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| Naji, M. |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Kočí, Jan | Prague |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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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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Connolly, Brian
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Topics
Publications (13/13 displayed)
- 2023Validation of Deformation in Crystal Plasticity When Modelling 316H Stainless Steel for Use in Pressure Vessels
- 2023Microstructure Characterization of EU INCEFA-SCALE 316L Stainless Steel Fatigue Specimens – Mechanistic Understandingcitations
- 2020On the nature of precipitation in proton-irradiated reactor pressure vessel steel model alloys.
- 2019Corrosion behavior of active-screen plasma nitrided 17-4 PH (H1150D) steel in H2S/CO2 -containing environments
- 2017The Effect of Temperature and Carbonyl Sulphide on Carbon Deposition on 20Cr25Ni Stainless Steelcitations
- 2017Finite Element Modelling to Investigate the Mechanisms of CRUD Deposition in PWRcitations
- 2016Observation and simulation of indentation damage in a SiC-SiC fibre ceramic matrix compositecitations
- 2016Observation and simulation of indentation damage in a SiC-SiCfibre ceramic matrix compositecitations
- 2011Corrosion behaviour of banded microstructure within nugget of friction stir welds in AA2024-T351citations
- 2008In situ monitoring of corrosion processes within the bulk of AlMgSi alloys using X-ray microtomographycitations
- 2007Synchrotron X-ray microtomography study of the role of Y in corrosion of magnesium alloy WE43citations
- 2006Corrosion of a dissimiliar friction stir weld joining aluminium alloys AA2024 and AA7010citations
- 2006X-ray microtomography studies of localised corrosion and transitions to stress corrosion crackingcitations
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document
Validation of Deformation in Crystal Plasticity When Modelling 316H Stainless Steel for Use in Pressure Vessels
Abstract
The safety critical nature of high temperature/pressure power plants means that understanding the mechanical behaviour of materials used remains a priority. Current design and assessment codes are conservative due to the macroscale estimates used in their construction so to improve these standards the mesoscale should be taken into account. A commonly used method to simulate this lengthscale is crystal plasticity finite element (CPFE) which allows for efficient simulation of mesoscale phenomena. This paper presents and validates key components of a crystal plasticity model used to predict the deformation seen within 316-H stainless steel at elevated temperature. This validation is done by capturing intra-granular (type-III) stress profiles obtained using cross correlation of high resolution electron backscatter diffraction patterns (HR-EBSD) at different stages during loading to 3% plastic strain. Two exercises were performed to investigate the model's ability to predict the correct active slip systems and slip transmission across boundaries. The model was found to be able to correctly predict the most active slip system seen experimentally in 90% of grains. In addition to this the stress gradients observed near boundaries showed larger magnitudes at higher grain boundary misorientations in both the model and the experiment. The stress distributions explored matched between model and experiment for some boundaries but not all types. This may be due to the over simplification of the simulation geometry.