Relevant bibliographies by topics / Fe Nanopowders

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Fe Nanopowders'

Author: Grafiati
Published: 4 June 2021
Last updated: 7 September 2023

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Journal articles on the topic "Fe Nanopowders"

1

Choi, Chul Jin, and Ji Hun Yu. "Preparation and Sintering Behavior of Fe Nanopowders Produced by Plasma Arc Discharge Process." Materials Science Forum 534-536 (January 2007): 585–88. http://dx.doi.org/10.4028/www.scientific.net/msf.534-536.585.

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The nano-sized Fe powders were prepared by plasma arc discharge (PAD) process using pure Fe rod. The microstructure of the prepared nanopowders was evaluated and the effect of hydrogen gas in the chamber atmosphere was investigated. In addition, the sintering behavior of nanosized Fe powders was analyzed and compared with those of conventional micron powders. The prepared Fe nanopowders had nearly spherical shapes and consisted of metallic core and oxide shell structures. In PAD nanopowder sintering, the higher volume shrinkage at low sintering temperature was observed due to the reduction of
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Choi, C. J., J. H. Yu, and Jung Goo Lee. "Characterization and Sintering Behaviors of Fe Based Nanopowders Prepared by Arc Discharge Process." Materials Science Forum 638-642 (January 2010): 1755–59. http://dx.doi.org/10.4028/www.scientific.net/msf.638-642.1755.

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The formation of Fe nanopowders by Plasma Arc discharge process and sintering behavior of Fe nanopowder has been investigated. The effect of processing parameters on the size and microstructure and their pressureless sintering behaviors have been analyzed. Also the addition effect of micron powder to nanopowder on the compaction and sintering was studied. The prepared Fe nanpowder showed nearly spherical shape with the average size of 100 nm. The surface oxide layer of nanopowder played an important role on the initial densification of the green compact. The hardness and sintered density of na
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Bardakhanov, Sergey P., Aleksandr M. Volodin, Konstantin V. Zobov, Roman M. Kenzhin, and Vladimir I. Lysenko. "Research on Alumina and Other Nanopowders by Electron Paramagnetic Resonance Method." Siberian Journal of Physics 5, no. 1 (2010): 97–101. http://dx.doi.org/10.54362/1818-7919-2010-5-1-97-101.

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The paper is devoted to experimental study of alumina and other nanopowders by electron paramagnetic resonance method. The experiments have showed the surface donor centers for ZrO2 + MgO (9 % mol.) and Al2O3 samples. The influence of Fe(3+) dirt was determined in glacial Al2O3 liquid melt, but Al2O3 nanopowder was free from this impurity. The Cr(5+) dirt were found in ZrO2 + MgO (9 % mol.) nanopowder sample.
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Chen, Shan-Jun, Yan Chen, Song Li, et al. "Bulk Synthesis of Fe3Al Intermetallic Compound Nanoparticles by Flow-Levitation Method." Nano 10, no. 01 (2015): 1550002. http://dx.doi.org/10.1142/s1793292015500022.

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Metallic nanopowders have an increasing application in magnetic materials, catalysts and chemical and metallic industries. In this research, a novel bulk synthesis method for preparing high pure intermetallic Fe 3 Al nanoparticles was developed by flow-levitation (FL) method. The Fe and Al vapors ascending from the high-temperature levitated droplet were condensed by cryogenic argon gas under atmospheric pressure. X-ray diffraction (XRD) and selected-area electron diffraction (SAED) were used to identify and characterize the prepared nanopowders exhibiting a Fe 3 Al phase. Measurement of trans
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Choi, Chul Jin, Jin Chun Kim, Ji Hun Yu, and Byoung Kee Kim. "Characterization of Fe Based Nanopowders Synthesized by Gas Phase Synthesis." Materials Science Forum 475-479 (January 2005): 3547–50. http://dx.doi.org/10.4028/www.scientific.net/msf.475-479.3547.

