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Journal of Phase Equilibria and Diffusion. 2022. The Nb-Zr system was reassessed based on calculated theoretical data and available thermodynamic and phase equilibria data.
contact198261 · 72Eff: Van Effenterre, P., “Study of the Equilibrium Diagram and Structural Transformations Obtained by Quenching at Different Rates or Tempering of Zr−Nb Alloys
contact201671 · As the material of fuel claddings for water cooled reactors most commonly used binary and multicomponent zirconium alloys Zr-Nb (E110,M5), Zr-Sn-Fe (Zircaloy-2,
contact1 · The Zr + 1% Nb alloy of type N-1 E-110 is used for fuel element claddings, the Zr + 2.5% Nb alloy of type E-125 is applied for tubes of assembly channels. The cladding material for the new 17×17 fuel
contactAvailable alloy forms include sheets and plates, discs, foils, rods, tubes, and other shapes. American Elements can produce niobium-zirconium alloy in various standard ratios of
contactStructural stability, sound velocities, elasticity, and thermodynamic properties of cubic Zr 0.5 Nb 0.5 alloy have been investigated at high pressure and high temperature by first
contact2021525 · Niobium-Zirconium alloys (Nb-1Zr) and PWC-11 alloys (Nb-1Zr-0.1C) have been used in the SP-100 design as basic materials for lithium coolant boundaries,
contact2022820 · Different cases for Zr-Nb alloys with unit cells having BCC and HCP structures are considered. Optimal values of the lattice constants are obtained. Critical
contactBoth alloys have a single phase beta Zr solid solution at 700°C which is detrimental for the oxidation resistance. beta Nb-phase greatly contributes to the oxidation resistance in
contactThe individual and combined effects of W and Zr additions on macrostructure, microstructure and mechanical properties of Nb have been investigated. Nb, Nb-10 wt% W, Nb-2.5 wt% Zr and Nb-10 wt% W-2.5 wt% Zr alloy ingots were prepared by electron beam drip melting using high purity Nb, W and Zr rods. Additions of W and Zr resulted in significant
contactJournal of Phase Equilibria and Diffusion. 2022. The Nb-Zr system was reassessed based on calculated theoretical data and available thermodynamic and phase equilibria data. The Gibbs energies of the bcc and hcp solid phases were described using…. Expand. Highly Influenced. View 5 excerpts, cites methods and background.
contact20161112 · 2.1 Nb Alloys and Their Properties. Niobium is a tough, shiny, silver-gray, soft, ductile metal that somewhat resembles stainless steel in appearance. The metal was discovered in 1801 in an ore shipped from Connecticut, more than 100 years earlier, by the scientist Charles Hatchett, who named it Columbium.
contact201671 · As the material of fuel claddings for water cooled reactors most commonly used binary and multicomponent zirconium alloys Zr-Nb (E110,M5), Zr-Sn-Fe (Zircaloy-2,-4) and Zr-Nb-Sn-Fe (E635, Zirlo) are used, which improvement extends, in particular, by varying their composition by Nb, Sn and Fe.
contactToday, titanium (Ti)-, niobium (Nb)-, tantalum (Ta)- and zirconium (Zr)-contained alloys are the most promising [23,24,25,26,27,28]. For the first time, alloys based on TiNbTaZr were obtained and applied in biomedicine more than a decade ago . Currently, composite materials based on TiNbTaZr alloys are used for biomedical applications .
contactTi, Al, the concentration of Ti, Si, Al elements will be increased, the alloy with Nb and Zr will be introduced, and a temperature in the austenitic domain (over ... 12 Niobium - 0,0120 0,012 0 ...
contact1 · The Zr + 1% Nb alloy of type N-1 E-110 is used for fuel element claddings, the Zr + 2.5% Nb alloy of type E-125 is applied for tubes of assembly channels. The cladding material for the new 17×17 fuel
contactIn this study, the tensile properties of C-103 Nb based alloy were evaluated in the temperature range between room temperature (RT) and 1200 °C using Gleeble test system at the strain rate of 10 ...
contactItem No.: ALB-N015. Niobium Zirconium (Nb1Zr) Alloy Sheets is made of Nb-1Zr alloy with purity over 99.95%. Size available: Thickness 0.1-10 mm; Width 30-1000 mm; Length 30-3000 mm. Standard: ASTM B 393. ALB Materials Inc is a global supplier of Niobium Zirconium (Nb-1Zr) Alloy Sheets / Plate / Board and we can provide customized niobium
contact2022820 · Different cases for Zr-Nb alloys with unit cells having BCC and HCP structures are considered. Optimal values of the lattice constants are obtained. Critical value for the niobium concentration corresponding to the structural transformation HCP → BCC at zero temperature is defined.
contact2023315 · The reason for accelerated corrosion of Zr-Nb alloys in lithiated water is discussed from the rapid oxidation of β-Nb precipitates. ... "Oxidation behavior of niobium in oxide layer of zirconium ...
contact201211 · In order to characterize the amount of oxidized Nb as function of oxide depth in Zr–0.4Nb alloy, microbeam (0.2 m spatial resolution) XANES measurements were performed at the Advanced Photon ...
