Predicting dwell fatigue life in titanium alloys using modelling and experiment
Fatigue is a difficult multi-scale modelling problem nucleating from localised plasticity at the
scale of dislocations and microstructure with significant engineering safety implications …
scale of dislocations and microstructure with significant engineering safety implications …
Origin of age softening in the refractory high-entropy alloys
Refractory high-entropy alloys (RHEAs) are emerging materials with potential for use under
extreme conditions. As a newly developed material system, a comprehensive understanding …
extreme conditions. As a newly developed material system, a comprehensive understanding …
Evolution of Cr/Cr2O3 interface in Cr-coated zirconium alloy in high temperature steam
Y Wang, B Chen, XZ Wang, M Chen, S Li, G Bai, J Li… - Corrosion …, 2023 - Elsevier
textured Cr-coating was deposited on Zr-based nuclear fuel cladding and went through
steam oxidation at 1200° C. The formed Cr 2 O 3 layer exhibited thickening-thinning …
steam oxidation at 1200° C. The formed Cr 2 O 3 layer exhibited thickening-thinning …
New insights into the oxidation mechanisms of a Ferritic-Martensitic steel in high-temperature steam
The microstructure of the surface oxide film formed on an Fe-9Cr Ferritic-Martensitic (FM)
steel after exposure to deaerated high-temperature steam at 600° C for 100 h has been …
steel after exposure to deaerated high-temperature steam at 600° C for 100 h has been …
Mechanisms of austenite growth during intercritical annealing in medium manganese steels
The third-generation advanced high strength medium manganese (3–12 wt.%) steels
typically consist of ultrafine-grained dual-phase (austenite-ferrite) microstructure, obtained …
typically consist of ultrafine-grained dual-phase (austenite-ferrite) microstructure, obtained …
On the role of intergranular nanocavities in long-term stress corrosion cracking of Alloy 690
The life extension of nuclear power plants beyond 60-years relies on the integrity of the
steam generator tubes during the extended life. Alloy 690 steam generator tubes have been …
steam generator tubes during the extended life. Alloy 690 steam generator tubes have been …
Grain boundary serration in nickel alloy inconel 600: Quantification and mechanisms
The serration of grain boundaries in Inconel 600 caused by heat treatment is studied
systematically. A new method based on Fourier transforms is used to analyse the multiple …
systematically. A new method based on Fourier transforms is used to analyse the multiple …
Mechanism of the α-Zr to hexagonal-ZrO transformation and its impact on the corrosion performance of nuclear Zr alloys
Displacive transformations have been widely reported in metals, alloys and ceramics, but
rarely reported to be important in the aqueous corrosion of alloys. We report here our …
rarely reported to be important in the aqueous corrosion of alloys. We report here our …
Automated crystal orientation map** by precession electron diffraction-assisted four-dimensional scanning transmission electron microscopy using a scintillator …
The recent development of electron-sensitive and pixelated detectors has attracted the use
of four-dimensional scanning transmission electron microscopy (4D-STEM). Here, we …
of four-dimensional scanning transmission electron microscopy (4D-STEM). Here, we …
The role of β-Zr in a Zr-2.5 Nb alloy during aqueous corrosion: A multi-technique study
Abstract The Zr–2.5 Nb alloy is used as pressure tubes in Canadian Deuterium Uranium
(CANDU) nuclear reactors, and the typical starting microstructure consists of α-Zr grains …
(CANDU) nuclear reactors, and the typical starting microstructure consists of α-Zr grains …