profile of deposits in powder melting, based on the spatial energy distribution of laser. Four parameters, identified as the laser material interaction parameters were used to study the bead profile formation in powder melting. The focus is put on control of the dimensional accuracy of powder deposits independently of the optical set-up and laser system. In the initial stage to understand the effect of welding parameters on the development of the fusion zone, a solid metal with homogenous and known thermal properties was u
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Hällgren, Sebastian. "Some aspects on designing for metal Powder Bed Fusion." Licentiate thesis, Örebro universitet, Institutionen för naturvetenskap och teknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-62947.

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Additive Manufacturing (AM) using the Powder Bed Fusion (PBF) is a relatively new manufacturing method that is capable of creating shapes that was previously practically impossible to manufacture. Many think it will revolutionize how manufacturing will be done in the future. This thesis is about some aspects of when and how to Design for Additive Manufacturing (DfAM) when using the PBF method in metal materials. Designing complex shapes is neither easy nor always needed, so when to design for AM is a question with different answers depending on industry or product. The cost versus performance
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Nilsson, Erik, and Daniel Johansson. "Testing and evaluation of component made using electron beam melting and Alloy 718 powder." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-35566.

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The aerospace industry is constantly striving to becoming more economical and environmentally friendly. One of many efforts to achieve this is the Lightcam project which in this case is evaluating the use of additive manufacturing in the form of electron beam melting in conjunction with the nickel-based superalloy, Alloy 718. This combination is not fully explored and examined. For this purpose, a demonstrator vane was produced and it was subsequently evaluated in this thesis. The evaluation was performed in as-built condition and was divided in non-destructive testing, evaluation of these met
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Feldt, Daniel, Petra Hedberg, Asker Jarlöv, et al. "Independent Project in Chemical Engineering and Materials Engineering : A literature study of powder-based additive manufacturing." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-354425.

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The focus of this literary study was additive manufacturing (AM) and the purpose was to find general trends for selected materials that have been additively manufactured and compare them to results from other reviews. The raw materials studied were stainless steels 316L, 17-4 PH, 15-5 PH and 420, as well as tool steel H13 and nickel alloys 625, 718 and Hastelloy X.The AM techniques studied were selective laser melting (SLM), electron beam melting (EBM) and binder jetting (BJG).  A total of 69 articles have been studied to fulfill the purpose above. The articles were used to write a summary of
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RIZZA, GIOVANNI. "Modelling of the powder sintering process and relative thermal conductivity variation during the electron beam powder bed fusion (PBF-EB)." Doctoral thesis, Politecnico di Torino, 2023. https://hdl.handle.net/11583/2976601.

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Kurian, Sachin. "Process-Structure-Property Relationship Study of Selective Laser Melting using Molecular Dynamics." Thesis, Virginia Tech, 2020. http://hdl.handle.net/10919/104115.

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Selective Laser Melting (SLM), a laser-based Additive Manufacturing technique has appealed to the bio-medical, automotive, and aerospace industries due to its ability to fabricate geometrically complex parts with tailored properties and high-precision end-use products. The SLM processing parameters highly influence the part quality, microstructure, and mechanical properties. The process-structure-property relationship of the SLM process is not well-understood. In the process-structure study, a quasi-2D model of Micro-Selective Laser Melting process using molecular dynamics is developed to inve
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Bradford-Vialva, Robyn L. "Development of a Metal-Metal Powder Formulations Approach for Direct Metal Laser Melting of High-Strength Aluminum Alloys." University of Dayton / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1620259752540201.

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Roos, Stefan. "Process Development for Electron Beam Melting of 316LN Stainless Steel." Licentiate thesis, Mittuniversitetet, Institutionen för kvalitets- och maskinteknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-37840.

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Additive manufacturing (AM) is a technology that inverts the procedure of traditional machining. Instead of starting with a billet of material and removing unwanted parts, the AM manufacturing process starts with an empty workspace and proceeds to fill this workspace with material where it is desired, often in a layer-by-layer fashion. Materials available for AM processing include polymers, concrete, metals, ceramics, paper, photopolymers, and resins. This thesis is concerned with electron beam melting (EBM), which is a powder bed fusion technology that uses an electron beam to selectively mel
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Books on the topic "Powder melting"

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Conkling, John A. Chemistry of pyrotechnics: Basic priniciples and theory. M. Dekker, 1985.

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Powder Technology in Plastics Processing. Hanser Publications, 2021.

