Relevant bibliographies by topics / Bimetallo

Academic literature on the topic 'Bimetallo'

Author: Grafiati
Published: 11 March 2023

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Journal articles on the topic "Bimetallo"

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Peberdy, Jemma C., Jaroslav Malina, Syma Khalid, Michael J. Hannon, and Alison Rodger. "Influence of surface shape on DNA binding of bimetallo helicates." Journal of Inorganic Biochemistry 101, no. 11-12 (November 2007): 1937–45. http://dx.doi.org/10.1016/j.jinorgbio.2007.07.005.

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Cui, Weihong, X. Peter Zhang, and Bradford B. Wayland. "Bimetallo-Radical Carbon−Hydrogen Bond Activation of Methanol and Methane." Journal of the American Chemical Society 125, no. 17 (April 2003): 4994–95. http://dx.doi.org/10.1021/ja034494m.

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Hu, Chih-Wei, Takashi Sato, Jian Zhang, Satoshi Moriyama, and Masayoshi Higuchi. "Multi-colour electrochromic properties of Fe/Ru-based bimetallo-supramolecular polymers." Journal of Materials Chemistry C 1, no. 21 (2013): 3408. http://dx.doi.org/10.1039/c3tc30440j.

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Ablyaz, Timur Rizovich, Evgeny Sergeevich Shlykov, Karim Ravilevich Muratov, and Alexander Valentinovich Zhurin. "Study of the EDM Process of Bimetallic Materials Using a Composite Electrode Tool." Materials 15, no. 3 (January 19, 2022): 750. http://dx.doi.org/10.3390/ma15030750.

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New types of profile products make complex use of bimetals. These materials possess a set of properties such as strength, corrosion resistance, thermal conductivity, heat resistance, wear resistance. For the processing of such products, it is advisable to use electrophysical processing methods, one of which is the technology of copy-piercing electrical discharge machining (EDM). Currently, EDM is one of the most common methods for processing products from modern bimetal materials. An urgent task is to study the EDM process of bimetallic materials. The aim of the work was to increase the efficiency and accuracy of the EDM process of bimetallic products using electrode-tools with different physical and mechanical properties. Bimetal—weld coated steel backing, base material—09G2S steel, surfacing material—M1 copper were used. The processing of the bimetallic workpiece was carried out on an Electronica Smart CNC copy-piercing EDM machine. EI used graphite, copper, and composite. A theoretical model was developed that allows calculation of the amount of removal of bimetallic material of steel–copper depending on the EDM modes and the ET (electrode tool) material. During the processing of the steel layer, regardless of the EI material, microcracks were formed along the grain boundaries, and during the processing of the copper layer, enlarged holes resulted.
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Zhiquan Hou, Wenbo Pei, Xing Zhang, Yuxi Liu, Jiguang Deng, and Hongxing Dai. "Oxidative Removal of Volatile Organic Compounds over the Supported Bimetallic Catalysts." Global Environmental Engineers 7 (July 16, 2020): 1–27. http://dx.doi.org/10.15377/2410-3624.2020.07.1.

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Volatile organic compounds (VOCs) and methane are pollutants that are harmful to the atmosphere and human health. It is highly required to control emissions of VOCs. Catalytic oxidation is one of the most effective pathways for the elimination of VOCs, in which the key issue is the development of novel and high-performance catalysts. In this review article, we briefly summarize the preparation strategies, physicochemical properties, catalytic activities, and stability for the oxidative removal of VOCs of the supported bimetallic catalysts that have been investigated by our group and other researchers. The supported bimetallic catalysts include the supported noble bimetal, supported noble metal-transition metal, and supported non-precious bimetal catalysts. It was found that catalytic performance was related to one or several factors, such as specific surface area, pore structure, particle size and dispersion, adsorbed oxygen species concentration, reducibility, lattice oxygen mobility, acidity, reactant activation ability, and/or interaction between bimetals or between metal and support. The stability and ability of anti-poisoning to water, carbon dioxide or chlorine were related to the nature of the bimetal and support in the catalysts. In addition, we also envision the development trend of such a topic in the future work.
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Romanenko, Victor, Leonid Golovko, Mykhailo Bloshchytsyn, and Viktor Dubniuk. "PRODUCTION OF BIMETALLIC MATERIALS WITH THE USE OF SPECIAL HOLDING ELEMENTS." Technical Sciences and Technologies, no. 1(27) (2022): 82–91. http://dx.doi.org/10.25140/2411-5363-2022-1(27)-82-91.