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Nanosized Fe based powders have been synthesized by both chemical vapor condensation (CVC) and plasma arc discharge (PAD) processes. Fe, Fe-C and Fe-N nanopowders were successfully synthesized. The influence of experimental parameters on microstructures and phase composition of nanopowders was investigated. The prepared powders were nearly spherical in shape and core-shell type in structure. Various kinds of Fe-C and Fe-N composite nanopowders could be synthesized by controlling the carrier gas and precursor decomposition temperature, etc.
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Lysenko, Vladimir. "Different-Oxides Nanoceramics Microhardness." International Journal of Nanoscience 13, no. 04 (2014): 1440003. http://dx.doi.org/10.1142/s0219581x14400031.

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With help of the method of the spark plasma sintering (SPS), the fine-grained (of micron approximately) ceramics based on various alumina nanopowders had created. A comparison of microhardness of ceramic samples obtained from 11 alumina nanopowders and 2 their composites was held. Microhardness of the ceramics obtained both by SPS, and by the traditional method (at successive pressing and sintering) is compared. The dependence of ceramics microhardness on the phase composition of the initial nanopowder and the average size of its particles was investigated. Besides alumina nanopowders ( Al 2 O
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Xu, Jia Huan, Hua Ke, De Chang Jia, Wen Wang, and Yu Zhou. "Preparation of BiFeO3 Nanopowders Using Acetylacetone as Stabilizer." Key Engineering Materials 434-435 (March 2010): 314–17. http://dx.doi.org/10.4028/www.scientific.net/kem.434-435.314.

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The present investigation reports on the preparation of BiFeO3 nanopowders by a sol-gel method using acetylacetone as a stabilizer. Single-phase BiFeO3 nanopowders without any impurity or amorphous phases were obtained when the precursor was thermal treated at temperatures as low as 400 oC for 2 h. Acetylacetone (acac) plays an important role on lowering the formation temperature of pure phase BiFeO3 nanopowders. It is found that Bi/acac molar ratio of 1/30 was favorable for a stable sol and for the lowest crystallization temperature of pure BiFeO3 nanopowders. X-ray diffraction and Fourier tr
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Wu, Jun Hua, Ling Bing Kong, and Young Keun Kim. "Structural and Microwave Properties of Fe-Based Nanopowders via Mechanochemical Synthesis." Solid State Phenomena 124-126 (June 2007): 851–54. http://dx.doi.org/10.4028/www.scientific.net/ssp.124-126.851.

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Structural and microwave properties of Fe-based nanoalloy powders, mechanochemically synthesized with a composition corresponding to Finemet (Fe73.5Si13.5B9Nb3Cu1), were investigated. The nanopowders, dominated by bcc-Fe (Si), consist of nanocrystallites and display high magnetization with low-coercivity. The microwave measurements show that the nanocomposites comprising the nanopowders possess high, broadband magnetic permeability.
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Abdurakhmonov, O. E., M. E. Alisultanov, and E. V. Yurtov. "Chemical synthesis of nanostructured magnetic hardened alloy of the Nd-Fe-B system." Transaction Kola Science Centre 12, no. 2-2021 (2021): 11–13. http://dx.doi.org/10.37614/2307-5252.2021.2.5.001.

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Hard magnetic nanopowders of the Nd15Fe78B7 alloy were synthesized from mixtures of Nd, Fe and Fe-B oxides with CaH2 in a hydrogen atmosphere at 800 °C by a reduction-diffusion process. Nd, Fe, Fe-B oxides were synthesized by chemical deposition. The resulting particles had a granular shape with an average size: Nd2O3 — 50 nm, Fe2O3 — 95 nm, Fe3BO6 — 57 nm. The particle size of the Nd15Fe78B7 alloy was 45–140 nm. It is shown that the proposed method is suitable for obtaining nanopowders of hard magnetic alloys of the Nd-Fe-B system.
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Demirov, A. P., I. V. Blinkov, D. V. Kuznetsov, K. V. Kuskov, E. A. Kolesnikov та A. S. Sedegov. "Production of α-Fe <sub>2</sub>O <sub>3</sub> powder material with multilevel gradient porosity". Izvestiya vuzov. Poroshkovaya metallurgiya i funktsional’nye pokrytiya, № 2 (23 вересня 2021): 49–59. http://dx.doi.org/10.17073/1997-308x-2021-2-49-59.

