Gotowe bibliografie tematyczne / Bismuth powder

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Gotowa bibliografia na temat „Bismuth powder”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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Artykuły w czasopismach na temat "Bismuth powder"

Chen, Chin Yi, Jui Chung Weng, Jing Heng Chen, et al. "Preparation of Spray Pyrolyzed Bismuth Oxide and its Application in Inhibition of Ultraviolet from Light-Emitting Diode (LED)." Advanced Materials Research 509 (April 2012): 147–49. http://dx.doi.org/10.4028/www.scientific.net/amr.509.147.

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In the present study, bismuth oxide (Bi2O3) powders were prepared from bismuth nitrate at various temperatures by spray pyrolysis (SP). The Bi2O3 powder can convert from a monoclinic α phase to a tetragonal β phase at a pyrolysis temperature of > 600° C. The crystallinity of the SP powder increased with the increase of pyrolysis temperature. The resulting SP powders were then mixed with organics and screen-printed onto the surface of LED for the evaluation of ultraviolet (UV) inhibition. The β-type bismuth oxide powder pyrolyzed at 700°C exhibited a fine crystal structure. This caused the e

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Wang, En Guo, and Mei Xiang Huo. "The Photocatalytic Behavior of Bismuth Titanate Powders Prepared by the Citric-Combustion Method." Advanced Materials Research 726-731 (August 2013): 483–86. http://dx.doi.org/10.4028/www.scientific.net/amr.726-731.483.

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Bismuth titanate powders have been prepared by the citric-combustion method using bismuth nitrate and tetrabutyl titanate as the starting materials, and the effect of sintering temperature and the ratio of bismuth to titanium on their structure and photocatalytic activity was studied. The powders were characterized by X-ray diffractometry (XRD) and scanning electron microscopy (SEM). The photocatalytic properties of the samples were probed by using the methyl blue as simulated contaminants. The results showed that bismuth titanate powder prepared at 873K has the best photocatalytic activity.

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Knight, Kevin S. "The crystal structure of russellite; a re-determination using neutron powder diffraction of synthetic Bi2WO6." Mineralogical Magazine 56, no. 384 (1992): 399–409. http://dx.doi.org/10.1180/minmag.1992.056.384.13.

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AbstractThe crystal structure of the displacive ferroelectric mineral russellite, Bi2WO6, has been determined using Rietveld profile refinement of high-resolution, time of flight, neutron powder diffraction data on the synthetic compound. Russellite is orthorhombic, Pca21, with a 5.43726(2) Å, b 16.43018(5) Å, c 5.458422) Å, Z = 4 and is isostructural with the bismuth molybdate mineral koechlinite, Bi2MoO6. The structure consists of layers of tilted WO6 octahedra sandwiched between layers of bismuth and oxygen with the tungsten displaced from the centre of the octahedron by 0.278 Å. The orient

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Jaiban, Panupong, Ampika Rachakom, Suwapitcha Buntham, Sukanda Jiansirisomboon, and Anucha Watcharapasorn. "Fabrication of Bi_0.5Na_0.5ZrO₃ Powder by Mixed Oxide Method." Materials Science Forum 695 (July 2011): 49–52. http://dx.doi.org/10.4028/www.scientific.net/msf.695.49.

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Lead-free bismuth sodium zirconate powder with formula Na0.5Bi0.5ZrO3 was prepared by conventional mixed oxide method. Bismuth sodium zirconate (BNZ) powder with 10wt%Na2CO3 was calcined at 800 °C for 2 h dwell time. Investigation of the effects of re-calcination and dwell time on phase formation of powders was also carried out. The results revealed that re-calcination significantly affected the formation of single-phase BNZ powder. Phase characteristics were checked by X-ray diffraction (XRD). Powder Cell software was employed to simulate crystal structure of BNZ powder. It was found that BNZ

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Pookmanee, Pusit, Sumintra Paosorn, and Sukon Phanichphant. "Chemical Synthesis and Characterization of Bismuth Vanadate Powder." Advanced Materials Research 93-94 (January 2010): 153–56. http://dx.doi.org/10.4028/www.scientific.net/amr.93-94.153.