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The analysis of existing methods and a new combined process of bimetal production are presented, according to which a special regular design of holders is created on the surface of its functional component by means of laser or arc welding. Themelt of the structural component of the bimetal is fed to the surface of the functional component through the hole in the form of a special device with a given flow rate. Holders are made of wire. The holders are located on the surface of the working plate at an angle or perpendicular to the base, followed by bending after assembly. The number of holders, their geometry and relative position on the surface are determined by the size of the bimetal. You can change the required parameters of the strength of adhesion in different areas. Full filling of technological space between holders filled with metal guarantees reliable fastening ofbimetallic plates. Various options have been developed and implemented to reduce the cost of bimetal production technology. There are options where not the whole surface is filled, but only the specified areas of the prepared holes. This allows to implement multi-layer metal structures. A cheap and simple method of obtaining bimetallic plates without the need for foundry operations and equipment is the use of welding technology. It has been proven that in order to ensure high bond strength of bimetallic components and uniform distribution on the joint plane, it is necessary that the frequency of the holders and the step between them havethe optimal value. The high efficiency of a new, innovative combined technology of bimetal production has been demonstrated.The introduction of these technologies in the production of bimetals does not require large material costs and ensures maximum profitability of the manufacturing process of such materials. The presence of several manufacturing methods allows you to select the most optimal technology depending on the volume of production and the size of the resulting sheets of bimetals or individual products from them.
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Clement, Todd E., Daniel J. Nurco, and Kevin M. Smith. "Synthesis and Characterization of a Series of Monometallo-, Bimetallo-, and Heterobimetallo-1,2-Ethene-Linked Cofacial Bisporphyrins." Inorganic Chemistry 37, no. 6 (March 1998): 1150–60. http://dx.doi.org/10.1021/ic970774p.

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Sunden, Fanny, Ishraq AlSadhan, Artem Lyubimov, Tzanko Doukov, Jeffrey Swan, and Daniel Herschlag. "Differential catalytic promiscuity of the alkaline phosphatase superfamily bimetallo core reveals mechanistic features underlying enzyme evolution." Journal of Biological Chemistry 292, no. 51 (October 25, 2017): 20960–74. http://dx.doi.org/10.1074/jbc.m117.788240.

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Jaime, Elke, and Jennie Weston. "Mechanism of the MeOH/H2O Substitution in a Series of Biomimetic Bimetallo Zinc-Based H3O2 Complexes." European Journal of Inorganic Chemistry 2006, no. 4 (February 2006): 793–801. http://dx.doi.org/10.1002/ejic.200500450.

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Khaimovich, Alexander, Yaroslav Erisov, Vitaliy Smelov, Anton Agapovichev, Ilia Petrov, Vasilii Razhivin, Igor Bobrovskij, Viktoriya Kokareva, and Alexander Kuzin. "Interface Quality Indices of Al–10Si–Mg Aluminum Alloy and Cr18–Ni10–Ti Stainless-Steel Bimetal Fabricated via Selective Laser Melting." Metals 11, no. 1 (January 19, 2021): 172. http://dx.doi.org/10.3390/met11010172.

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Bimetallic materials are important in many industries (aerospace, medicine, etc.) since they allow the creation of constructions that combine specific functional properties, for example, low density (aluminum alloy) and high corrosion resistance (stainless steel), due to layering fabrication of the bimetallic joint. On the other hand, the difference in thermophysical properties of the dissimilar material layers leads to residual stresses, which cause deformation and destruction of such a bimetallic joint produced via the methods of surfacing or additive technologies. This article discusses the methods based on the gray relational analysis and generalized desirability function for the quality assessment of Al–10Si–Mg aluminum alloy and Cr18–Ni10–Ti stainless-steel bimetal fabricated via selective laser melting (SLM). There are four main parameters (quality indices) of the quality generalized assessment, which determine the degree of Al penetration into the steel substrate and Fe into the deposited layer, the difference in microhardness values on both sides of the interface boundary, and the resistance to mechanical destruction of the bimetallic joint. According to the results obtained, the best set of quality indices corresponds to the SLM technological modes with an energy density of 105 and 147 J/mm3. The greatest functionality of the bimetals is determined by the quality index associated with its strength. Therefore, methods of gray relational analysis and desirability function make it possible to form a generalized assessment for the bimetallic joint quality and, consequently, to select the best technological mode.
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Dissertations / Theses on the topic "Bimetallo"

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Bincoletto, Tatiana. "Le barriere reattive permeabili: sperimentazioni sul materiale Cu/Al per la decontaminazione di acque da solventi clorurati." Doctoral thesis, Università degli studi di Trieste, 2009. http://hdl.handle.net/10077/3254.

