Impact of interstitial impurities on the trapping of dislocation loops in tungsten

Autor: Alexander Bakaev, Giovanni Bonny, Nicolas Castin, Dmitry Terentyev, Viktor A. Bakaev

Publikováno v: Scientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)

Abstract Ab initio simulations are employed to assess the interaction of typical interstitial impurities with self-interstitial atoms, dislocation loops and edge dislocation lines in tungsten. These impurities are present in commercial tungsten grade

Externí odkaz: https://doaj.org/article/0cc619ad3d234ae88143c0da9cd5047a

Effect of radiation defects on the early stages of nanoindentation tests in bcc Fe and Fe-Cr alloys

Autor: Alexander Bakaev, Junlei Zhao, Dmitry Terentyev, Giovanni Bonny, Nicolas Castin, Antti Kuronen, Nikolai Kvashin, Kai Nordlund, Viktor A. Bakaev, Igor G. Golikov

Publikováno v: Computational Materials Scienc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4da1e4b2c6379fc03b504eb832d00eda

Physical mechanisms and parameters for models of microstructure evolution under irradiation in Fe alloys – Part I: Pure Fe

Autor: N. Anento, C.J. Ortiz, Anna Serra, Charlotte Becquart, Christophe Domain, C. Guerrero, J.P. Balbuena, Nicolas Castin, Maria J. Caturla, B. Pannier, Lorenzo Malerba

Publikováno v: RUA. Repositorio Institucional de la Universidad de Alicante
Universidad de Alicante (UA)
Nuclear Materials and Energy
Nuclear Materials and Energy, Elsevier, 2021, Nuclear Materials and Energy, pp.101069. ⟨10.1016/j.nme.2021.101069⟩
Nuclear Materials and Energy, 2021, Nuclear Materials and Energy, 29, pp.101069. ⟨10.1016/j.nme.2021.101069⟩
Nuclear Materials and Energy, Vol 29, Iss, Pp 101069-(2021)
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

This paper is the first of three that overview the main mechanisms that drive the microstructure evolution in Fe alloys under irradiation. It focuses on pure a-Fe and compiles the parameters that describe quantitatively the mobility and stability of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2ea00db3d717df03c76f72cdf3169496
https://hdl.handle.net/10045/118689

Radiation induced solute clustering in high-Ni reactor pressure vessel steel

Autor: Nicolas Castin, Lorenzo Malerba, I. Uytdenhouwen, Pål Efsing, M.J. Konstantinović, Giovanni Bonny

Publikováno v: Acta Materialia. 179:183-189

The thermal stability and the structure of solute-vacancy clusters formed by neutron irradiation are studied by means of positron annihilation spectroscopy and hardness measurements of post-irradiation annealed reactor pressure vessel steels with hig

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::992883090182d204b14883d9c036803b
https://doi.org/10.1016/j.actamat.2019.08.028

A DFT-driven multifidelity framework for constructing efficient energy models for atomic-scale simulations

Autor: Mihai-Cosmin Marinica, Luca Messina, Giovanni Bonny, Alexandra Goryaeva, Alessio Quaglino, Christophe Domain, Rolf Krause, Nicolas Castin

Publikováno v: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Elsevier, 2020, 483, pp.15-21. ⟨10.1016/j.nimb.2020.09.011⟩
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2020, 483, pp.15-21. ⟨10.1016/j.nimb.2020.09.011⟩

The reliability of atomistic simulations depends on the quality of the underlying energy models providing the source of physical information, for instance for the calculation of migration barriers in atomistic Kinetic Monte Carlo simulations. Accurat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0cc05caed7742bf55406d959ce015363
https://hal.archives-ouvertes.fr/hal-03159191