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Bismuth vanadate powder was synthesized by a chemical co-precipitation method. Bismuth nitrate and ammonium vanadate were used as the starting precursors. The yellow precipitated powder was formed after adding ammonium hydroxide until the pH of final solution was 7. The powder was filtered and dried at 60 °C for 24h and calcined at 200-400 °C for 2h. The phase of bismuth vanadate powder was studied by X-ray diffraction (XRD). A single phase of monoclinic structure was obtained after calcinations at 200-400 °C for 2h. The morphology and particle size of bismuth vanadate powder were investigated

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Pookmanee, Pusit, Kanlaya Pingmuang, Wiyong Kangwansupamonkon, and Sukon Phanichphant. "Methylene Blue Degradation over Photocatalyst Bismuth Vanadate Powder Synthesized by the Hydrothermal Method." Advanced Materials Research 93-94 (January 2010): 177–80. http://dx.doi.org/10.4028/www.scientific.net/amr.93-94.177.

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Bismuth vanadate powder was synthesized by the hydrothermal method with bismuth nitrate and ammonium vanadate as the starting precursors with the mole ratio of bismuth and vanadium of 1:1. The mixed solution was adjusted with ammonium hydroxide until the pH of final solution was 7 and hydrothermally treated at 100 °C for 2-6h. The phase was studied by X-ray diffraction (XRD). Monoclinic structure was obtained after hydrothermal treated at 100 °C for 6h without calcination step. The morphology was investigated by scanning electron microscopy (SEM). The particle was needle-like in shape and high

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Patel, Ishverbhai, and Sneha Solanki. "XRD Studies of Synthesized Bi2S3Crystalline Materials." Acta Crystallographica Section A Foundations and Advances 70, a1 (2014): C508. http://dx.doi.org/10.1107/s2053273314094911.

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Bismuth sulfide preparation and its x-ray diffraction studies are reported in this paper. The author have synthesized Bi2Sx (x = 3.15, 3.45) compound material with different sulfur content by conventional high temperature solid state solvothermal reaction of bismuth and sulfur which conforms that the (121) preferred orientation with crystallite size ~30 nm and splitting of peaks due to orthorhombic structure matches well with the standard data and demonstrate good crystalline quality and structural homogeneity of synthesized powder.This paper also describes the synthesis and x-ray diffraction

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Pookmanee, Pusit, Prakasit Intaphong, and Sukon Phanichphant. "The Characterization of Bismuth Vanadate Powder Synthesized by a Modified Microwave Method." Advanced Materials Research 1103 (May 2015): 85–90. http://dx.doi.org/10.4028/www.scientific.net/amr.1103.85.

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Bismuth vanadate (BiVO4) powder was synthesized by a modified microwave method. Bismuth nitrate pentahydrate, ammonium metavanadate and 2-propanol were used as the starting precursors. The final pH of solution was adjusted to 7 and irradiation power at 600 Watt for 2 and 6 min. The yellow powder was filtered and dried at 100 °C for 24h. The phase of BiVO4 powder was characterized by X-ray diffractometer (XRD). Multi-phase of monoclinic and tetragonal phase was obtained without calcination step. The morphology of BiVO4 powder was investigated by scanning electron microscope (SEM). The BiVO4 pow

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Phanmalee, Jitreephan, Prakasit Intaphong, Wiyong Kangwansupamonkon, Sukon Phanichphant, and Pusit Pookmanee. "The Photocatalytic Degradation of Methylene Blue Using Bismuth Vanadate (Bi₂VO_5.5) Powder." Key Engineering Materials 751 (August 2017): 707–12. http://dx.doi.org/10.4028/www.scientific.net/kem.751.707.

