Alistair Garner
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View article: Grain size assessment using EBSD on heterogeneous additively manufactured microstructures
Grain size assessment using EBSD on heterogeneous additively manufactured microstructures Open
Grain microstructures are important for a whole range of materials properties. With the widespread use of additive manufacturing (AM), current standards for grain boundary evaluation, such as ASTM E2627-13, may not be fit for purpose due t…
View article: Exploration of fs-laser ablation parameter space for 2D/3D imaging of soft and hard materials by tri-beam microscopy
Exploration of fs-laser ablation parameter space for 2D/3D imaging of soft and hard materials by tri-beam microscopy Open
Tri-beam microscopes comprising a fs-laser beam, a Xe+ plasma focused ion beam (PFIB) and an electron beam all in one chamber open up exciting opportunities for site-specific correlative microscopy. They offer the possibility of rapid abla…
View article: Untangling competition between epitaxial strain and growth stress through examination of variations in local oxidation
Untangling competition between epitaxial strain and growth stress through examination of variations in local oxidation Open
Understanding corrosion mechanisms is of importance for reducing the global cost of corrosion. While the properties of engineering components are considered at a macroscopic scale, corrosion occurs at micro or nano scale and is influenced …
View article: Microstructural characterisation and mechanical properties of Ti-5Al-5V-5Mo-3Cr built by wire and arc additive manufacture
Microstructural characterisation and mechanical properties of Ti-5Al-5V-5Mo-3Cr built by wire and arc additive manufacture Open
The as-deposited microstructure and mechanical properties of the near-β titanium alloy Ti-5Al-5V-5Mo-3Cr (Ti-5553) produced by wire-arc additive manufacture (WAAM) were investigated, to understand its microstructural evolution under WAAM d…
View article: Understanding the environmentally assisted cracking (EAC) initiation and propagation of new generation 7xxx alloys using slow strain rate testing
Understanding the environmentally assisted cracking (EAC) initiation and propagation of new generation 7xxx alloys using slow strain rate testing Open
New generation (new-gen) 7xxx series alloys have recently been shown to have higher susceptibility to environmental assisted cracking (EAC) in humid air, compared to AA7050, in T7651 tempers. Hydrogen (H)-EAC fracture features of brittle i…
View article: Untangling competition between epitaxial strain and growth stress through examination of variations in local oxidation
Untangling competition between epitaxial strain and growth stress through examination of variations in local oxidation Open
Understanding oxide formation during corrosion of high-performance alloys in harsh environments is of great fundamental and industrial interest and provides a potential route for reducing the significant annual cost of corrosion globally. …
View article: CALPHAD-informed phase-field modeling of grain boundary microchemistry and precipitation in Al-Zn-Mg-Cu alloys
CALPHAD-informed phase-field modeling of grain boundary microchemistry and precipitation in Al-Zn-Mg-Cu alloys Open
The grain boundary (GB) microchemistry and precipitation behaviour in high-strength Al-Zn-Mg-Cu alloys has an important influence on their mechanical and electrochemical properties. Simulation of the GB segregation, precipitation, and solu…
View article: CALPHAD-informed phase-field modeling of grain boundary microchemistry and precipitation in Al-Zn-Mg-Cu alloys
CALPHAD-informed phase-field modeling of grain boundary microchemistry and precipitation in Al-Zn-Mg-Cu alloys Open
The grain boundary (GB) microchemistry and precipitation behaviour in high-strength Al-Zn-Mg-Cu alloys has an important influence on their mechanical and electrochemical properties. Simulation of the GB segregation, precipitation, and solu…
View article: Co-deformation and dynamic annealing effects on the texture development during alpha–beta processing of a model Zr-Nb alloy