contact2020102 · The alloy was vacuum annealed at 1350–1800 °C to study the stability of Nb 2 C and Nb(Zr)C carbide precipitates in the microstructure. Compression creep tests conducted at 900 and 1000 °C revealed a stress exponent value of 2 and activation energy of 508 kJ/mol. NbSi 2 -based coatings were developed on the Nb-1Zr-0.1C alloy tubes
contact2019117 · The effect of Nb content on microstructure, mechanical properties and superelasticity was studied in Ti-Nb alloys fabricated by powder metallurgy route using mechanical alloying and spark plasma sintering. In the microstructure of the as-sintered materials, undissolved Nb particles as well as precipitations of α-phase at grain
contact202086 · CREEP STRENGTH OF NIOBIUM ALLOYS, Nb-l%Zr AND PNC-II Robert H. Titran National Aeronautics and Space Administration Lewis Research Center Cleveland, OH 44135 INTRODUCTION Space power requirements for future civilian and military missions will range from multikilowatts to megawatts of electricity. Nuclear reactor power
contact2021525 · Niobium-Zirconium alloys (Nb-1Zr) and PWC-11 alloys (Nb-1Zr-0.1C) have been used in the SP-100 design as basic materials for lithium coolant boundaries, reactor shells and parts inside fuel casings. Nb-1Zr alloy has 50% higher yield strength than pure Niobium and has the same corrosion resistance as pure Niobium in many solutions.
contactStructural stability, sound velocities, elasticity, and thermodynamic properties of cubic Zr 0.5 Nb 0.5 alloy have been investigated at high pressure and high temperature by first-principles density functional calculations combined with the quasi-harmonic Debye model. A pronounced pressure-induced shear wave velocity stiffening in Zr 0.5 Nb 0.5 alloy is
contact： Oxidation behavior of Zr-10Nb-10Ti and Zr-10Nb-20Ti (compositions are in atomic percent) alloys has been investigated in air between 300 and 700°C. Higher Ti content in the alloy enhances the oxidation resistance.
contact2022512 · The first results on the activation process and mechanisms of novel quinary alloy Ti–Zr–V–Hf–Nb non-evaporable getter (NEG) film coatings with copper substrates were presented. About 1.075 µ m of Ti–Zr–V–Hf–Nb NEG film coating was deposited on the copper substrates by using the DC sputtering method.
contact2022820 · Different cases for Zr-Nb alloys with unit cells having BCC and HCP structures are considered. Optimal values of the lattice constants are obtained. Critical value for the niobium concentration corresponding to the structural transformation HCP → BCC at zero temperature is defined.
contact2022823 · Niobium-zirconium (Nb-Zr) alloy is an old superconductor that is a promising new candidate for superconducting radio-frequency (SRF) cavity applications. Using density-functional and Eliashberg...
contactThe individual and combined effects of W and Zr additions on macrostructure, microstructure and mechanical properties of Nb have been investigated. Nb, Nb-10 wt% W, Nb-2.5 wt% Zr and Nb-10 wt% W-2.5 wt% Zr alloy ingots were prepared by electron beam drip melting using high purity Nb, W and Zr rods. Additions of W and Zr resulted in significant
contact2023315 · The reason for accelerated corrosion of Zr-Nb alloys in lithiated water is discussed from the rapid oxidation of β-Nb precipitates. ... "Oxidation behavior of niobium in oxide layer of zirconium ...
contactThis work systematically investigated the effects of Nb and Ti elements on the structural stability of the bcc- β phase and mechanical properties of Zr-Nb-Ti alloys. Various binary [Zr-Zr 14 ] (Zr, Nb) 3 alloy compositions were designed by the cluster formula approach, based on which Ti was substituted for the base Zr to form ternary alloys.
contact201917 · The extraordinary superconductivity has been observed in a pressurized commercial niobium–titanium alloy. Its zero-resistance superconductivity persists from ambient pressure to the pressure as high as 261.7 GPa, a record-high pressure up to which a known superconducting state can continuously survive.
contact202078 · ： Pandat Ti-Nb-Zr 。. SGTE (scientific group thermodata Europe) ，。. Pandat PanOptimizer ...
contactStructural stability, sound velocities, elasticity, and thermodynamic properties of cubic Zr 0.5 Nb 0.5 alloy have been investigated at high pressure and high temperature by first-principles density functional calculations combined with the quasi-harmonic Debye model. A pronounced pressure-induced shear wave velocity stiffening in Zr 0.5 Nb 0.5 alloy is
contact2021525 · Niobium-Zirconium alloys (Nb-1Zr) and PWC-11 alloys (Nb-1Zr-0.1C) have been used in the SP-100 design as basic materials for lithium coolant boundaries, reactor shells and parts inside fuel casings. Nb-1Zr alloy has 50% higher yield strength than pure Niobium and has the same corrosion resistance as pure Niobium in many solutions.
contact： Oxidation behavior of Zr-10Nb-10Ti and Zr-10Nb-20Ti (compositions are in atomic percent) alloys has been investigated in air between 300 and 700°C. Higher Ti content in the alloy enhances the oxidation resistance.
contact2022820 · Different cases for Zr-Nb alloys with unit cells having BCC and HCP structures are considered. Optimal values of the lattice constants are obtained. Critical value for the niobium concentration corresponding to the structural transformation HCP → BCC at zero temperature is defined.
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