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The paper studies methods for obtaining a multilevel gradient porous material by the layer-by-layer sintering of distributed α-Fe2O3 nanopowders and submicron powders. Nanopowders with an average particle size of 12 nm were obtained by the coprecipitation method, and submicron powders, which are hollow spheres, were obtained using the spray pyrolysis method. Powders were consolidated by sintering in a muffle furnace, hot pressing, and spark plasma sintering (SPS) at various temperatures, loads, and holding times. It was shown that muffle furnace sintering and hot pressing methods cannot provid
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Dissertations / Theses on the topic "Fe Nanopowders"

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Sivaprahasam, D. "Studies On Synthesizing Fe And Fe-Cu Nanopowders By Levitational Gas Condensation Process And Their Consolidation Characteristics." Thesis, 2011. https://etd.iisc.ac.in/handle/2005/2438.

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There exist large number of techniques for the preparation of nanostructured materials. Among them the preparation of nanopowders by gas/vapour condensation is a popular one. Because of very high level of surface to volume ratio, powders of metals which may or may not be reactive in the bulk form undergo vigorous oxidation. Oxidation once initiated continues in an auto catalytic fashion leading to a rise in temperature further increasing the oxidation rate. Therefore, the nanopowders are consolidated in situ under high vacuum. Alternatively a thin passivating oxide layer of few nm can be produ
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Sivaprahasam, D. "Studies On Synthesizing Fe And Fe-Cu Nanopowders By Levitational Gas Condensation Process And Their Consolidation Characteristics." Thesis, 2011. http://hdl.handle.net/2005/2438.

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There exist large number of techniques for the preparation of nanostructured materials. Among them the preparation of nanopowders by gas/vapour condensation is a popular one. Because of very high level of surface to volume ratio, powders of metals which may or may not be reactive in the bulk form undergo vigorous oxidation. Oxidation once initiated continues in an auto catalytic fashion leading to a rise in temperature further increasing the oxidation rate. Therefore, the nanopowders are consolidated in situ under high vacuum. Alternatively a thin passivating oxide layer of few nm can be produ
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Book chapters on the topic "Fe Nanopowders"

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Choi, Chul Jin, Jin Chun Kim, Ji Hun Yu, and Byoung Kee Kim. "Characterization of Fe Based Nanopowders Synthesized by Gas Phase Synthesis." In Materials Science Forum. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-960-1.3547.

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Wu, Jun Hua, Ling Bing Kong, and Young Keun Kim. "Structural and Microwave Properties of Fe-Based Nanopowders via Mechanochemical Synthesis." In Solid State Phenomena. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/3-908451-31-0.851.

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Choi, Chul Jin, and Ji Hun Yu. "Preparation and Sintering Behavior of Fe Nanopowders Produced by Plasma Arc Discharge Process." In Progress in Powder Metallurgy. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-419-7.585.

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Wang, Qi, Yun Fa Chen, Min Yang, Xiao Feng Wu, and Ya Jun Tian. "Synthesis of Low Agglomerating Spherical α-Fe2O3 Nanopowders." In High-Performance Ceramics V. Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/0-87849-473-1.1568.

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Sánchez, L. C., J. J. Beltran, J. Osorio, A. M. Calle, and C. A. Barrero. "Fe-doped SnO 2 nanopowders obtained by sol–gel and mechanochemical alloying with and without thermal treatment." In LACAME 2008. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-10764-1_29.

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Li, Qingfeng, Wei Yuan, Desheng Ai, Changsheng Deng, and Xiaming Dai. "Photocatalytic Properties of TiO2 and Fe(III)-, Z(II)- and Si(IV)- Doped TiO2 Nanopowders Synthesized by Sol-Gel." In Ceramic Transactions Series. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118144107.ch18.