Co-deformation and dynamic annealing effects on the texture development during alpha–beta processing of a model Zr-Nb alloy Open
The in-service properties and performance of dual-phase Zr and Ti alloys depend on their crystallographic texture, which develops during hot-working and is affected by interactions between the α and β phases during deformation, annealing a…
View article: Dataset for paper entitled, 'Isomorphic grain inoculation in Ti-6Al-4V during additive manufacturing'
Dataset for paper entitled, 'Isomorphic grain inoculation in Ti-6Al-4V during additive manufacturing' Open
Dataset for paper entitled, 'Isomorphic grain inoculation in Ti-6Al-4V during additive manufacturing'. Abstract: The potential for using isomorphic inoculation (ISI) to grain refine titanium alloys in additive manufacturing was investigate…
View article: Dataset for paper entitled, 'Isomorphic grain inoculation in Ti-6Al-4V during additive manufacturing'
Dataset for paper entitled, 'Isomorphic grain inoculation in Ti-6Al-4V during additive manufacturing' Open
Dataset for paper entitled, 'Isomorphic grain inoculation in Ti-6Al-4V during additive manufacturing'. Abstract: The potential for using isomorphic inoculation (ISI) to grain refine titanium alloys in additive manufacturing was investigate…
View article: Environmental cracking performance of new generation thick plate 7000-T7x series alloys in humid air
Environmental cracking performance of new generation thick plate 7000-T7x series alloys in humid air Open
The hydrogen environmentally-assisted cracking (HEAC) behaviour of new generation (new-gen) Al-Zn-Mg-Cu thick-plate alloys (AA7449, AA7085, and AA7037), under accelerated humid warm-air exposure, has been compared to the aerospace industry…
View article: Co-deformation and dynamic annealing effects on the texture development during alpha–beta processing of a model Zr-Nb alloy
Co-deformation and dynamic annealing effects on the texture development during alpha–beta processing of a model Zr-Nb alloy Open
A preprint of a journal paper submitted to Acta Materialia on 7th May 2020. Abstract: The in-service properties and performance of dual-phase Zr and Ti alloys depend on their crystallographic texture, which develops during hot-working and …
View article: 3D EBSD Dataset of the Alpha and Beta Phase Orientations for a Hot-Rolled Model Zircaloy-4 with 7 wt.% Nb Alloy
3D EBSD Dataset of the Alpha and Beta Phase Orientations for a Hot-Rolled Model Zircaloy-4 with 7 wt.% Nb Alloy Open
A set of serial-section electron backscatter diffraction (EBSD) data files and a 3D reconstruction of a model Zircaloy-4 with 7 wt.% Nb addition alloy following hot-rolling. The 3D data set contains measurements of the material rolled at 7…
View article: 3D EBSD Dataset of the Alpha and Beta Phase Orientations for a Hot-Rolled Model Zircaloy-4 with 7 wt.% Nb Alloy
3D EBSD Dataset of the Alpha and Beta Phase Orientations for a Hot-Rolled Model Zircaloy-4 with 7 wt.% Nb Alloy Open
A set of serial-section electron backscatter diffraction (EBSD) data files and a 3D reconstruction of a model Zircaloy-4 with 7 wt.% Nb addition alloy following hot-rolling. The 3D data set contains measurements of the material rolled at 7…
View article: Novel Methods for Recording Stress-Strain Curves in Proton Irradiated Material
Novel Methods for Recording Stress-Strain Curves in Proton Irradiated Material Open
Proton irradiation is often used as a proxy for neutron irradiation but the irradiated layer is typically <50 μm deep; this presents a problem when trying to obtain mechanical test data as a function of irradiation level. Two novel methodo…
View article: Initiation and short crack growth behaviour of environmentally induced cracks in AA5083 H131 investigated across time and length scales
Initiation and short crack growth behaviour of environmentally induced cracks in AA5083 H131 investigated across time and length scales Open
Environmentally induced cracking (EIC) in a sensitized high-strength AA5083 H131 alloy has been investigated using time-lapse synchrotron X-ray computed tomography combined with post-mortem correlative characterization. Small corrosion fea…