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Bismuth vanadate (Bi2VO5.5) powder has been successfully prepared by microwave method. Bismuth nitrate and ammonium vanadate were used as the starting precursors with the mole ratio of 2:1 in 2-propanol. The microwave power was 500 Watt for 2-6 min. The yellow powder was obtained and calcined at 500°C for 2h. The structure was identified by X-ray diffraction (XRD). The morphology was investigated by scanning electron microscopy (SEM). The chemical composition was determined by energy dispersive X-ray spectrometry (EDXS). The functional groups were investigated by fourier transform infrared spe

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Chen, May-Show, Hsiu-Na Lin, Yu-Chun Cheng, et al. "Effects of Milling Time, Zirconia Addition, and Storage Environment on the Radiopacity Performance of Mechanically Milled Bi2O3/ZrO2 Composite Powders." Materials 13, no. 3 (2020): 563. http://dx.doi.org/10.3390/ma13030563.

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Mineral trioxide aggregate (MTA) typically consists of Portland cement (75 wt.%), bismuth oxide (20 wt.%), and gypsum (5 wt.%) and is commonly used as endodontic cement. Bismuth oxide serving as the radiopacifying material reveals the canal filling effect after clinical treatment. In the present study, bismuth/zirconium oxide composite powder was prepared by high energy ball milling of (Bi2O3)100−x (ZrO2)x (x = 5, 10, 15, and 20 wt.%) powder mixture and used as the radiopacifiers within MTA. The crystalline phases of the as-milled powders were examined by the X-ray diffraction technique. The r

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Rozprawy doktorskie na temat "Bismuth powder"

Kim, Hyungchan. "Low temperature sintering of nanosized ceramic powder YSZ-bismuth oxide system /." Connect to this title online, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1092765117.

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Thesis (Ph. D.)--Ohio State University, 2004.<br>Title from first page of PDF file. Document formatted into pages; contains xxvi, 249 p.; also includes graphics (some col.). Includes bibliographical references (p. 241-249).

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Pierrat, Patrick. "Élaboration de poudres thermoélectriques du type Bi-Sb-Te par mécanosynthèse : mise en forme et caractérisation." Vandoeuvre-les-Nancy, INPL, 1994. http://www.theses.fr/1994INPL147N.

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Le laboratoire étant spécialisé dans l'élaboration de monocristaux de matériaux thermoélectriques du type Bi-Sb-Te, nous avons envisagé la mécanosynthèse comme une méthode simple et peu couteuse. Á partir des éléments purs Bi, Sb et Te les composés binaires Bi2Te3 et Sb2Te3 ont été élaborés. La cinétique de formation de ces composés a été suivie. Puis nous avons envisagé l'élaboration du composé ternaire Bi8Sb32Te60 correspondant à la meilleure composition (figure de mérite maximale) pour les monocristaux de type P. Deux voies d'élaboration ont été envisagées: soit à partir des éléments purs B

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Martin, Lopez Rocío. "Alliages semiconducteurs Bi-Sb élaborés par mécanosynthèse : mise en forme et caractérisation thermoélectrique." Vandoeuvre-les-Nancy, INPL, 1997. http://www.theses.fr/1997INPL051N.

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Les solutions solides Bi1-x Sbx monocristallines sont les meilleurs matériaux thermoélectriques pour la réfrigération à basses températures. Néanmoins leur structure lamellaire induit une forte aptitude au clivage qui réduit les propriétés mécaniques des alliages. Leur utilisation sous forme polycristalline permet d'améliorer ce défaut. Au cours de ce travail, nous avons choisi la mécanosynthèse parmi les différentes techniques de métallurgie de poudres pour élaborer des polycristaux homogènes en un temps raisonnable. Nous avons réalisé des alliages riches en bismuth avec x = 7, 10, 12, 15 et

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Banerjee, D., P. Dhara, K. Chatterjee, K. Kargupta, and S. Ganguly. "Thermoelectric Characterization of Nanostructures of Bismuth Prepared by Solvothermal Approach." Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/35251.