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Powder Technology in Plastics Processing. Hanser Publications, 2021.

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Hamburg-Harburg, Technische Universität, ed. Microstructural Analyses of intermetallic TiAl(Nb)-compounds prepared by arc melting and powder metallurgy. 1988.

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Lafferty, Peter. Burning and Melting (Hands on Science). Franklin Watts Ltd, 1990.

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Hopkins, Billy. Melting of an Armored Heart: The Power of a Maiden's Touch. Independently Published, 2019.

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Conkling, John A. Chemistry of Pyrotechnics: Basic Principles and Theory, Second Edition. 2nd ed. CRC, 2015.

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Siever, Bill, and Andrew Leatherbarrow. Melting Sun: The History of Nuclear Power in Japan and the Disaster at Fukushima Daiichi. Leatherbarrow, Andrew, 2022.

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Siever, Bill, and Andrew Leatherbarrow. Melting Sun: The History of Nuclear Power in Japan and the Disaster at Fukushima Daiichi. Leatherbarrow, Andrew, 2022.

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Agency, International Atomic Energy. Current Approaches to the Analysis of Design Extension Conditions with Core Melting for New Nuclear Power Plants. International Atomic Energy Agency, 2021.

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Book chapters on the topic "Powder melting"

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Nahr, Florian, and Michael Schmidt. "Laser Beam Melting of Metals." In Springer Tracts in Additive Manufacturing. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-78350-0_8.

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Abstract In the powder bed fusion of metals applying a laser beam (PBF-LB/M), components are built layer-wise by melting a thin bed of powder using a laser beam as an energy source. The build chamber is filled with shielding gas using purified Argon or Nitrogen to prevent oxidation and allow for efficient heat conduction and convective cooling of the build surface. Although laser beam melting operates at ambient temperatures, most of the PBF-LB/M machines are capable of substrate preheating. The powder particles absorb the photons in the first microseconds after the impact of the laser beam an
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Kim, Kyu Tae, Seok Hern Jang, Jun Hyung Lim, et al. "Fabrication of Bi-2212/SrSO4 Composite Superconductors by Melting Powder Mixtures." In Progress in Powder Metallurgy. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-419-7.1597.

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Mucsi, C. S., R. N. Faria, E. Galego, and J. L. Rossi. "Consolidation of Compacted Zircaloy Chips via Vacuum Arc Melting - Analysis of the Electric Arc." In Advanced Powder Technology IV. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-984-9.258.

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Burkhardt, Christian, Dominic Soldner, Paul Steinmann, and Julia Mergheim. "Macroscopic Modeling, Simulation, and Optimization." In Springer Tracts in Additive Manufacturing. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-78350-0_14.

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Abstract During the repeated melting and cooling of (initially) powder material in powder bed based additive manufacturing (AM), high temperatures and large temperature gradients arise. These lead to thermal expansion and contraction of the material, for both metals and polymers and to shrinkage during crystallization in the case of semi-crystalline polymers. The heterogeneous temperature field, temperature-dependent mechanical behavior, and heterogeneous crystallization result in warpage and residual stresses during powder bed fusion (PBF).
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Park, Kwan Ho, Jung Il Lee, Soon Chul Ur, and Il Ho Kim. "Thermoelectric Properties of Fe-Doped CoSb3 Prepared by Encapsulated Induction Melting and Hot Pressing." In Progress in Powder Metallurgy. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-419-7.1557.

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Kim, Mi Jung, Jung Il Lee, Soon Chul Ur, and Il Ho Kim. "Thermoelectric Properties of Ni-Doped CoSb3 Prepared by Encapsulated Induction Melting and Hot Pressing." In Progress in Powder Metallurgy. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-419-7.1561.

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Sharma, Rahul, Shubhra Saxena, and Arvind Kumar. "Thermal Stress Analysis in Selective Laser Melting of Ti6Al4V Powder Layer." In Lecture Notes on Multidisciplinary Industrial Engineering. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0556-6_5.

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Kasch, Susanne, Thomas Schmidt, Fabian Eichler, Laura Katharina Thurn, Simon Jahn, and Sebastian Bremen. "Solution Approaches and Process Concepts for Powder Bed-Based Melting of Glass." In Industrializing Additive Manufacturing. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-54334-1_7.