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2007/2008
Le problematiche ambientali relative alla potenziale presenza di composti organici clorurati, quali il tetraclorocarbonio, il cloroformio e il diclorometano, sono molto diffuse e di difficile risoluzione. Tali composti possono essere riscontrati in siti interessati, sia attualmente che nel passato, da attività di vario genere tra cui quella di produzione farmaceutica, alimentare e chimica. Sono in atto, oggigiorno, molteplici sperimentazioni finalizzate alla decontaminazione delle acque, siano esse di falda, di ruscellamento o di derivazione industriale, da tali composti. Una delle tecnologie che, negli ultimi anni, ha fornito risultati eccellenti per la decontaminazione di acque da varie tipologie di inquinanti tra cui quelli oggetto del presente lavoro, riguarda l’applicazione di barriere reattive permeabili. In particolare, gli studi riguardano la sperimentazione di materiali reattivi risultati efficaci anche per il trattamento di composti organici clorurati. La ricerca svolta si è concentrata sulla preparazione, sulla caratterizzazione e sulla sperimentazione di un materiale bimetallico reattivo a base di alluminio e rame per la decontaminazione di acque da tetraclorometano e da diclorometano. Le varie tipologie di bimetallo sono state realizzate utilizzando una soluzione di solfato di rame (uso agricolo) puro al 98.3 %, dell’idrossido di sodio in granuli e polveri di alluminio con un grado di purezza pari al 99.5% di cui sono state scelte cinque diverse classi granulometriche al fine di verificarne l’influenza sulle capacità reattive per il processo di decontaminazione. Sono stati prodotti 3 gruppi distinti di materiali Cu/Al in base sia alla quantità di polvere di alluminio utilizzata in fase di preparazione del materiale sia alla presenza o meno di processi di lavaggio del materiale post-formazione. La caratterizzazione del materiale è avvenuta attraverso analisi diffrattometriche e analisi in microscopia elettronica a scansione (SEM) che hanno permesso di individuarne la struttura e di identificarne le fasi cristalline che lo compongono. Le sperimentazioni per testare l’attività dei materiali sono state condotte in batch con acque contaminate da tetraclorometano o diclorometano a concentrazioni dell’ordine delle ppm ovvero superiori ai limiti imposti dalla Tab. 2 Allegato 5 (Tit.V) del DLgs 152/06 per le acque sotterranee. Le analisi chimiche, eseguite con un Purge and Trap interfacciato a un gascromatografo accoppiato ad uno spettrometro di massa, sono state realizzate presso i laboratori Hydrotech S.r.l. - Area Science Park, Padriciano, 99 - Trieste. La metodologia di analisi ha permesso di quantificare le percentuali di abbattimento di contaminante sia nel caso del tetraclorometano che del diclorometano e di verificare la formazione di prodotti secondari o di degradazione.
XXI Ciclo
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Zhu, Chengzhou, Dan Wen, Martin Oschatz, Matthias Holzschuh, Wei Liu, Anne-Kristin Herrmann, Frank Simon, Stefan Kaskel, and Alexander Eychmüller. "Kinetically controlled synthesis of PdNi bimetallic porous nanostructures with enhanced electrocatalytic activity." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-208520.

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Atmatzakis, Evangelos. "Bimetallic photonic metamaterials." Thesis, University of Southampton, 2016. https://eprints.soton.ac.uk/399982/.

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In this thesis, I introduce bimetallic ring resonator arrays as a platform for enhancing and controlling magneto-optical and thermoelectric effects. By taking advantage of differences in the physical (optical, electronic, thermal, magnetic) properties of the two elements comprising the resonators, I have demonstrated tailoring of the optical absorption and the Faraday effect, and generation of THz magnetic pulses. In particular: I have theoretically predicted for the first time the light-driven generation of intense, highly-localised, THz magnetic pulses in thermoelectric metamaterials. Excitation of bimetallic plasmonic resonators by ultrafast electromagnetic pulses, raises the electron energy and causes them to diffuse towards colder regions due to the thermoelectric effect. In addition, the resonator design and the excitation polarization create a situation in which electrons are forced to migrate in the azimuthal direction along the circumference of the ring, giving rise to a quasistatic magnetic field of up to 0:35 T, localized in an area with diameter of 70 nm. The time dynamics of the pulse generation process are controlled by electron energy relaxation to lattice through electron-phonon collisions, which lead to pulse duration of ~ 1:8 ps. I have demonstrated experimentally for the first time enhanced Faraday rotation in bimetallic single-layer metamaterials. The design of the unit cell resonator allows light confinement in the vicinity of the magneto optically active ferromagnetic metal which results in enhancement of the Faraday effect. Tailoring the size of the ferromagnetic component, which simultaneously controls the magneto-optical response and the dissipation losses in the system, results in a design which rotates the polarization azimuth of an incident electromagnetic wave by up to 1 mrad. I have demonstrated for the first time resonant absorption in single-layer Au/Ni photonic metamaterials and investigated its dependence on wavelength and polarization. A hybrid system consisting of materials that exhibit different levels of dissipation losses can be excited in ways which enable control over the spectral position, bandwidth and level of the optical absorption. The plasmonic modes mediating the metamaterial absorption are identified by a detailed computational analysis, which is in good agreement with the far-field experimental observations. I have fabricated for the first time single-layer, bimetallic ring resonator arrays consisting of noble and ferromagnetic metals. An optimized, multi-step electron beam lithography process has been developed in order to bring together, with sub-10 nm accuracy, the two metallic sectors and form 100 x 100 µm2 ring resonator arrays. I have developed a sensitive polarimeter apparatus to probe polarization rotation in metamaterial arrays. Following the principles of polarization modulation polarimetry, I have built a state of the art experimental setup that resolves angles as low as 10-5 radians in finite size, strongly scattering samples which have dimensions down to 50 x 50 µm2.
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Morris, James Alan. "Palladium-ruthenium bimetallic cascades." Thesis, University of Leeds, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.405707.