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Nanostructured thermoelectric materials being an emerging area of research bismuth (Bi) nanostructures have been developed by solvothermal approach with a change of solvent. Structural characterization revealed that nanorods and nanospheres like structures were generated in the process when the solvent used were only ethylene glycol (EG) and ethylene glycol with absolute ethanol (AE) in the ratio of 1:1 respectively. Electrical properties viz. conductivity (σ) and thermoelectric power(S) have been measured in the temperature range 300K to 400K. From the observed value of σ and S power fac

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Smith, Thomas. "Studies of p-type semiconductor photoelectrodes for tandem solar cells." Thesis, Loughborough University, 2014. https://dspace.lboro.ac.uk/2134/14522.

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Photoelectrodes and photovoltaic devices have been prepared via multiple thin film deposition methods. Aerosol assisted chemical vapour deposition (AACVD), electrodeposition (ED), chemical bath deposition (CBD) and doctor blade technique (DB) have been used to deposit binary and ternary metal oxide films on FTO glass substrates. The prepared thin films were characterised by a combination of SEM (Scanning Electron Microscopy), powder X-ray diffraction, mechanical strength tests and photochemical measurements. Nickel oxide (NiO) thin films prepared by AACVD were determined to have good mechanica

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Kalita, Mridu P. "Development of bismuth doped silica fibres for high power sources & long wavelength generation from ytterbium doped fibre lasers." Thesis, University of Southampton, 2010. https://eprints.soton.ac.uk/185965/.

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A detailed study of fabrication and characterisation of bismuth (Bi) doped silica optical fibre has been investigated. Three different fibre fabrication techniques were applied to study the possible influence on Bi-luminescence: modified chemical vapour deposition (MCVD) and the solution doping technique, MCVD chemicalin- crucible deposition technique and the powder-in-tube (PIT) technique. Spectroscopic absorption and Bi luminescence and fluorescence decay properties under different pumping wavelengths and with different host glass compositions are presented and provide important information

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Vacinova, Jitka. "Etudes structurales des oxydes de platine par les méthodes de diffusion anomale et de D. A. F. S." Université Joseph Fourier (Grenoble), 1995. http://www.theses.fr/1995GRE10185.

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Nous avons entrepris les etudes structurales de deux systemes d'oxydes de platine: ba/pt/o et bi/pb/pt/o par diffraction electronique et par diffraction des rayons x. Nous avons developpe les techniques experimentales de diffraction anomalous fine structure (dafs) et de diffraction anomale afin de les appliquer aux etudes de materiaux sous forme de monocristaux ou sous forme de poudres. Pour les mesures de dafs nous avons propose deux procedures experimentales differentes: le mode de diffraction multi-monochromatique et le mode de diffraction dispersive. L'information selective des diffuseurs

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Hareland, Mathias. "CONQUER CORROSION : Key issues of the lead-cooled fast reactor design." Thesis, Uppsala universitet, Tillämpad kärnfysik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-149755.

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The lead-cooled fast reactor (LFR) is one of the concepts of the Generation IV reactorsystems. There are some issues that have to be solved before a research orcommercial LFR can be built. The objective of this thesis was to identify these keyissues and analyse them by studying results from previous research: choice of fuel,corrosion on structural materials and corrosion/erosion on pumps.The major fuel candidates for the LFR are MOX fuel (Mixed OXide fuel), metallic fuel,nitride fuel and carbide fuel. Nitride fuel has desirable properties but its production ismore difficult than for MOX fuel.M

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Savelli, Guillaume. "Etude et développement de composants thermoélectriques à base de couches minces." Phd thesis, Université Joseph Fourier (Grenoble), 2007. http://tel.archives-ouvertes.fr/tel-00257433.

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La thermoélectricité est une science remise au goût du jour depuis quelques années en tant que source de récupération d'énergie. Dans cette optique, l'étude et la conception de dispositifs thermoélectriques à base de films minces se justifient parfaitement : en effet, les faibles dimensions de ces modules, de l'ordre du cm2, permettent leur intégration et leur utilisation dans des domaines nombreux et variés, tels l'industrie automobile, l'environnement du corps humain, l'alimentation de capteurs sans fil... Ainsi, ces travaux ont permis la réalisation et la caractérisation de plusieurs module

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Jarchovský, Petr. "Výpočetní simulace urychlovačem řízeného jaderného reaktoru pro transmutaci vyhořelého jaderného paliva." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-221209.

