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Relevant bibliographies by topics / L-PBF based processing route

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Academic literature on the topic 'L-PBF based processing route'

Author: Grafiati

Published: 14 March 2023

Last updated: 31 July 2025

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Journal articles on the topic "L-PBF based processing route"

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Obasa, Victoria Dumebi, Oludolapo Akanni Olanrewaju, Oluwashina Phillips Gbenebor, et al. "A Review on Lignin-Based Carbon Fibres for Carbon Footprint Reduction." Atmosphere 13, no. 10 (2022): 1605. http://dx.doi.org/10.3390/atmos13101605.

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Carbon fibers (CFs) are made mostly from a non-environmentally friendly polyacrylonitrile (PAN) and little from rayon. PAN-based CFs, require huge amount of energy for its production aside its contributions to the global CO2 emission. Therefore, there is recourse to a more environmentally friendly sources of CFs biomass. Recently lignin has been recognized as a potential renewable raw material for carbon fibers to replace PAN-based. The magnitude and quality of CO2 emission of lignin-based CFs are dependent on the processing route. On this premise; this review examines the various lignin-based

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Sehen Issa, Radhi, and Hussein A. Hussein Al-Delfi. "Optimized Deep Learning Technique Based Digital Modulation Identification." Academic Journal of Electrical and Computer Engineering 1, no. 2 (2025): 33–38. https://doi.org/10.31272/ajece.21.

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In many forms of wireless communication, such as cognitive radio and signal recon, modulation detection is a crucial task. The demand for accurate identification of OFDM signal has increased due to the diversity of modulation techniques and the complex route environment. The enhanced large data processing and categorization capabilities of D-L are thought to be viable answer to these issues. In this study, an effective deep neural network (DNN)-based technique for digital modulation identification is proposed. In addition, we introduce the particle-swarm-optimization (P-S-O) approach to improv

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Naffakh, Mohammed. "Biopolymer Nanocomposite Materials Based on Poly(L-lactic Acid) and Inorganic Fullerene-like WS2 Nanoparticles." Polymers 13, no. 17 (2021): 2947. http://dx.doi.org/10.3390/polym13172947.

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In the current study, inorganic fullerene (IF)-like tungsten disulphide (WS2) nanoparticles from layered transition metal dichalcogenides (TMDCs) were introduced into a poly(L-lactic acid) (PLLA) polymer matrix to generate novel bionanocomposite materials through an advantageous melt-processing route. The effectiveness of employing IF-WS2 on the morphology and property enhancement of the resulting hybrid nanocomposites was evaluated. The non-isothermal melt–crystallization and melting measurements revealed that the crystallization and melting temperature as well as the crystallinity of PLLA we

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Kaushal, Sarbjeet, Dilkaran Singh, Dheeraj Gupta, and Vivek Jain. "Processing of Ni–WC–Cr3C2-based metal matrix composite cladding on SS-316L substrate through microwave irradiation." Journal of Composite Materials 53, no. 8 (2018): 1023–32. http://dx.doi.org/10.1177/0021998318794846.

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The present paper reports on the development of metal matrix composite clads of Ni–WC–Cr3C2-based materials through microwave heating route. In this study, metal matrix composite clads were deposited on austenitic stainless steel (SS-316 L) inside a multimode-type domestic microwave oven. Experiment trials were carried out at a microwave power of 900 W and frequency of 2.45 GHz. The optimal exposure time for processing of metal matrix composite clads was varied from 60 to 360 s. The microstructural analysis of processed clads revealed that the metal matrix composite clads of approximately 0.85

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Varvara, Simona, Sorin-Aurel Dorneanu, Alexandru Okos, et al. "Dissolution of Metals in Different Bromide-Based Systems: Electrochemical Measurements and Spectroscopic Investigations." Materials 13, no. 16 (2020): 3630. http://dx.doi.org/10.3390/ma13163630.

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The dissolution of the main metals (Cu, Zn, Sn, Pb and Fe) found in waste printed circuit boards (WPCBs) was investigated by electrochemical corrosion measurements (potentiodynamic polarization and electrochemical impedance spectroscopy (EIS)) in different bromide-based systems that could be used as lixiviants in hydrometallurgical route of metals recovery. The analysis of the corrosion products was carried out by X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) measurements. All measurements showed that the addition of bromine in the electrolyte favors to great extents the d

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Rauh, Simon, Shashank Deepak Prabhu, Gerhard Wolf, Lioba Fischer, Nico Hempel, and Peter Mayr. "Laser Powder Bed Fusion of Copper–Tungsten Powders Manufactured by Milling or Co-Injection Atomization Process." Materials 17, no. 17 (2024): 4394. http://dx.doi.org/10.3390/ma17174394.