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Migliaccio, Luca. "Bimetallic catalysts for CO2 electroreduction." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14470/.

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Over the last decades, many steps have been taken in the search for an effective method to reduce carbon dioxide to small organic molecules that can be used as fuel or building blocks for the chemical industry. The object of this work is to prepare two bimetallic electrocatalysts utilizing Cu combined with Au or In for the efficient and selective reduction of CO2 to CO, HCOOH and small fuels molecules. The copper-gold electrode is prepared through the electrodeposition of Cu on the surface of Au, using the underpotential deposition (UPD) technique to obtain a copper monolayer. The prepared electrode shows a high current density compared to Au electrode. Bimetallic metal oxides of CuInO2 is used as the precursor to prepare Cu-In alloys electrodes for electrochemical reduction of CO2. The electrocatalyst preparation is carried out using a thermal reducing treatment able to form different catalytic surfaces with different Cu-In alloys or single-phase metals. The best sample shows a high faradaic efficiency toward CO (71%) at the low overpotential of −0.8 V vs RHE. This study shows two examples of scalable and inexpensive preparation methods of bimetallic surfaces, which may use as selective electrocatalysts for the aqueous reduction of CO2.
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Merrifeild, Ruth Corrin. "Bimetallic Nanoclusters and Protein Interactions." Thesis, University of Birmingham, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.522011.

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Cooper, Ian Ronald. "Palladium-indium bimetallic cascade processes." Thesis, University of Leeds, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401087.

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Davies, S. J. R. "The structure of bimetallic catalysts." Thesis, University of Cambridge, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373245.

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Ence, Chloe Christine. "Organic Synthesis using Bimetallic Catalysis." BYU ScholarsArchive, 2020. https://scholarsarchive.byu.edu/etd/8397.

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Bimetallic Catalysis is an emerging field of study that uses two metals to cooperatively perform organic transformations. These metals can serve to activate or bind substrates in order to increase the rate and selectivity of reactions. This work first describes the synthesis and utilization of six new chiral, titanium-containing phosphinoamide ligands. These Lewis acidic ligands withdraw electron density from an active palladium center to induce chirality and increase the rate of allylic amination of hindered, secondary N-alkyl amines. X-ray quality crystals were grown for each ligand and completed the allylic amination of hindered secondary amines in minutes whereas other non-titanium-containing ligands produced trace product. Although enantioselectivity was low initially, through a dynamic kinetic resolution enantioselectivity was increased over time, reaching 53% enantioselectivity. The second type of bimetallic catalysis discussed is dinuclear Pd(II) and Pd(I) catalysis. These dimers were built on a 2-phosphinoamide ligand scaffold and present interesting molecular structure and unique reactivity. These dimers were found to perform tandem arylketone coupling to produce disubstituted naphthalene products under oxidative conditions. It is proposed that the Pd(II) dimer undergoes oxidative addition to produce a Pd(III) dimer which subsequently produces an aryl-ketone intermediate. This process is made possible by the cooperativity of the two palladium centers which enable the formation of a Pd(III) dimer, circumventing the need for the high energy Pd(IV) oxidation state. Oxidative conditions then allows coupling and cyclization of a second ketone to form the naphthalene product.
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Kühn, Laura. "Bimetallic aerogels for electrocatalytic applications." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-226469.

