Results 21 to 30 of about 80,438 (295)
High Temperature Materials and Processes, 2021 HRB500E seismic steel bars are mainly used in high-rise buildings near the seismic zone. The influence of different niobium contents (0–0.023%) on the microstructure and mechanical properties of HRB500E seismic reinforcement was studied.
Huang Sheng +7 more
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Preparation of Ni–MgO core-shell nano powders
Fenmo yejin jishuNickel nanopowders coated by magnesium oxide used for inner electrode of multilayer ceramic capacitor (MLCC) were prepared by coating thermal decomposition sintering method.
GUO Shun +4 more
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Progress of Niobium and Tantalum Analytical Technology
Yankuang ceshi, 2018 As strategic emerging mineral resources supported by the state, niobium and tantalum are the functional and structural materials needed for the development of emerging industries.
LI Gang +5 more
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Single electron transistors with high quality superconducting niobium islands
, 2001 Deep submicron Al-AlOx-Nb tunnel junctions and single electron transistors with niobium islands were fabricated by electron beam gun shadow evaporation. Using stencil masks consisting of the thermostable polymer polyethersulfone (PES) and germanium, high
Dolata, R. +3 more
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Characteristics of a production route for filamentary Nb3Sn superconductors based on a reaction between niobium and Nb6Sn5 [PDF]
, 1989 Monofilamentary Nb3Sn superconductors have been made by application of a reaction between Nb6Sn5 powder and niobium. The layer thickness of Nb3Sn shows a parabolic time dependence, implying diffusion-controlled layer growth.
Kolster, B.H., Neijmeijer, W.L.
core +3 more sources
Removal of mechanical additives from the surface of cast niobium; pp. 241–246 [PDF]
Proceedings of the Estonian Academy of Sciences, 2008 A combined method of the utilization of deposits from the shaft furnace of niobium production consisting of the stages of thermomechanical treatment, hydrogenation, grinding, and separation was elaborated in industrial conditions.
Valeri Gorkunov +2 more
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Purification of Niobium by Electron Beam Melting
High Temperature Materials and Processes, 2016 Pure niobium metal, produced by alumino-thermic reduction of niobium oxide, contains various impurities which need to be reduced to acceptable levels to obtain aerospace grade purity. In the present work, an attempt has been made to refine niobium metals
Sankar M. +4 more
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Separation and Selective Transport of Zirconium (IV) and Niobium (V) from Hydrochloric Media Through a Bulk Liquid Membrane [PDF]
مجله علوم و فنون هستهای, 2018 The separation of zirconium and niobium from lanthanides in hydrochloric medium and the selective transport of them via bulk liquid membrane (BLM) was examined.
S A. Milani, A Charkhi, S Eshghi
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Recovery of niobium and titanium from ilmenorutile by NaOH roasting-H2SO4 leaching process
Journal of Materials Research and Technology, 2021 Niobium has a wide range of application in various industries such as materials, alloy, and electronic industry. To improve the use of ilmenorutile in China's Bayan Obo deposit, a novel process of extracting niobium, titanium, and iron from ilmenorutile ...
Linquan Sun +5 more
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Influence of interstitials content on the diffusion of Niobium in alloy 718 [PDF]
, 2009 Many studies have emphasized the beneficial effect of niobium on the physical metallurgy of Ni-Cr-Fe alloy 718. Among the different strengthening actions of niobium, such as solid solution hardening and carbide precipitation, the precipitation of niobium
Andrieu, Eric +4 more
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