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The processing of pure copper (Cu) has been a challenge for laser-based additive manufacturing for many years since copper powders have a high reflectivity of up to 83% of electromagnetic radiation at a wavelength of 1070 nm. In this study, Cu particles were coated with sub-micrometer tungsten (W) particles to increase the laser beam absorptivity. The coated powders were processed by powder bed fusion-laser beam for metals (PBF-LB/M) with a conventional laser system of <300 watts laser power and a wavelength of 1070 nm. Two different powder manufacturing routes were developed. The first man

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Gunawan, Ratih Yuliani, Andri Irfan Rifai, and Muhamad Alamsyah Irianto. "AutoCAD® 2D for Geometric Design of Terbanggi Besar–Pematang Panggang Highway (Sta.28+650 – Sta.53+650)." Citizen : Jurnal Ilmiah Multidisiplin Indonesia 2, no. 5 (2022): 757–65. http://dx.doi.org/10.53866/jimi.v2i5.189.

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With a length of approximately 2,818 kilometers, the Trans Sumatra Highway connects cities from Lampung to Aceh. Meticulous planning and adherence to the geometric and technical requirements of the route are required to provide good road service. The purpose of this paper is to specifically redesign the current route on the Terbanggi Besar-Pematang Panggang section of the highway. The information used in this report as a guide for re-planning came from the results of field surveys. The geometric design of this highway was carried out using the manual calculation method based on the Road Design

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Nagy, Ildikó, and János Tamás. "Optimization of Density of Sugar Beet (Beta vulgaris L.) Production Quotas by Pointwise Geostatistic Methods." Acta Agraria Debreceniensis, no. 18 (March 4, 2005): 46–50. http://dx.doi.org/10.34101/actaagrar/18/3246.

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The regional distribution of the Hungarian sugar beet production quotas was developed by the conventional concurrency relationships. In our research we analyzed 320 sectors of 9 factories with geostatistic methods in a GIS environment. The applied researches of spatial mean, spatial deviation, deviational ellipse have been introduced by us in this speciality. We used two different methods in our optimization inquiries, where the spatial segment of the standard deviational ellipse was based on a more robust preliminary data processing solution, and this is why it is a less parametricable method

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Naffakh, Mohammed. "Nanocomposite Materials Based on TMDCs WS2 Modified Poly(l-Lactic Acid)/Poly(Vinylidene Fluoride) Polymer Blends." Polymers 13, no. 13 (2021): 2179. http://dx.doi.org/10.3390/polym13132179.

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Novel multifunctional biopolymer blend nanocomposites composed of poly(vinylidene fluoride)(PVDF) and tungsten disulfide nanotubes (INT-WS2) that are layered transition metal dichalcogenides (TMDCs) were easily prepared by applying an economical, scalable, and versatile melt processing route. Furthermore, their synergistic effect to enhance the properties of poly(L-lactic acid) (PLLA) matrix was investigated. From morphological analysis, it was shown that the incorporation of 1D (INT)-WS2 into the immiscible PLLA/PVDF mixtures (weight ratios: 80/20, 60/40, 40/60, and 20/80) led to an improveme

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Torre, Roberto. "Advances in the Automatic Lemmatization of Old English: Class IV Strong Verbs (L-Y)." Atlantis. Journal of the Spanish Association for Anglo-American Studies 45, no. 2 (2023): 21–46. http://dx.doi.org/10.28914/atlantis-2023-45.2.02.

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The morphological features of an inflectional language like Old English (OE), which also presents generalized spelling inconsistencies, limit the use of lemmatizing and tagging tools that can be applied to natural languages. Consequently, the development of Natural Language Processing (NLP) models, which crucially depend on lemmatized corpora, is slowed down. Against this background, this article develops a lemmatizer within the framework of Morphological Generation that allows for the type-based automatic lemmatization of OE class IV strong verbs (L–Y). The lemmatizer incorporates a set of al

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Dissertations / Theses on the topic "L-PBF based processing route"

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SIVO, ANTONIO. "On the Laser Powder Bed Fusion based processing route for hard to weld Nickel Superalloys." Doctoral thesis, Politecnico di Torino, 2022. http://hdl.handle.net/11583/2971609.

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Book chapters on the topic "L-PBF based processing route"

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Yakout, Mostafa, and M. A. Elbestawi. "Insights on Laser Additive Manufacturing of Invar 36." In Advances in Civil and Industrial Engineering. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-4054-1.ch004.

