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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.
contactNb-alloys like C-103 (89 wt% Nb, 10 wt% Hf, 1 wt% Ti) or Nb-1Zr (~99 wt% Nb, 1 wt% Zr) are generally easier to fabricate and more workable than Mo-alloys although they have
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
contactNiobium (Nb), Titanium (Ti), and Zirconium (Zr) have attracted much attention as implant materials due to it's excellent mechanical properties and biocompatibility. However, little
contactBrowse Niobium-zirconium alloy, Nb99Zr1 and related products at MilliporeSigma. US EN. Applications Products Services Support. Home; Search Results; Niobium-zirconium
contact2023314 · 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
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,
contact2021129 · 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,
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.
contact20071115 · The terminal solid solubility (TSS) of hydrogen in the Zr–2.5 wt. % Nb alloy has been determined by measuring the decomposition pressures of several Zr–2.5 wt.% Nb alloys containing hydrogen ...
contact2023316 · Zr Zirconium 91.224 41 Nb Niobium 92.90637 43 Tc Techne˜um 98 44 Ru Ruthenium 101.07 45 Rh Rhodium 102.90550 46 Pd Palladium 106.42 55 Cs ... Nb Niobium 92.90637 DESCRIPTION Niobium Refractory Metals and Alloys 0.31 8.60 4474 2468 15.1 363 52.3 Density Melting Point Specific Heat Capacity 0.065 3.94
contact2023314 · 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
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.
contact2018127 · With the aim of improving corrosion resistance of rod cladding for in-service and accident conditions, six new zirconium alloys (named N1–N6) have been designed. The contents of Sn and Nb were optimized for better behavior at high-temperature pressurized water, and Fe, Cr, V, Cu or Mo elements were added to the alloys to adjust
contactThe equilibrium concentrations of Nb, Zr, Mo, Ti, V, Ta, Fe, Be, Cr, and Ni in rubidium were determined over the temperature range 1000 to 2000 deg F. The corrosion of Mo--0.5 Ti, Nb-1 Zr, and Haynes-25 alloys and beryllium and vanadium metal by rubidium was determined at various temperatures from 1000 to 2000 deg F in 1000-hour tests.
contactAn alloy consisting of zirconium in the metallic niobium. The combined alloy has improved strength, oxidation resistance, and corrosion resistance to molten alkali metal. It is low strength and high ductility alloy. The most important niobium zirconium alloys are NB-1Zr and Nb-Zr10 alloys.
contact2023314 · Nb-50Ti; NbTi Superconductor; Niobium Single Crystal; Zr Alloys; Zr702; Zr-2; Zr-4; Zr-1Nb; Zr-2.5Nb; Rhenium; PGM; Ti Alloys; Ti-6Al-4V; Ti-0.2Pd; Ti-3Al-2.5V; Ti-0.3Mo-0.8Ni ... etc., which is far superior to other alloys in high-end fields such as aerospace applications. Specifically, the same tensile and fatigue strength, titanium alloy can ...
contactThese niobium alloys have high strength in the range of 1100~1400℃, such as the room temperature strength σb=300MPa and elongation δ=20% of Nb-0.3%ZrO2 (mass fraction) in the recrystallized state at 1300℃/1h; Strength σb=120MPa at 1200℃, elongation δ=36%. This type of niobium alloy has good working plasticity at room temperature and ...
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 ...
contact2023316 · Conventional Nb-based alloys often suffer from insufficient high-temperature strengths or poor room-temperature plasticity. Here we report a strategy to develop a novel Nb 2 MoWC 0.5 niobium alloy with a good strength-plasticity synergy by introducing eutectic NbC carbide. Microstructure characterization reveals that the as
contact20071115 · The terminal solid solubility (TSS) of hydrogen in the Zr–2.5 wt. % Nb alloy has been determined by measuring the decomposition pressures of several Zr–2.5 wt.% Nb alloys containing hydrogen ...
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
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
contact2000320 · To develop advanced structural materials at very high temperatures, ball milling followed by reactive hot pressing was employed to fabricate binary Nb/Nb-silicide in-situ composites with 3.5 to 16 mol% silicon content. Changes in morphology during milling of niobium and silicon elemental powders were studied, and microstructures and
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
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.
contact2020529 · The Zr–Nb alloys are widely used structural materials of modern nuclear power plants, where they undergo a significant neutron irradiation. In the present work, the cascades of atomic displacements in the Zr–n%Nb binary alloy (n = 0.5%, 1%, 1.5%, 2%, 2.5%, 3%) at temperatures 0 and 600K are studied by means of the molecular dynamics ...
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.
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 ...
contact2022610 · Citation: S. Starikov, and D. Smirnova (2021), "Optimized interatomic potential for atomistic simulation of Zr-Nb alloy", Computational Materials Science, 197, . ... This conclusion is illustrated by the results obtained for the alloys with different niobium concentrations: up to 7% in case of hcp alloys and up to 50% for bcc alloys.
contact2021622 · Niobium (Nb)-based alloys have been extensively used in the aerospace field owing to their excellent high-temperature mechanical properties. However, the inferior oxidation resistance severely limits the application of Nb-based alloys in a high-temperature, oxygen-enriched environment. Related scholars have extensively studied the oxidation
contact2023316 · Fig. 1 a, b show the XRD pattern and SEM-BSE images of the as-cast Nb 2 MoWC 0.5 alloy, which reveals a hypoeutectic microstructure composed of the primary BCC phase and fine eutectic structures consisting of the alternating BCC phase (lattice constant, a = 0.3211 nm) and NbC phase (face-centered-cubic (FCC), a = 0.4411 nm).
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
contact20111125 · the U-Zr-Nb alloy and U-Nn are used in α’’ phase. The stability of α’’ phase depends on the alloy composition and cooling rate. The alloy homogenization has to be very ... niobium sheets in an induction furnace with the use of graphite crucible under argon atmosphere. The materials stays melted during 10 to 12 minutes and subsequently it
contact2019122 · oxidized alloys showed which elements should be incorporated into the coating and their probable functions. As an example, the reaction products on oxidized Nb-A1-V alloys showed the absence of both aluminum and vanadium 3.2 N 6 2 2.4 E Y 0.8 0 0 10 20 30 40 ALLOY AODlTlON ( a/o) Figure 4(a) - Niobium Alloys are Not Oxidation
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
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