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Polymer electrolyte fuel cells (PEFCs) have emerged as a promising renewable emission-free technology to solve the worldwide increasing demand for clean and efficient energy conversion. Despite large efforts in academia and automotive industry, the commercialization of PEFC vehicles still remains a great challenge. Critical issues are high material costs, insufficient catalytic activity as well as longterm durability. Especially due to the sluggish kinetics of the oxygen reduction reaction (ORR), high Pt loadings on the cathode are still necessary which leads to elevated costs. Alloys of Pt with other less precious metals (Co, Ni, Fe, Cu, etc.) show improved ORR activities compared to pure Pt catalysts. However, state-of-the-art carbon-supported catalysts suffer from severe Pt and carbon corrosion during the standard operation of PEFCs, affecting their reliability and long-term efficiency. Multimetallic aerogels constitute excellent candidates to overcome these issues. Due to their large open pores and high inner surface areas combined with electrical conductivity, they are ideal for applications in electrocatalysis. In addition, they can be employed without any catalyst support. Therefore, the fabrication of bimetallic Pt-M (M=Ni, Cu, Co, Fe) aerogels for applications in fuel cell catalysis was the focus of this thesis. Based on a previously published synthesis for Pt–Pd aerogels, a facile one-step procedure at ambient conditions in aqueous solution was developed. Bimetallic aerogels with nanochain diameters of as small as 4 nm and Brunauer-Emmett-Teller (BET) surface areas of up to 60 m2/g could be obtained. Extensive structure analysis of Pt–Ni and Pt–Cu aerogels by powder X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), X-ray absorption spectroscopy (XAS), scanning transmission electron microscopy coupled with energy-dispersive X-ray spectroscopy (STEM-EDX) and electrochemical techniques showed that both metals were predominantly present in their metallic state and formed homogeneous alloys. However, metal (hydr)oxide byproducts were observed in aerogels with higher contents of non-precious metal (>25 %). Moreover, electronic and geometric structures were similar to those of carbon-supported Pt alloy catalysts. As a result, ORR activites were comparable, too. A threefold improvement in surface-specific activity over Pt/C catalysts was achieved. The mass-specific activites met or exceeded the U.S. Department of Energy (DOE) target for automotive PEFC applications. Furthermore, a direct correlation between non-precious metal content in the alloy and ORR activity was discovered. Aerogels with nonprecious metal contents >25% turned out to be susceptible to dealloying in acid leaching experiments, but there was no indication for the formation of extended surface structures like Pt-skeletons. A Pt3Ni aerogel was successfully employed as the cathode catalyst layer in a differential fuel cell (1 cm2), which is a crucial step towards technical application. This was the first time an unsupported metallic aerogel was implemented in a PEFC. Accelerated stress tests that are usually applied to investigate the support stability of fuel cell catalysts revealed the excellent stability of Pt3Ni alloyed aerogels. In summary, the Pt alloy aerogels prepared in the context of this work have proven to be highly active oxygen reduction catalysts with remarkable stability.
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Books on the topic "Bimetallo"

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N, Dmitrov L., ed. Bimetally. Permʹ: Permskoe knizhnoe izd-vo, 1991.

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Zhang, Ya-Wen, ed. Bimetallic Nanostructures. Chichester, UK: John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119214618.

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3

Judd, Lawrence. Bimetallic complexes of meta-substituted phosphinobenzenes. [s.l.]: typescript, 1988.

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4

John, Ferrante, and United States. National Aeronautics and Space Administration., eds. Theoretical modelling of AFM for bimetallic tip-substrate interactions. [Washington, DC]: National Aeronautics and Space Administration, 1991.

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John, Ferrante, and United States. National Aeronautics and Space Administration., eds. Theoretical modelling of AFM for bimetallic tip-substrate interactions. [Washington, DC]: National Aeronautics and Space Administration, 1991.

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Davies, Edward Stephen. The synthesis, structure and reactivity of bimetallic cycloheptatrienyl complexes. Manchester: University of Manchester, 1994.

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Sołkowski, Tadeusz. Zastosowanie metody charakterystyk do analizy procesów obróbki plastycznej bimetali. Kraków: Politechnika Krakowska, 1992.

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Wu, Yuen. Controlled Synthesis of Pt-Ni Bimetallic Catalysts and Study of Their Catalytic Properties. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49847-7.

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Charsley, Stephen M. The synthesis and electrochemistry of bimetallic complexes of tris-3, 5 dimethylpyrazolylborato molybdenum. Birmingham: University of Birmingham, 1985.

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Tucs, Eric R. Ligand and proton transfer reactions in a series of RePt and MnPt bimetallic systems. Ottawa: National Library of Canada, 1990.

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Book chapters on the topic "Bimetallo"

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Zhang, Zhi-Ping, and Ya-Wen Zhang. "Introduction of Bimetallic Nanostructures." In Bimetallic Nanostructures, 1–22. Chichester, UK: John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119214618.ch1.

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Kim, Jiwhan, Juhyuk Choi, Jinkyu Lim, and Hyunjoo Lee. "Electrocatalysis." In Bimetallic Nanostructures, 315–59. Chichester, UK: John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119214618.ch10.