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This master’s thesis deals with usage of burn-up (spent) nuclear fuel in nuclear power plants of next generation – accelerator driven transmutation plants which is produced in current nuclear power plants. This system could significantly reduce the volume of dangerous long-lived radioisotopes and moreover they would be able to take advantage of its great energy potential due to fast neutron spectrum. In the introduction are listed basic knowledge and aspects of spent nuclear fuel along with its reprocessing and the possibility of further use while minimizing environmental impact. As another po

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Książki na temat "Bismuth powder"

Measurement of Thermoelectric Power in the Temperature Range of 80K to 230K for Germanium, Lead Telluride, and Bismuth Telluride. Creative Media Partners, LLC, 2021.

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Power Reactors and Sub-Critical Blanket Systems with Lead and Lead-Bismuth as Coolant And/Or Target Material (IAEA-Tecdoc Series). International Atomic Energy Agency, 2003.

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Części książek na temat "Bismuth powder"

Ren, Wei, Xue Quan Liu, Xiao Lin Wang, and Hong Yi Jiang. "Thermoelectric Properties of Bismuth Telluride Based Materials Prepared by Powder Metallurgy Processing." In Key Engineering Materials. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-410-3.864.

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Pookmanee, Pusit, and Sukon Phanichphant. "Characterization of Bismuth Titanate Powders." In Advanced Materials Research. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-463-4.247.

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Pyeon, Cheol Ho. "Neutronics of Lead and Bismuth." In Accelerator-Driven System at Kyoto University Critical Assembly. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0344-0_7.

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AbstractCross-section uncertainties of Pb and Bi isotopes could consequently affect the precision of nuclear design calculations of preliminary analyses, before the actual operation of upcoming ADS, since Pb and Bi are composed partly of coolant material (lead-bismuth eutectic: LBE) in ADS facilities. The main characteristics of LBE in ADS are recognized as follows: chemically inactive; high boiling point mechanically; excellent neutron economy caused by large scattering cross sections. From the viewpoint of neutronics, LBE exerts considerable impact on nuclear design parameters for numerical

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Slamovich, E. B., H. Xu, S. Mallick, H. Y. Li, K. J. Bowman, and W. F. Shelley. "Hydrothermal Synthesis and Properties of Sodium-Doped Bismuth Titanate Powders." In Ceramic Transactions Series. John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118408186.ch1.

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Lin, J. J., J. L. Cohn, and C. Uher. "Thermoelectric Power and Coulomb Gap in Inhomogeneous Thin Bismuth Films." In Springer Proceedings in Physics. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73554-7_32.

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"Powder-in-Tube Bi-2223 Ag-Sheathed Tape: Basic Process, Microstructure and Critical Current Density." In Bismuth-Based High-Temperature Superconductors. CRC Press, 1996. http://dx.doi.org/10.1201/9781482273472-18.

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"Anisotropic grain growth of bismuth titanate in molten salt fluxes." In Eleventh European Powder Diffraction Conference. Oldenbourg Wissenschaftsverlag, 2009. http://dx.doi.org/10.1524/9783486992588-075.

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Manilevich, F., Yu Pirskyy, A. Kutsyi, V. Berezovets, and V. Yartys. "Activated aluminum for hydrogen generation from water." In HYDROGEN BASED ENERGY STORAGE: STATUS AND RECENT DEVELOPMENTS. Institute for Problems in Materials Science, 2021. http://dx.doi.org/10.15407/materials2021.081.

