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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Atkinson, Michael
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2023The role of hydrides and precipitates on the strain localisation behaviour in a zirconium alloycitations
- 2023The role of hydrides and precipitates on the strain localisation behaviour in a zirconium alloycitations
- 2022A novel method for radial hydride analysis in zirconium alloys:HAPPycitations
- 2022A novel method for radial hydride analysis in zirconium alloyscitations
- 2022Slip activity during low-stress cold creep deformation in a near-α titanium alloycitations
- 2022Slip activity during low-stress cold creep deformation in a near-α titanium alloycitations
- 2021The Effect of Loading Direction on Slip and Twinning in an Irradiated Zirconium Alloycitations
- 2021Understanding the role of local texture variation on slip activity in a two-phase titanium alloycitations
- 2021Understanding the role of local texture variation on slip activity in a two-phase titanium alloycitations
- 2020A statistical study of the relationship between plastic strain and lattice misorientation on the surface of a deformed Ni-based superalloy
- 2020Comparison of sub-grain scale digital image correlation calculated using commercial and open-source software packagescitations
- 2020Measurement of local plastic strain during uniaxial reversed loading of nickel alloy 625
- 2019Characterisation of irradiation enhanced strain localisation in a zirconium alloycitations
- 2019Characterisation of irradiation enhanced strain localisation in a zirconium alloycitations
- 2019Identification of active slip mode in a hexagonal material by correlative scanning electron microscopycitations
- 2019Identification of active slip mode in a hexagonal material by correlative scanning electron microscopycitations
- 2019Comparing local deformation measurements to predictions from crystal plasticity during reverse loading of an aerospace alloy
- 2018On the ductility of alpha titanium: The effect of temperature and deformation modecitations
- 2018On the ductility of alpha titanium: The effect of temperature and deformation modecitations
Places of action
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article
Comparison of sub-grain scale digital image correlation calculated using commercial and open-source software packages
Abstract
High-resolution strain mapping is an increasingly prominent technique for characterising the deformation behaviour of metals. In this study, HRDIC analysis was performed on materials exhibiting either more or less intense planar slip, using different software packages to highlight any issues that might arise depending on the algorithm that is used to calculate the displacements. The differences between the algorithms were investigated using frequency distributions, strain profiling and Burgers vector direction analysis to determine their significance in terms of any subsequent interpretation of the data. A dilute zirconium alloy showed maximum strain concentrations of <4.5 and similar to previous comparison studies of different software packages on optical images, little difference was observed in the resulting strain maps. However, in a more highly alloyed two-phase titanium alloy with significant planar slip and strain values of up to 20 times the applied strain, one of the algorithms had difficulty tracking the features particularly at low strains when the difference between the strain in a slip trace is markedly higher than that in the neighbouring region. The consequences of inaccurate displacement data around a slip trace region were highlighted by an incorrect prediction of the Burgers vector when using the relative displacement ratio for slip system identification.