Orientation-Dependent Tensile Flow Behavior of Zircaloy-4 at Room Temperature
Sign Up to like & getrecommendations! Published in 2018 at "Metallography, Microstructure, and Analysis"
DOI: 10.1007/s13632-018-0463-0
Abstract: Present work describes a correlation between texture and sample orientation-based flow parameters of three different zircaloy-4 sheet materials. The three different sheet materials [slab route sheet (SRS), tube route sheet (TRS) and low-oxygen sheet (LOS)]… read more here.
Keywords: sheet; zircaloy; flow behavior; orientation ... See more keywords
A microstructure-based modeling approach to predict the mechanical properties of Zr alloy with hydride precipitates
Sign Up to like & getrecommendations! Published in 2021 at "Computational Materials Science"
DOI: 10.1016/j.commatsci.2021.110654
Abstract: Abstract In nuclear reactors, hydrides can form in fuel cladding due to hydrogen absorption in Zircaloy and cause embrittlement. This work presents a microstructure-based finite element model to predict the stress–strain response of Zircaloy containing… read more here.
Keywords: microstructure based; mechanical properties; zircaloy; based modeling ... See more keywords
A novel mechanism for nodular corrosion of Zircaloy-4 corroded in 773 K superheated steam
Sign Up to like & getrecommendations! Published in 2017 at "Corrosion Science"
DOI: 10.1016/j.corsci.2017.06.007
Abstract: Abstract Corrosion resistance of Zircaloy-4 plate specimens in 773 K/10.3 MPa superheated steam is anisotropic. The rolling surface (S N ) mainly suffers uniform corrosion, while the surface perpendicular to transversal direction (S T ) and the… read more here.
Keywords: zircaloy; nodular corrosion; novel mechanism; corrosion ... See more keywords
Modelling and experimental analysis of the effect of solute iron in thermally grown Zircaloy-4 oxides
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Nuclear Materials"
DOI: 10.1016/j.jnucmat.2018.06.029
Abstract: Abstract Simulations based on density functional theory (DFT) were used to investigate the behaviour of substitutional iron in both tetragonal and monoclinic ZrO2. Brouwer diagrams of predicted defect concentrations, as a function of oxygen partial… read more here.
Keywords: zircaloy; thermally grown; analysis; oxidation state ... See more keywords
The effect of cooling rate and grain size on hydride microstructure in Zircaloy-4
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Nuclear Materials"
DOI: 10.1016/j.jnucmat.2018.11.011
Abstract: Abstract We explore the distribution, morphology and structure of zirconium hydrides formed using different cooling rates through the solid state Zr+[H] → Zr + hydride transus, in fine and blocky alpha Zircaloy-4. We observe that cooling rate… read more here.
Keywords: rate grain; zircaloy; grain size; cooling rate ... See more keywords
Anisotropic hydrogen diffusion in α-Zr and Zircaloy predicted by accelerated kinetic Monte Carlo simulations
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep41033
Abstract: This report presents an accelerated kinetic Monte Carlo (KMC) method to compute the diffusivity of hydrogen in hcp metals and alloys, considering both thermally activated hopping and quantum tunneling. The acceleration is achieved by replacing… read more here.
Keywords: zircaloy; diffusion; hydrogen; hydrogen diffusion ... See more keywords
Machining and optimization of Zircaloy-2 using different tool electrodes
Sign Up to like & getrecommendations! Published in 2021 at "Materials and Manufacturing Processes"
DOI: 10.1080/10426914.2021.1905829
Abstract: ABSTRACT To explore machining parameters for tool wear rate, surface roughness, and material removal rate, Zircaloy-2 was machined with EDM using Cu, CuW and graphite tool. Taguchi L18 Design was used to perform experiments with… read more here.
Keywords: machining optimization; zircaloy; using different; zircaloy using ... See more keywords
Fabrication of Uniform Nanoporous Oxide Layers on Long Cylindrical Zircaloy Tubes by Anodization Using Multi-Counter Electrodes
Sign Up to like & getrecommendations! Published in 2017 at "Nanoscale Research Letters"
DOI: 10.1186/s11671-016-1774-1
Abstract: We have presented a method to prepare a uniform anodic nanoporous oxide film on the surface of a cylindrical zircaloy (Zr) tube. The distribution of the electric field around the Zr tube determines the distribution… read more here.
Keywords: zircaloy; counter electrodes; cylindrical zircaloy; nanoporous oxide ... See more keywords