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Al-based alloys and mechanochemically activated aluminum powders were prepared in this study, and the regularities of their hydrolysis reaction with water were studied. Aluminum alloys were prepared by melting aluminum with additions of Ga–In–Sn eutectic (5 wt.%), bismuth (3 wt.%), antimony (3 wt.%), or zinc (3 wt.%). The temperature-dependent kinetics of their hydrolysis in a temperature range 25–70 °C was studied by using a volumetric technique. The most efficient activation of the hydrolysis process was achieved for the Al–Ga– In–Sn-Zn alloy, particularly at low temperatures (5 and 25° C).

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"Preparation of Precursor Powders." In Bismuth-Based High-Temperature Superconductors. CRC Press, 1996. http://dx.doi.org/10.1201/9781482273472-12.

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"Coils, Power Leads, Busbars, and Cables." In Bismuth-Based High-Temperature Superconductors. CRC Press, 1996. http://dx.doi.org/10.1201/9781482273472-25.

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Streszczenia konferencji na temat "Bismuth powder"

Pedersen, Lars Thorslund, Claus Weinell, Pascal Verbiest, and Jeroen Van Den Bosch. "Advancements in High Performance Zinc Epoxy Coatings." In CORROSION 2009. NACE International, 2009. https://doi.org/10.5006/c2009-09012.

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Abstract The present work investigates the use of alloyed zinc powders in zinc epoxy and zinc silicate coatings. It is found that small amounts bismuth have a dramatic effect on rust creep resistance while nickel and magnesium was not found to have any effect in the tested range. 0.5% bismuth in the zinc reduces rust creep by up to 80% after cyclic exposure according to ISO20340. With the alloyed zinc it is possible to formulate zinc epoxy coatings with rust creep below 1 mm in the test, thus achieving performance similar to what is know from zinc silicates.

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Oleinik, D. I., A. A. Umnikov, A. N. Abramov, et al. "A graded-index confined bismuth-doped fiber for cladding-pumped E+S-band high-power amplifiers." In 2024 International Conference Laser Optics (ICLO). IEEE, 2024. http://dx.doi.org/10.1109/iclo59702.2024.10624328.

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Okamkpa, Tobechukwu, Joshua Okechukwu, Divine Mbachu, and Chigbo Mgbemene. "Performance Analysis of a Photovoltaic System with Thermoelectric Generator and Phase Change Material: An Experimental Approach." In Africa International Conference on Clean Energy and Energy Storage. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-ak81yk.

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This study explores the integration of thermoelectric generators (TEGs) and phase change materials (PCMs) to enhance the efficiency of photovoltaic (PV) panels in high-temperature conditions. An AP-PM-20 Polycrystalline PV panel, SP-1848-27145 Bismuth Telluride TEG, and paraffin wax PCM in an aluminum container were used. Four configurations were tested: standalone PV, PV-PCM, PV-TEG-PCM, and PV-PCM-TEG, under identical conditions from 10:30 AM to 6:00 PM at 25-minute intervals. Data on PV and TEG voltage, current, and solar irradiance were collected and analyzed. The results show significant

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Xu, Zhigang, and Jag Sankar. "Liquid-Phase Sintering of ScSZ Electrolytes for Solid Oxide Fuel Cells." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43478.

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Reducing the manufacturing cost is urgently desired to lower the overall cost of solid oxide fuel cells (SOFCs). High energy expense in the sintering of the fuel cell components, especially the stabilized zirconia electrolyte, is one of the major sources for the cost. Reduction of the sintering temperature will save the energy for sintering. In this paper, liquid-phase sintering of scandia-stabilized zirconia (ScSZ) was achieved at lower temperatures by addition of bismuth oxide will be presented. Different fractions bismuth oxide powders ranging from 0 to 8 wt% were added into ScSZ powders. T

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Wolpert, Charline, Frank Gärtner, Maria Villa Vidaller, et al. "Aerosol Spraying of Bismuth Vanadate for Hydrogen Technology." In ITSC2019, edited by F. Azarmi, K. Balani, H. Koivuluoto, et al. ASM International, 2019. http://dx.doi.org/10.31399/asm.cp.itsc2019p0394.