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Pei, Yuchen, and Wenyu Huang. "Heterogeneous Catalysis." In Bimetallic Nanostructures, 360–424. Chichester, UK: John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119214618.ch11.

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Zhou, Liang, Tian Zhao, Xiao-Yong Wang, Ling-Dong Sun, and Chun-Hua Yan. "Plasmonics." In Bimetallic Nanostructures, 425–58. Chichester, UK: John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119214618.ch12.

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Li, Haijuan, and Yongdong Jin. "Sensing." In Bimetallic Nanostructures, 459–98. Chichester, UK: John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119214618.ch13.

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Jiang, Hong. "Theoretical Models for Bimetallic Surfaces and Nanoalloys." In Bimetallic Nanostructures, 23–60. Chichester, UK: John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119214618.ch2.

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Si, Rui. "In situ Characterization Techniques of Bimetallics." In Bimetallic Nanostructures, 61–96. Chichester, UK: John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119214618.ch3.

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Dai, Lin-Xiu, and Ya-Wen Zhang. "Bimetallic Nanopolyhedrons and Nanospheres." In Bimetallic Nanostructures, 97–132. Chichester, UK: John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119214618.ch4.

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Jiang, Shaojie, Yiliang Luan, Xiaokun Fan, Zewei Quan, and Jiye Fang. "Bimetallic Convex and Concave Nanostructures." In Bimetallic Nanostructures, 133–71. Chichester, UK: John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119214618.ch5.

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Li, Hongliang, An Zhang, Zhicheng Fang, and Jie Zeng. "Bimetallic Nanoframes and Nanoporous Structures." In Bimetallic Nanostructures, 172–246. Chichester, UK: John Wiley & Sons, Ltd, 2018. http://dx.doi.org/10.1002/9781119214618.ch6.

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Conference papers on the topic "Bimetallo"

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Lekhov, O. S., M. M. SHevelev, and D. H. Bilalov. "Continuous casting and deformation plant for the production of steel three-layer bimetallic strips." In SCIENCE OF RUSSIA: GOALS AND OBJECTIVES. L-Journal, 2020. http://dx.doi.org/10.18411/sr-10-12-2020-49.

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The technology of obtaining steel three-layer bimetallic strips on the installation of a combined process of continuous casting and deformation is described. The regularities of changes in the temperature of the main steel strip during its passage through the molten metal of the cladding layer are established. The stress-strain state of the metals of the main strip and the cladding layers in the deformation zone during the production of steel three-layer bimetallic strips is determined. The results of a study of the microstructure of the steel 09G2S – steel 13XFA – steel 09G2S bimetal obtained at a pilot installation for continuous casting and deformation are presented.
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Kumar, Anand, and Anchu Ashok. "Catalytic Decomposition of Ethanol over Bimetallic Nico Catalysts for Carbon Nanotube Synthesis." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0039.

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In this work we investigate the use of NiCo bimetal/oxide as catalyst for hydrogen production from ethanol, with a focus on the deactivation pattern and the nature of the observed carbon deposition. It is well known that sintering and coke deposition during decomposition reaction significantly reduces the activity of the catalysts at higher temperature, by blocking the active sites of the catalysts. During ethanol decomposition reaction, the cleavage of C-C bond produces adsorbed *CH4 and *CO species that further decompose to form carbonaceous compounds. FTIR in-situ analysis was conducted between 50 to 400°C for all the catalysts to understand the reaction mechanism and product selectivity. Cobalt was found to be selective for aldehyde and acetate, whereas bimetallic Ni-Co was selective for the formation of CO at 400°C along with aldehyde. Complete conversion of ethanol was observed at 350°C and 420°C for NiCo and Cobalt respectively indicating an improvement in the rate of conversion when Ni was added to cobalt. The crystallinity, morphology and particle analysis of the used catalyst after reaction were studied using XRD, SEM and TEM respectively. The XRD shows the complete phase change of porous NiCoO2 to NiCo alloy and SEM indicates the presence of fibrous structure on the surface with 91.7 % of carbon while keeping 1:1 ratio of Ni and Co after the reaction. The detailed analysis of carbon structure using HRTEM-STEM shows the simultaneous growth of carbon nano fibers (CNFs) and multiwalled carbon nanotubes (MWCNTs) that were favored on larger and smaller crystallites respectively. Analysis of carbon formation on individual Co catalyst and bimetallic NiCo catalyst shows a clear difference in the initiation pattern of carbon deposition. Metallic Co nanoparticles were found to be more mobile where Co disperses along the catalysts surface, whereas NiCo nanoparticles were relatively less mobile, and maintained their structure.
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"ISSLEDOVANIE STRUKTURNOJ NEODNORODNOSTI SLOEV BIMETALLA." In International Workshop "Multiscale Biomechanics and Tribology of Inorganic and Organic Systems" ; Mezhdunarodnaja konferencija "Perspektivnye materialy s ierarhicheskoj strukturoj dlja novyh tehnologij i nadezhnyh konstrukcij" ; VIII Vserossijskaja nauchno-prakticheskaja konferencija s mezhdunarodnym uchastiem, posvjashhennaja 50-letiju osnovanija Instituta himii nefti "Dobycha, podgotovka, transport nefti i gaza". Tomsk State University, 2019. http://dx.doi.org/10.17223/9785946218412/79.

