The effect of niobium on the microstructural evolution of zirconium ...

microstructural evolution of zirconium alloys during proton irradiation. A ... probe the effect of Nb on the corrosion properties of Zr alloys. They ...

Zirconium alloys are used in nuclear light water reactor fuel assemblies and are subject to varying doses of irradiation. This can lead to components growing at ...

The Effect of Niobium on the Mechanical and Thermodynamic ...

The alloy element Nb plays an important role in improving the performance of zirconium alloys in nuclear reactors. The effect mechanism of Nb doping on ...

Effect of niobium alloying on the microstructure, phase stability and ...

Hardness increased with increasing Nb addition due to increasing Laves phase fraction. •. Improved properties after aging due to precipitation ...

Effect of Nb content on the evolution of β-Zr and Mo 2 Zr phase in Zr ...

A Zr based alloy has been developed with a β phase (BCC) dominated microstructure by adding Nb and Mo as alloying elements. Effect of Nb has ...

In Situ TEM Study of Microstructure Evolution of Zr-Nb-Fe Alloy ...

Kr2+ ion irradiation induced the growth of β-Nb precipitates, which could be attributed to the segregation of the dissolved niobium atoms in the ...

Full article: Effects of alloying elements (Sn, Nb, Cr, and Mo) on the ...

Therefore, the low-Sn zirconium alloys (low-Sn Zircaloy-4, ZirloTM) or Zr–Nb alloys without Sn (M5TM), at present, are widely used as commercial fuel cladding ...

Investigation on microstructural evolution and hardening mechanism ...

H. L. Yang et al. reported that the doping of Nb into Zr gave rise to a refined grain size in higher Nb-containing alloys, and the hardness increased with an ...

Microstructural evolution in zirconium based alloys | Request PDF

... It is known that the β phase in Zr-Nb alloys can be transformed into an α-phase, 13 a Widmanstätten α-phase, 14, ...

Microstructural Evolution of Zr1NbxSnyFe Alloys Irradiated in a PWR ...

Previous studies have detailed microstructural changes of zirconium alloys under irradiation and have underlined the influence of these changes on oxidation ...

Effects of molybdenum on microstructural evolution and mechanical ...

The Zr–Nb alloys were modified by doping of Mo as a minor alloying element to seek for the nuclear fuel cladding materials with better characteristics.

Microstructural evolution in (α + βZr) region of Zr-2.5 wt% Nb ... - OUCI

Microstructural evolution in (α + βZr) region of Zr-2.5 wt% Nb annealed at different temperatures: Effect on mechanical properties ... Authors: Y. Pushpalatha ...

Effects of Microstructural Factors on Irradiation Growth in Zirconium ...

The irradiation growth mechanism of Zr-Nb alloys has been evaluated on the basis of a growth model in which point defect parameters obtained by molecular ...

Effect of tungsten and zirconium on structure and properties of niobium

The individual and combined effects of W and Zr additions on macrostructure, microstructure and mechanical properties of Nb have been ...

Influence of Nb addition on microstructural evolution and ...

The results reveal that Nb-containing Ti-Zr alloys transformed from single α phase → α + α″ + β phase → single β phase → double β phases with increasing Nb ...

Evolution of Through-Thickness Texture and Microstructure of an ...

... Nb-Cu and Nb-Zr nanolaminates mostly for nuclear applications. To the best of the authors' knowledge, pure niobium or niobium alloy ARB ...

Influence of B and Zr on Microstructure and Mechanical Properties of ...

Their nominal chemical compositions are given in Table I. The Nb concentration of alloy 1 was taken in the limits of the ASTM specification and SAE AMS for.

EFFECT OF ISOTHERMAL AND ISOCHRONAL AGING ON THE ...

EFFECT OF ISOTHERMAL AND ISOCHRONAL AGING ON THE MICROSTRUCTURE AND PRECIPITATE EVOLUTION IN BETA-QUENCHED N36 ZIRCONIUM ALLOY.

MICROSTRUCTURAL STUDIES ON STEAM OXIDISED Zr-2.5%Nb ...

53. Gives data on : 60. Abstract: Study of the microstructural evolution of Zr-2 5%Nb pressure tube material of Indian Pressurized.

Effect of Nb on Microstructural Characteristics of Ti-Nb-Ta-Zr Alloy ...

The effects of several commonly used heat treatment schemes on the microstructures of two Ti–Nb–Ta–Zr alloys aimed at biomedical applications were studied ...