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Abstract Dense, nanostructured bismuth vanadate thin films were successfully deposited by aerosol deposition at room temperature. Aerosol deposition offers an alternative route for fabrication of photoactive metal oxide coatings as no binders or sintering processes are employed. A micron-sized bismuth vanadate powder was used to spray photoactive films (&lt; 1 µm) on conductive fluor-doped tin oxide layers on glass and titanium substrates. The thin films are photocatalytically active under solar light due to the band gap energies of bismuth vanadate, and their nanosized structure increases

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Kartika, Nadya Larasati, Ardita Septiani, Melisa Permata Rosha, et al. "Thermoelectric Properties of Ti Doping in Bismuth Telluride prepared by Powder Metallurgy Process." In 2021 International Conference on Radar, Antenna, Microwave, Electronics, and Telecommunications (ICRAMET). IEEE, 2021. http://dx.doi.org/10.1109/icramet53537.2021.9650468.

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Akbar, Himyan, and Khaled Youssef. "The influence of Carbon Nanotubes on the Thermoelectric Properties of Bismuth Telluride." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0059.

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Thermoelectric materials are devices that have the ability to convert waste heat to electricity. The widespread use of thermoelectric materials is currently limited by the low value their figure-ofmerit (ZT). Bismuth telluride (Bi2Te3) is a promising thermoelectric material in the near room temperature applications that provides a ZT value ~ 1. In order to overcome the limitation of utilizing thermoelectric materials in waste heat recovery, a ZT value > 2 is required. In this current study multi-walled carbon nanotubes (MWCNT) was incorporated into Bi2Te3 bulk matrix system to enhance its m

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Alexander, T., M. Rahman, and R. Asmatulu. "Investigating the Effects of Sodium Chloride Particles on Thermoelectric Properties of Bismuth Telluride." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-72454.

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Cylindrical pellets of near stoichiometric bismuth telluride (Bi2Te3) powder with NaCl particles were made using a cold pressing and pressureless sintering technique. The sodium chloride was leached out from the samples in hot water, resulting in porous samples with varying levels of porosity. The electrical conductivity, Seebeck coefficient, and thermal conductivity were measured at room temperature using a testing apparatus designed and built by the researcher, both before and after the leaching of sodium chloride. From this data, the figure of merit was calculated. Samples of pure bismuth t

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Elsenberg, A., T. Emmler, M. Schieda, F. Gärtner, and T. Klassen. "Aerosol Deposition of BiVO4 Films for Solar Hydrogen Generation." In ITSC2022. DVS Media GmbH, 2022. http://dx.doi.org/10.31399/asm.cp.itsc2022p0056.

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Abstract Due to its suitable semiconductor band gap energies and associated visible light absorption, bismuth vanadate offers high photon efficiencies in solar photo-anodes, enabling green hydrogen generation in photoelectrochemical water splitting cells. Respective bismuth vanadate films have to ensure high efficiencies in electron / hole pair generation, and sufficiently high rates of charge transfer, for both, electrons to the conducting substrate, as well as holes to the electrolyte. Thus, tuning of coating properties has to aim for high phase purity and good layer integrity. So far, respe

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Kurata, Yuji, Hitoshi Yokota, and Tetsuya Suzuki. "Development of Aluminum Alloy Coating for Advanced Nuclear Systems Using Lead Alloys." In ASME 2011 Small Modular Reactors Symposium. ASMEDC, 2011. http://dx.doi.org/10.1115/smr2011-6545.

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Small and medium reactors using lead alloys as coolant are one of the promising reactor concepts with improved safety because of their thermal-physical and chemical properties. This paper focuses on development of Al-alloy coating for nuclear systems using liquid lead-bismuth eutectic (LBE). Since corrosion attack becomes severe against structural steels at high temperatures in liquid LBE, it is necessary to improve corrosion resistance of steels. An Al-alloy coating method using Al, Ti and Fe powders, and laser beam heating has been developed. Main defects formed in an Al-powder-alloy coating

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