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Chhibber, Rahul, Navneet Arora, and B. K. Dutta. "Residual Stresses in Bimetallic Weld Joint With Varying Buttering Layer Thickness." In ASME 2018 13th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/msec2018-6729.

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The use of bimetallic weld joints is widespread in thermal and nuclear energy generation. It is evident from literature survey that the weld and ferritic steel HAZ region of bimetallic joints are prone to failures. The failures can be attributed to the generation of residual stresses in bimetallic welds. A typical bimetallic weld joint, representing a joint being tested for use in Indian Nuclear Reactors was fabricated between SA 516 Grade 65 and 304 austenitic stainless steel with and without the use of SS 309 L buttering layer. The buttering layer thickness was varied and surface and subsurface residual stresses were assessed using the hole drilling technique and neutron diffraction measurements. It was found that the SS 309 L buttering layer with thickness of around 6 mm employed in the bimetallic weld joint reduces the surface and sub-surface residual stresses in the critical region (ferritic steel HAZ) of the bimetallic weld joint.
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"Issledovanie mikrostruktury deformirovannnogo bimetalla metodom asm." In Perspektivnye materialy s ierarkhicheskoy strukturoy dlya novykh tekhnologiy i nadezhnykh konstruktsiy, Khimiya nefti i gaza. Tomsk State University, 2018. http://dx.doi.org/10.17223/9785946217408/111.

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Dong, Jianwei, Deguo Wang, and Yanbao Guo. "Preparation and Performance Evaluation of Erosion Resistant Lining of Bimetallic Composite Pipe." In 2022 14th International Pipeline Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/ipc2022-86912.

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Abstract Erosion widely exists in oil and gas production and transmission pipelines, which seriously affects the service life of pipelines. Ordinary carbon steel pipe can meet the strength and pressure of oil and gas transportation, but it has the disadvantages of poor erosion resistance, short service life and frequent replacement. The cost of using erosion resistant metal pipe is high, which is not suitable for comprehensive popularization and application. Bimetallic composite pipe includes outer layer and inner layer. It is formed by two different metals through a variety of processing technologies, which has the advantage that a single material does not have. It not only has the strength and toughness of the outer pipe, but also has the erosion resistance of the inner pipe. The service life of bimetallic composite pipeline can be 4–6 times longer than that of traditional carbon steel pipeline, and the manufacturing cost is relatively low, the service time is long, and it has good economy. Therefore, it is more and more widely used in oil and gas production and transportation. However, the common problem of bimetallic composite pipe is that the bonding interface between outer pipe and inner layer is not fully bonded and there has gaps. Or the interface binding force is not enough. When the composite pipe is eroded by the fluid in the pipe, the stress concentration at the interface will lead to the separation of the inner layer and the outer pipe, leading to the reduction of the service life of the pipe. Therefore, how to prepare the bimetallic composite pipe with good quality and strong erosion resistance has become an urgent problem to be solved. In this paper, carbon steel cemented carbide bimetallic composite pipe was prepared by electromagnetic heating through the application of centrifugal force and molten metal fluidity. The joint surface of the prepared bimetallic composite pipe was observed and analyzed, and the erosion test of the inner layer was carried out. The micro morphology of the erosion sample was observed and analyzed by shape analysis laser microscope. The erosion rate was accurately calculated according to the mass loss of the sample before and after erosion. The results show that the bimetallic composite pipe prepared by the above method has good interface bonding quality and no obvious defects. In the same erosion environment, the bimetallic composite pipe has stronger erosion resistance, lower erosion rate and higher service life than carbon steel pipe. Therefore, through the exploration of the preparation method of bimetallic composite pipe, this paper improves the preparation process of bimetallic composite pipe, improves the comprehensive mechanical properties and erosion resistance of bimetallic composite pipe, and promotes the application of bimetallic composite pipe in industrial production.
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Datta, Proyag, Madhulika Sathe, Lakshmi Namburi, Elizabeth J. Podlaha, Sumanta Acharya, and Michael C. Murphy. "Microfabricated recurve bimetallic actuator." In Micromachining and Microfabrication, edited by Siegfried W. Janson. SPIE, 2003. http://dx.doi.org/10.1117/12.472869.