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Recently, additive manufacturing (AM) became a promising technology to manufacture complex structures with acceptable mechanical properties. The laser powder-bed fusion (L-PBF) process is one of the most common AM processes that has been used for producing a wide variety of metals and composites. Invar 36 is an austenite iron-nickel alloy that has a very low coefficient of thermal expansion; therefore, it is a good candidate for the L-PBF process. This chapter covers the state-of-the-art for producing Invar 36 using the L-PBF process. The chapter aims at describing research insights of using m

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Mogale, Ntebogeng, Wallace Matizamhuka, and Prince Cobbinah. "Hot Corrosion and Oxidation Behaviour of TiAl Alloys during Fabrication by Laser Powder Bed Additive Manufacturing Process." In Corrosion [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.100345.

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This research paper summarises the practical relevance of additive manufacturing with particular attention to the latest laser powder bed fusion (L-PBF) technology. L-PBF is a promising processing technique, integrating intelligent and advanced manufacturing systems for aerospace gas turbine components. Some of the added benefits of implementing such technologies compared to traditional processing methods include the freedom to customise high complexity components and rapid prototyping. Titanium aluminide (TiAl) alloys used in harsh environmental settings of turbomachinery, such as low-pressur

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Conference papers on the topic "L-PBF based processing route"

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Han, Bing, Manuel Marya, and Srinand Karuppoor. "On the Additive Manufacturing of Alloy 718 for Meeting the Standard Industry Hydrogen Sulfide Requirements." In CONFERENCE 2023. AMPP, 2023. https://doi.org/10.5006/c2023-18809.

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Abstract The Additive Manufacturing (AM) of Alloy 718 oilfield components by Powder Bed Fusion - Laser (PBF-L) is attractive from lead-time and sustainability standpoints. For this investigation, AM 718 coupons built by PBF-L were acquired from four AM commercial providers. Powder composition, post-processes, microstructures, and mechanical properties of AM 718 were evaluated using standardized test coupons. Resistance to sulfide-stress-cracking (SSC) was measured using (a) NACE TM0177 Method A and Method C tests in NACE MR0175 Level III (including with galvanic coupling) and Level VII conditi

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Deirmina, Faraz, Eleonora Bettini, Jonathan Hann, et al. "Laser Powder Bed Fusion And Directed Energy Deposition Of A Novel Hot Work Tool Steel: A Comparative Study." In Euro Powder Metallurgy 2024 Congress & Exhibition. EPMA, 2024. http://dx.doi.org/10.59499/ep246282485.

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To address the challenges in processing medium-carbon hot work tool steels by laser-based additive manufacturing (AM), a recently developed hot work tool steel with improved processability was processed by both laser powder bed fusion (L-PBF) and laser-directed energy deposition (L-DED). Microstructure and phases in as-built (AB) and quenched (Q) states were compared for both processing routes. Hardness, Charpy V notch impact toughness, tempering- and thermomechanical softening- resistance, after direct double tempering from AB condition (DT) and quenching and tempering (QT) were measured and

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L. Batalha, Rodolfo, Francisco Feliciano, Angelo Andreoli, Paulo J. Morais, Maria Margarida Cruz, and Guiomar Evans. "Development and Characterization of Fe-based Soft Magnetic Material Produced by PBF-LB." In Euro Powder Metallurgy 2023 Congress & Exhibition. EPMA, 2023. http://dx.doi.org/10.59499/ep235764401.

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Magnetic materials are becoming increasingly important due to the development of renewable energy sources. Soft magnetic components are used in electric machines such as motors, generators, inverters, converters, transformers, and sensors. In this work, we processed Fe-Si-based soft magnetic materials with powder bed fusion-laser beam (PBF-LB), additive manufacturing (AM) technology. The work considered the development of Fe-Si alloys by powder mixture, additive manufacturing of samples, post-processing heat treatments, and the measurement of magnetic properties. The results showed that the th

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Tegeder, Frederik, Sandra Wieland, Julius Eckel, Lea Reineke, and Christoph Broeckmann. "Processing Of Ledeburitic Cold Work Tool Steel A11 Using Metal Binder Jetting." In Euro Powder Metallurgy 2024 Congress & Exhibition. EPMA, 2024. http://dx.doi.org/10.59499/ep246281685.

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Additive manufacturing offers numerous possibilities for toolmaking, such as the integration of internal cooling structures. Another important aspect is minimizing the necessary post-processing steps through near-net shape manufacturing, which allows for significant cost savings, particularly with hard-to-machine carbide-rich tool steels. Previous research projects have examined processing using laser-based methods (PBF-LB/M). Due to locally high cooling rates and associated residual stresses, cracks often occur in high-strength tool steels.\n In this study, the cold work steel AISI A11 X245VC

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Thomas, Marc, Eric Charkaluk, Denis Solas, et al. "L-PBF And DED Processing Of A Ni-based Superalloy." In World Powder Metallurgy 2022 Congress & Exhibition. EPMA, 2022. http://dx.doi.org/10.59499/wp225371806.

