Investigating grid-to-rod fretting wear of nuclear fuel claddings using a unique autoclave fretting rig
TLDR
In this article, a unique autoclave fretting test rig was designed and fabricated to allow studying grid-to-rod fretting (GTRF) using actual cladding and grid materials.About:
This article is published in Wear.The article was published on 2018-10-15 and is currently open access. It has received 23 citations till now. The article focuses on the topics: Fretting & Nuclear reactor core.read more
Citations
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Journal ArticleDOI
A review of fretting study on nuclear power equipment
TL;DR: In this article, the research status of fretting damage in key equipment and structures of nuclear power plant is reviewed, and the authors have solved many problems, accumulated a lot of experience, and put forward many criteria.
Journal ArticleDOI
Effect of temperature on tribo-oxide formation and the fretting wear and friction behavior of zirconium and nickel-based alloys
TL;DR: In this article, a nickel-based alloy 718 against a zirconium alloy in the range 25-30°C was compared to room temperature, and it was found that the wear coefficient of ZrO2 increases significantly at a transition temperature Ttr ~250-260°C, which is consistent with published data.
Journal ArticleDOI
Understanding the fretting corrosion mechanism of zirconium alloy exposed to high temperature high pressure water
Xianglong Guo,Junqiang Lu,Ping Lai,Zhao Shen,Wenhua Zhuang,Zhong Han,Lefu Zhang,Sergio Lozano-Perez +7 more
TL;DR: In this article , high resolution characterization techniques are applied to study the microstructure and composition of the worn surface of zirconium alloys and the effects of corrosion on the fretting wear depend on the integrity of the oxide scale.
Journal ArticleDOI
A microstructure-based wear model for grid-to-rod fretting of clad nuclear fuel rods
TL;DR: In this article, the authors derived a microstructure-based interpretation of the fretting wear factor for use in an existing, multi-stage grid-to-rod-fretting (GTRF) wear model.
Journal ArticleDOI
Autoclave grid-to-rod fretting wear evaluation of a candidate cladding coating for accident-tolerant fuel
TL;DR: In this paper, the grid-to-Rod-fretting (GTRF) phenomenon was investigated using a unique bench-scale autoclave testing rig mimicking the environment in an industrial full-assembly PWR simulator.
References
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Journal ArticleDOI
The study on grid-to-rod fretting wear models for PWR fuel
TL;DR: In this paper, the impact of grid spring designs on the fretting wear rate was examined and three different models were developed to predict the fuel rod perforation times in commercial nuclear power plants.
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A multi-stage wear model for grid-to-rod fretting of nuclear fuel rods
TL;DR: In this paper, a closed-form analytical model based on published out-of-reactor wear and corrosion data and a set of simplifying assumptions is proposed to portray the conversion of frictional work into wear depth.
Journal ArticleDOI
Fretting-wear of zirconium alloys
TL;DR: Fretting tests of Zircaloy fuel sheath bearing pads in contact with zirconium alloy (Zr 2.5Nb) pressure tube specimens were conducted at temperatures varying from 25 to 315 °C as mentioned in this paper.
Journal ArticleDOI
On the fretting wear mechanism of Zr-alloys
M. Helmi Attia,M. Helmi Attia +1 more
TL;DR: In this paper, the authors investigated the fretting wear mechanism of Zr-2.5%Nb alloy in air at 265°C and measured the transfer of material, the change in the wear volume and the maximum wear depth with the number of cycles.
Journal ArticleDOI
A study on the grid-to-rod fretting wear-induced fuel failure observed in the 16×16KOFA fuel
TL;DR: In this paper, a wide spectrum of tests and some measurements were performed to find out root cause(s) of the grid-to-rod fretting wear-induced fuel failure.