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TRÉGLIA, G., I. MEUNIER, C. MOTTET, J. M. ROUSSEL, A. SAÚL, A. SENHAJI, B. LEGRAND, F. DUCASTELLE, and R. FERRANDO. "ATOMISTIC MODELLING OF BIMETALLIC SURFACES." In Proceedings of the Spring School on Quasicrystals. WORLD SCIENTIFIC, 2000. http://dx.doi.org/10.1142/9789812793201_0009.

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Park, Y. H., and I. Hijazi. "Properties of Bimetallic Core-Shell Nanoclusters." In ASME 2012 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/pvp2012-78242.

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Gold (Au) and copper (Cu) materials and their combination exhibit the most of the main wanted properties in nanostructures. Nobel metals such as Au and Cu have important magnetic, electronic, optical, catalytic and thermal properties. Compared to monometallic clusters, bimetallic nanoclusters have more degrees of freedom and distinct properties due to the presence of two different metals. It is also well known that the shape, surface topography, segregation, mixing, ordering, energetic stability, and electronic structures of bimetallic nanoclusters may depend significantly on their composition. This affords greater opportunity to control their properties by modifying composition as well as size. In this work, we investigated magnetic and electronic properties for AuCu bimetallic core-shell structures and showed that the CuAu coreshell can have a half-metal property through chemical composition modification. Half-metallic ferromagnets attract increasing research interest as potential materials for spintronic device applications.
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Kashuba, M., S. Agulnikov, and M. Kulkova. "НОВОЕ О ПОГРЕБЕНИИ БЕЛОЗЕРСКОЙ КУЛЬТУРЫ ХАДЖИЛЛАР (МОЛДАВИЯ) В СВЕТЕ РАДИОУГЛЕРОДНОГО ДАТИРОВАНИЯ." In Радиоуглерод в археологии и палеоэкологии: прошлое, настоящее, будущее. Материалы международной конференции, посвященной 80-летию старшего научного сотрудника ИИМК РАН, кандидата химических наук Ганны Ивановны Зайцевой. Samara State University of Social Sciences and Education, 2020. http://dx.doi.org/10.31600/978-5-91867-213-6-40-41.

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The unique burial Hadjillar of the Belozerskaya culture was excavated in the Low Dniestr region (Moldova). Features of burial ritual and status items in the grave goods such as wooden cup decorated by bronze, bimetallic knife etc., distinguish this complex and this is evidences about high social rank of burial man. New AMS radiocarbon date on a wooden piece of cup discuses about early appearance of innovative technologies connected with iron metallurgy and manufacture of bimetallic (bronze/iron) items.
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Reports on the topic "Bimetallo"

1

Casey, C. P. Organometallic chemistry of bimetallic compounds. Office of Scientific and Technical Information (OSTI), July 1991. http://dx.doi.org/10.2172/5977032.

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Casey, C. P. Organometallic chemistry of bimetallic compounds. Office of Scientific and Technical Information (OSTI), July 1992. http://dx.doi.org/10.2172/7047078.

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Casey, C. Organometallic chemistry of bimetallic compounds. Office of Scientific and Technical Information (OSTI), August 1990. http://dx.doi.org/10.2172/6619707.

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Koel, B. E. Chemistry of bimetallic and alloys surfaces. Office of Scientific and Technical Information (OSTI), October 1991. http://dx.doi.org/10.2172/6105909.

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Koel, B. E. Chemistry of bimetallic and alloy surfaces. Office of Scientific and Technical Information (OSTI), October 1991. http://dx.doi.org/10.2172/6267713.

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Koel, B. E. Chemistry of bimetallic and alloy surfaces. Office of Scientific and Technical Information (OSTI), January 1992. http://dx.doi.org/10.2172/6826923.

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Bein, T. Anchoring strategies for bimetallic species in zeolites. Office of Scientific and Technical Information (OSTI), March 1993. http://dx.doi.org/10.2172/6443657.

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Casey, C. P. Organometallic chemistry of bimetallic compounds. [Annual report]. Office of Scientific and Technical Information (OSTI), July 1992. http://dx.doi.org/10.2172/10187589.

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Perla B. Balbuena and Jorge M. Seminario. Bimetallic and Trimetallic Nanoparticles for Fuel Cell Electrocatalysis. Office of Scientific and Technical Information (OSTI), October 2005. http://dx.doi.org/10.2172/908297.

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Duncan, M. A. Photodissociation and spectroscopy of gas phase bimetallic clusters. Office of Scientific and Technical Information (OSTI), May 1992. http://dx.doi.org/10.2172/6395014.

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