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Bao, Qipeng, Lei Guo, and Zhancheng Guo. "Preparation of Spherical Iron Powder by High-Temperature Re-melting and Spheroidizing." In The Minerals, Metals & Materials Series. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-92388-4_53.

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Sun, Xiao, Shouping Liu, Jun Bao, and Kai Kang. "Selective Laser Melting: Characteristics of IN718 Powder and Microstructures of Fabricated IN718 Sample." In Characterization of Minerals, Metals, and Materials 2015. John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119093404.ch4.

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Conference papers on the topic "Powder melting"

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Du, Yang, and Craig Arnold. "Powder melting efficiency during the laser powder bed fusion additive manufacturing." In Laser 3D Manufacturing XII, edited by Henry Helvajian, Bo Gu, and Hongqiang Chen. SPIE, 2025. https://doi.org/10.1117/12.3040799.

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Murkute, Pratik, O. Burkan Isgor, and Somayeh Pasebani. "Electrochemical Investigation of Super Duplex Stainless Steel Cladded Carbon Steel Manufactured via Powder Bed Selective Laser Melting." In CORROSION 2019. NACE International, 2019. https://doi.org/10.5006/c2019-13538.

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Abstract This study aims to investigate the electrochemical and corrosion properties of super duplex stainless steel (SDSS) cladded low carbon steel (LCS) manufactured using powder bed fusion selective laser melting (PBF-SLM) technique in 3.56 wt.% NaCl aqueous solution. The PBF-SLM technique involves spreading of a thin layer of SDSS powder on a LCS substrate followed by localized melting with Yb - fiber laser. Crucial parameters of the PB-SLM process such as laser power, laser-scanning speed, and layer thickness were optimized and fine-tuned to achieve the best possible bonding between the c
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Xiao, Bin, and Yuwen Zhang. "Analysis of Melting in a Single-Component Metal Powder Bed Subject to Constant Heat Flux Heating." In ASME 2004 Heat Transfer/Fluids Engineering Summer Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/ht-fed2004-56362.

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To model Selective Laser Sintering (SLS) of single-component metal powders, melting of a subcooled powder bed with single-component metal powder is investigated analytically. Since laser processing of metal powder is a very rapid process, the liquid and solid phases of a partially molten powder particle may have different temperatures: the temperature in the liquid phase is higher than the melting point, and the temperature in the solid phase is below the melting point. Therefore, the local temperature of regions with partial molten particles is within a range of temperature adjacent to the me
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Xiao, Bin, and Yuwen Zhang. "Partial Melting and Resolidification of Single-Component Metal Powder With a Moving Laser Beam." In ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. ASMEDC, 2005. http://dx.doi.org/10.1115/ht2005-72161.

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Partial melting and resolidification of single-component metal powders with a moving laser beam is investigated numerically. Since laser processing of metal powder is a very rapid process, the liquid layer and solid core of a partially molten powder particle may not at thermal equilibrium and have different temperatures: the temperature of the liquid part is higher than the melting point, and the temperature of the solid core is below the melting point. Therefore, the local temperature of regions with partial molten particles is within a range of temperature adjacent to the melting point, inst
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Yasa, Evren, Jan Deckers, Jean-Pierre Kruth, Marleen Rombouts, and Jan Luyten. "Investigation of Sectoral Scanning in Selective Laser Melting." In ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2010. http://dx.doi.org/10.1115/esda2010-24621.

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Selective laser melting (SLM), a powder metallurgical (PM) additive manufacturing (AM) technology, is able to produce fully functional parts directly from standard metal powders without using any intermediate binders or any additional post-processing steps. During the process, a laser beam selectively scans a powder bed according to the CAD data of the part to be produced and completely melts the powder particles together. Stacking and bonding two-dimensional powder layers in this way, allows production of fully dense parts with any geometrical complexity. The scanning of the powder bed by the
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GONCHAROV, Ivan, Nikolay RAZUMOV, Evgenii BORISOV, Aleksey SILIN, and Anatoly POPOVICH. "selective laser melting foR nb-based powder alloy." In METAL 2019. TANGER Ltd., 2019. http://dx.doi.org/10.37904/metal.2019.932.

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Boegelein, Thomas, Ashwin Rao, Andrew R. Jones, and Gordon J. Tatlock. "Selective Laser Melting of Oxide Dispersion Strengthened Steels." In ASME 2011 Pressure Vessels and Piping Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/pvp2011-57892.

