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The dominant mechan...
The dominant mechanisms for the formation of solute-rich clusters in low-Cu steels under irradiation
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- Castin, N. (författare)
- Ctr Etud Energie Nucl SCK CEN, Studiectr Kernenergie, NMS Unit, Boeretang 200, B-2400 Mol, Belgium.
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- Bonny, G. (författare)
- Ctr Etud Energie Nucl SCK CEN, Studiectr Kernenergie, NMS Unit, Boeretang 200, B-2400 Mol, Belgium.
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- Bakaev, A. (författare)
- Ctr Etud Energie Nucl SCK CEN, Studiectr Kernenergie, NMS Unit, Boeretang 200, B-2400 Mol, Belgium.
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- Bergner, F. (författare)
- Helmholtz Zentrum Dresden Rossendorf, Inst Resource Ecol, POB 510119, D-01314 Dresden, Germany.
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- Domain, C. (författare)
- EDF R&D, Dept Mat & Mecan Composants MMC, F-77818 Les Renardieres, Moret Sur Loing, France.
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- Hyde, J. M. (författare)
- Culham Sci Ctr, Natl Nucl Lab, Abingdon OX14 3DB, Oxon, England.;Univ Oxford, Dept Mat, Parks Rd, Oxford OX1 3PH, England.
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- Messina, Luca, 1986- (författare)
- KTH,Kärnenergiteknik
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- Radiguet, B. (författare)
- Univ Rouen, Grp Phys Mat, BP 12, F-76801 St Etienne Du Rouvray, France.;INSA Rouen, CNRS, UMR 6634, BP 12, F-76801 St Etienne Du Rouvray, France.
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- Malerba, L. (författare)
- Ctr Etud Energie Nucl SCK CEN, Studiectr Kernenergie, NMS Unit, Boeretang 200, B-2400 Mol, Belgium.;Ctr Invest Energet Medioambientales & Tecnol CIEM, Avda Complutense 40, Madrid 28040, Spain.
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Ctr Etud Energie Nucl SCK CEN, Studiectr Kernenergie, NMS Unit, Boeretang 200, B-2400 Mol, Belgium Helmholtz Zentrum Dresden Rossendorf, Inst Resource Ecol, POB 510119, D-01314 Dresden, Germany. (creator_code:org_t)
- Elsevier BV, 2020
- 2020
- Engelska.
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Ingår i: Materials Today Energy. - : Elsevier BV. - 2468-6069. ; 17
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The formation of nano-sized, coherent, solute-rich clusters (NSRC) is known to be an important factor causing the degradation of the macroscopic properties of steels under irradiation. The mechanisms driving their formation are still debated. This work focuses on low-Cu reactor pressure vessel (RPV) steels, where solute species are generally not expected to precipitate. We rationalize the processes that take place at the nanometer scale under irradiation, relying on the latest theoretical and experimental evidence on atomic-level diffusion and transport processes. These are compiled in a new model, based on the object kinetic Monte Carlo (OKMC) technique. We evaluate the relevance of the underlying physical assumptions by applying the model to a large variety of irradiation experiments. Our model predictions are compared with new experimental data obtained with atom probe tomography and small angle neutron scattering, complemented with information from the literature. The results of this study reveal that the role of immobilized self-interstitial atoms (SIA) loops dominates the nucleation process of NSRC.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Metallurgi och metalliska material (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Metallurgy and Metallic Materials (hsv//eng)
Nyckelord
- Solutes precipitation
- Kinetic Monte Carlo
- Atom probe tomography
- Hardening and embrittlement
- Reactor pressure vessel steel
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- ref (ämneskategori)
- art (ämneskategori)
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Castin, N.
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Bonny, G.
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Bakaev, A.
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Bergner, F.
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Domain, C.
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Hyde, J. M.
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visa fler...
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Messina, Luca, 1 ...
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Radiguet, B.
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Malerba, L.
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