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Different AM technologies such as PBF-LB and DED do become really attractive for both repair and 3D part manufacturing. In particular, extensive work is in progress for the non weldable nickel-based superalloys which tend to exhibit cracks due to residual stresses build-up during AM thermal cycles. Within the framework of the project FAPS conducted at Paris-Saclay, the present investigation will highlight the processing conditions and build-up strategy that produce crack-free specimens for alloy AD730. The latter was developed by Aubert&Duval for cast+wrought gas turbine applications. In t

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Beamer, Chad, Derek Denlinger, Suraj Rao, and Christina Dinh. "High Pressure Heat Treatment for L-PBF Hastelloy X." In HT2021. ASM International, 2021. http://dx.doi.org/10.31399/asm.cp.ht2021p0044.

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Abstract Hastelloy X is used in turbomachinery and petrochemical applications as it is designed for excellent oxidation and stress corrosion cracking resistance, strength, and stress rupture behavior. This alloy is now being printed via powder bed fusion processes as many industries have developed interests in the benefits additive manufacturing (AM) offers. However asprinted Hastelloy X suffers from material defect formation such as hot cracking. Hot isostatic pressing (HIP) is often applied to improve performance and reliability. Although the conventional HIP process has been shown to elimin

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Brabie, Liviu, Sofia Kazi, Annika Strondl, et al. "Recycling Of 316 L Powder And Scrap From Additive Manufacturing Processing." In Euro Powder Metallurgy 2024 Congress & Exhibition. EPMA, 2024. http://dx.doi.org/10.59499/ep246277177.

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This study focuses on advancing the sustainability of powder-based metal additive manufacturing (AM), with focus on powder bed fusion – laser beam (PBF-LB). As a result of numerous reuse cycles during PBF-LB, powder degradation occurs due to the spatter accumulation and hence increase in bulk oxygen content. Hence, heavily reused 316L powder and scrap material from PBF-LB processing (support structures, failed components, etc.) were re-melted into ingots. High-pressure gas atomization trials for 316L material were performed at Swerim AB. The powder produced was classified to PBF-LB size fracti

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Agarwal, Neha, Muhannad Ahmed Obeidi, Dermot Brabazon, Karim Asal, Andrea Faraoni, and Annalisa Pola. "Effect of Solution Heat Treatment of Nitinol (Ni55%-Ti45%) Manufactured via L-PBF." In SMST 2024. ASM International, 2024. http://dx.doi.org/10.31399/asm.cp.smst2024p0003.

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Abstract The properties of nitinol, an alloy of nickel and titanium, include its good biocompatibility, corrosion resistance, damping capacity, fatigue strength, superelasticity, and shape memory characteristics. With other conventional methods, it has been challenging to achieve high precision and accuracy of the produced parts; however, laser powder bed fusion (L-PBF) has provided a useful new route for the processing of nitinol. While L-PBF offers many advantages, it also has drawbacks, including the potential for the formation of different phases and residual stress during rapid solidifica

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Batalha, Rodolfo, André Carvalho, Piter Gargarella, Ana Cabral, Paulo Morais, and Guiomar Evans. "Laser-Powder Bed Fusion Of Ti-Based Alloys For Biomedical Applications." In Euro Powder Metallurgy 2023 Congress & Exhibition. EPMA, 2023. http://dx.doi.org/10.59499/ep235765159.

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The focus of this work is to process new biocompatible Ti alloys solely constituted of non-toxic elements by laser-powder bed fusion (L-PBF), a metal additive manufacturing (AM) technology. The main L-PBF processing parameters such as laser power and scanning speed were defined to obtain highly dense samples. The effects of the addition of ceramic particles and the influence of the scanning strategy on the microstructure of the Ti-based alloys were investigated, showing the possibility for in-situ tailoring the material properties in the L-PBF process. Finally, some prototypes were manufacture

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Megahed, Sandra, Erina Okabe, Karl Michael Kraemer, Christian Kontermann, Christoph Heinze, and Matthias Oechsner. "Creep Properties of Nickel Alloys - Comparison Between Conventional and Laser Powder Bed Fusion Manufacturing Routes." In ASME Turbo Expo 2024: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/gt2024-128767.

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Abstract PBF-LB/M (Metal Laser Powder Bed Fusion) is a commonly used additive manufacturing process for gas turbine parts. This manufacturing method allows for small quantity batches with complex part designs. The mechanical behavior of PBF-LB/M components is strongly influenced by manufacturing process parameters, such as component geometry, build orientation and post-processing steps. However, these complex correlations are not completely understood — especially not for high temperature applications. The number of publicly available publications on creep properties of nickel-based alloys is

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