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Oxide Dispersion Strengthened (ODS) alloys are a long established class of materials manufactured using powder metallurgy techniques. These alloys can offer exceptional high temperature strength and resistance to radiation damage, thus are envisioned to be used in a number of future nuclear and fossil energy power applications. However, due to the manufacturing steps involved, the overall cost to build components with these materials can be high. This paper presents work conducted to assess the feasibility of applying Selective Laser Melting (SLM) techniques to either coat or direct build on s
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Azadbeh, Maziyar, Samira Eslami, Mahsa Golchinfard, Faezeh Gaffari, Herbert Danninger, and Christian Gierl Mayer. "Comparing Microstructure and Properties of Ti and Ti-10Mo Alloys Prepared by Selective Laser Melting." In Euro Powder Metallurgy 2023 Congress & Exhibition. EPMA, 2023. http://dx.doi.org/10.59499/ep235765041.

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This study focuses on the influence of adding Molybdenum to Ti on properties, microstructure and presumably formation of beta phase. For this purpose, specimens from plain Ti powder and Ti-10Mo mixed elemental powders, respectively, were fabricated by selective laser melting (SLM) under the same parameters in argon atmosphere. The laser power, scanning speed and hatch distance were 95 W, 600 mm.s-1 and 0.088 mm, respectively. Ti-10Mo alloy was prepared successfully by SLM of elemental powder mix, a few undissolved but uniformly distributed Mo particles remaining. The molten pools are clearly v
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Volpp, Joerg, Frank Brueckner, and Alexander F. H. Kaplan. "Track geometry variations in selective laser melting processes." In ICALEO 2018: 37th International Congress on Applications of Lasers & Electro-Optics. Laser Institute of AmericaLIA, 2018. https://doi.org/10.2351/7.0004013.

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Selective laser melting processes are widely used for many industrial applications using a laser beam to melt pre-placed powder material layer by layer to create technical parts. The building process of those structures requires re-melting of adjacent tracks and layers in order to avoid cavities and achieve the joining of the new track to the previous track and layer. In order to achieve a sufficient overlap and minimize cavities, usually conservative processing parameters are chosen. A higher energy and powder usage efficiency would be achieved if knowing about the formation process of the si
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Fakhruddin, Ahmad Kamil, and Hasmaliza Mohamad. "Effect of melting temperture to purity of cordierite powder." In PROCEEDING OF THE 3RD INTERNATIONAL CONFERENCE OF GLOBAL NETWORK FOR INNOVATIVE TECHNOLOGY 2016 (3RD IGNITE-2016): Advanced Materials for Innovative Technologies. Author(s), 2017. http://dx.doi.org/10.1063/1.4993379.

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Reports on the topic "Powder melting"

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Dunn, P. S., D. R. Korzekwa, F. G. Garcia, and C. A. Michaluk. Chemistry modification of high oxygen-carbon powder by plasma melting: Follow up to complete the story. Office of Scientific and Technical Information (OSTI), 1998. http://dx.doi.org/10.2172/650296.

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Chutimaworapan, Suchada, Chaiyo Chaichantippayuth, and Areerat Laopaksa. Formulation of pharmaceutical products of Garcinia mangostana Linn. extracts. Chulalongkorn University, 2006. https://doi.org/10.58837/chula.res.2006.32.

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Part I: The purpose of the investigation was to develop the extraction process that was simple, practical and giving high yield. The maceration of dried powder of Garcinia mangostana fruit husk with ethyl acetate gave yellow crystalline powder of mangostin. The yield was calculated as 7.47%. The identification of the Garcinia mangostanahusk extract was carried out by thin-layer chromatography (TLC) and differential scanning calorimetry. The TLC of mangostin was done by using the alumina sheet and ethyl acetate: hexane (3:1) as mobile phase. The Rf value as compared with standard mangostin was
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Petersen, Guðrún. Alviðruhamrar – Meteorological conditions. Icelandic Meteorological Office, 2025. https://doi.org/10.33112/damc5680.

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This report is written for EP Power Minerals ehf. that is planning activities in in SoutheastIceland. Themeteorological conditions inMýrdalssandur and Alviðruhamrar in SoutheastIceland are analysed using observations from two automatic long-term weather stations and reanalysis data from the CARRA reanalysis project. The emphasis is on the wind conditions. The climate of the region is mild and wet. There are three main wind directions, northerly, easterly and southwesterly. Winds from the north are in general dry and winds form the east wet. However, depending on the general weather conditions
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