This article focuses on the electrorefining process in molten fluorides to selectively recover zirconium from one Zr-based metallic alloy involved in the field of nuclear energy: Zircaloy-4. Firstly, zirconium electro...
Nanoparticles are extensively introduced to improve the mechanical,physical,and chemical properties of alloys.In the present study,the underlying nano-refinement mechanisms of face-centered cubic Zr(Fe,Cr)_(2)secondar...
The authors appreciate Dr.Jinmin Liu and Dr.Xiaolan Wang for TEM measurements.
Mechanism of FCC→HCP reverse phase transformation in face-centered cubic zirconium(FCC-Zr)along with a concomitant 70.5°rotation ofα-Zr matrix were investigated in zircaloy-4(Zr-4)cladding tube by using transmissio...
Corrosion re sistance of Zircaloy-4 alloy tube in superheated steam at 673 K/10.3 MPa is anisotropic.A part of the surface undergoes uniform corrosion while the other suffers nodular corrosion.Narrow and wide nodules ...
BRNS,Bombay for their financial grant to this work through grant No.BRN-577-MMD
The mechanical properties and microstructural evolution of zircaloy-4 subjected to cumulative strains of 1.48,2.96,4.44 and 5.91 through multiaxial forging(MAF) at cryogenic temperature(77 K) were investigated.The...
financially supported by the National Natural Science Foundation of China (Nos. 51171102 and 51271104)
The microstructures of the oxide layers formed on near (0001) plane of Zircaloy-4 were investigated by autoclave tests at 360 ℃ in lithiated aqueous solution. Oxygen-rich regions with hcp structure were observed at...
financially supported by the National Natural Science Foundation of China (No. 51171102)
The effect of surface state on the nodular corrosion resistance of Zircaloy-4 alloy was investigated in super- heated steam at 500 ℃/10.3 MPa by autoclave tests. The microstructures of oxide films on the corroded spe...
Project supported by the National Basic Research Program of China(Grant No.2011CB610501);the Funds from the State Key Laboratory of Surface and Chemistry,China(Grant No.SPC 201102);the Reactor Fuel and Materials Laboratory,China(Grant No.STRFML-2013-05)
In this work, hydrogen absorption and the permeation behavior of the passive layer formed on zircaloy-4 are in- vestigated. Potentiodynamic polarization, Mott-Schottky analysis, electrochemical impedance spectroscopy,...
Project supported by the Key Laboratory of Neutron Physics of China Academy of Engineering Physics(Grant No.2012AB02);the Fundamental Research Funds for the Central Universities of China(Grant No.ZYGX2012YB017);the Major Program of the National Natural Science Foundation of China(Grant No.91126001)
The microstructural evolution of zircaloy-4 was studied, including the amorphization and recrystallization of Zr(Fe, Cr)2 precipitates, and the density of dislocations under in situ Ne ion irradiation and post annea...
The zircaloy-4 is an alloy of zirconium, which has a very weak thermal neutron absorption, satisfactory mechanical properties and good corrosion resistance at high temperature. For these reasons, zircaloy-4 is used as...