Topic
Zirconium alloy
About: Zirconium alloy is a research topic. Over the lifetime, 6548 publications have been published within this topic receiving 78954 citations. The topic is also known as: zircaloy.
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TL;DR: In this paper, the authors considered several corrosion mechanisms in the light of the kinetics of Zircaloy-2, -3, and low nickel Zirca-2.
Abstract: The weight gain of Zircaloy-2, -3, and low nickel Zircaloy-2 during water and steam corrosion is shown to go through two or more repetitive cycles. It is assumed the weight gain curves truly represent the corrosion kinetics. Several corrosion mechanisms are considered in the light of the kinetics. No definite mechanism can be established as correct with the present data; however, a supposition that stresses in the film periodically cause it to crack at or near the oxide-metal interface appears consistent with the data. (auth)
37 citations
TL;DR: A comprehensive review of the literature concerning zirconium and hafnium can be found in this paper, which takes the reader up to about 1960, although references to earlier work are included where necessary to complete the picture.
Abstract: Publisher Summary There are several complete compilations of the literature concerning zirconium and hafnium that take the reader up to about 1960. Since then several reviews of more limited scope have been published, one on the structural aspects of zirconium chemistry, and others on the separation of zirconium and hafnium aqueous chemistry , and ion-exchange properties of zirconium compounds. In general, the data in the present review are drawn from publications since 1960, although references to earlier work are included where necessary to complete the picture. The discovery that the thermal-neutron cross-section capture of zirconium containing the natural 2% hafnium content was largely due to the very high thermal-neutron cross section of the hafnium stimulated the present interest in the chemical and physical properties of these elements. The use of hafnium-free zirconium alloys for cladding nuclear fuels and the use of hafnium for control rods in nuclear reactors account for the fact that much of the recent literature deals with the reduction, purity, working properties, and alloy formation of these elements.
37 citations
TL;DR: In this paper, X-ray photo-electron spectroscopy has been used to examine spontaneously passivated films formed on sputter-deposited CrZr alloys in 6 M HCl solution open to air at 30 °C for a better understanding of the high corrosion resistance of these alloys.
37 citations
TL;DR: In this article, Brouwer diagrams of the defect populations with respect to oxygen partial pressure were calculated and presented in the form of brouwerwer diagram, showing that low oxidation state Nb ions (2+ or 3+) charge balance the build-up of positive space charge in the oxide layer, increasing oxygen vacancy and electron mobility, leading to near-parabolic corrosion kinetics and a reduced hydrogen pick-up.
37 citations
01 Jan 1993
TL;DR: The new, lower modulus materials Ti-13Nb-13Zr and Zr-2.5 Nb, and nitrogen hardened Ti-6Al-4V appear to have a similar or superior bone response to CoCr alloy when implanted in the rabbit tibia model.
37 citations