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David, B., M. Vondráček, O. Schneeweiss, P. Bezdička, R. Alexandrescu, and I. Morjan. "Phase Analysis of the Fe-C Nanopowder Prepared by Laser Pyrolysis." In Material Research in Atomic Scale by Mössbauer Spectroscopy. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0151-9_4.

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David, B., N. Pizúrová, O. Schneeweiss, et al. "Annealing Behaviour of Fe-C-N Nanopowder: Formation of Iron/Graphite Core-Shell Structured Nanoparticles." In Materials Science Forum. Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-964-4.187.

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Conference papers on the topic "Fe Nanopowders"

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Neri, G., A. Bonavita, G. Micali та ін. "RESISTIVE λ-SENSORS BASED ON Fe-SrTiO3 NANOPOWDERS". У Proceedings of the 12th Italian Conference. WORLD SCIENTIFIC, 2008. http://dx.doi.org/10.1142/9789812833594_0027.

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Lozhkomoev, A. S., S. O. Kazantsev, and A. V. Pervikov. "Hydrothermal synthesis of nanostructured composites from Al/Zn, Al/Cu, and Al/Fe bicomponent nanopowders." In PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON PHYSICAL MESOMECHANICS. MATERIALS WITH MULTILEVEL HIERARCHICAL STRUCTURE AND INTELLIGENT MANUFACTURING TECHNOLOGY. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0034316.

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Gitzhofer, F., D. Bouchard, L. Sun, and G. Brisard. "Synthesis and Characterization of Nano-Size La0.8Sr0.2MO3-d Cathode Materials by Induction Plasma." In ITSC2005, edited by E. Lugscheider. Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH, 2005. http://dx.doi.org/10.31399/asm.cp.itsc2005p1449.

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Abstract The synthesis of nanoscale particles has received considerable attention because of the potential for new materials and unique properties. The novel properties and the numerous applications of nanophase materials, especially ceramic nanopowders, have attracted many scientists and engineers to invent and explore the preparation methods of ceramic nanoparticles. Induction plasma is used to synthesize cathode materials for fuel cells. Solid oxide fuel cells (SOFCs) are very promising energy conversion systems. SOFCs are based on an oxide-ion conducting electrolyte and they offer a clean,
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D. HUSSEIN, Amel, and Ali Muhsen ALI. "GROWTH POWDER AND SEED LAYERS ZnO ON FOIL ALUMINUM USING HYDROTHERMAL METHOD." In VII. INTERNATIONAL SCIENTIFIC CONGRESSOF PURE,APPLIEDANDTECHNOLOGICAL SCIENCES. Rimar Academy, 2023. http://dx.doi.org/10.47832/minarcongress7-15.

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Nanopowder and thick seed layers of Zinc Oxide (ZnO) are grown on foil aluminum in size (2x3 cm) by a simple hydrothermal process that is structured as nanotubes. Where the thick seed layer ZnO covers the substrate in a dense and homogeneous texture arranged in vertically aligned nanostructures that differ from powder ZnO via in non-uniformly distributed in addition to randomly oriented. The complete were prepared at 95°C, for 4:30 hours, with a concentration of 0.05 M. Field scanning electron microscope (FE-SEM) and Scanning electron microscope (SEM) were used to characterize their morphologi
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Wiendartun, Dani Gustaman Syarif, Mikrajuddin Abdullah, and Khairurrijal. "Electrical Characteristics CuFe[sub 2]O[sub 4] Thick Film Ceramics Made with Different Screen Size Utiizing Fe[sub 2]O[sub 3] Nanopowder Derived from Yarosite for NTC Thermistor." In THE THIRD NANOSCIENCE AND NANOTECHNOLOGY SYMPOSIUM 2010 (NNSB2010). AIP, 2010. http://dx.doi.org/10.1063/1.3515571.

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