Caractérisation de la microstructure et des mécanismes à haute température dans un alliage Nb-Ti-Si

Autor: David Reyes, Virgil Malard, Stefan Drawin, Alain Couret, Jean-Philippe Monchoux

Publikováno v: Intermetallics
Intermetallics, 2022, 144, pp.107509. ⟨10.1016/j.intermet.2022.107509⟩

International audience; The deformation mechanisms of an Nb–20Si–25Ti–6Al–3Cr–3Mo alloy deformed in compression at 1000 ◦C and at a strain rate of 10−4 s−1 have been investigated, using focused ion beam and transmission electron micro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eadc38adf78806cab82a7fb47b92c863
https://hal.science/hal-03588670/file/DMAS21126_PostPrint.pdf

Croissance EJM et caractérisation de Zn3N2 et Mg3N2 : de l’épitaxie à la science des matériaux

Autor: John, Philipp Maximilian

Publikováno v: Other [cond-mat.other]. Université Côte d'Azur, 2021. English. ⟨NNT : 2021COAZ4045⟩

Cubic group II-nitride materials are almost unknown in the scientific community, even though many of them consists of earth-abundant elements. Zn3_ N2_ and Mg3_ N2_, for instance, are non-toxic and have band gaps of around 1 eV and 3 eV, respectively

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::8ca18cee77b0249cac84336b3e4200d8
https://tel.archives-ouvertes.fr/tel-03507255

Caractérisation des effets de surface, de désordre et d'empilement de feuillets dans le MXène Ti₃C₂Tₓ par microscopie électronique en transmission

Autor: Bilyk, Thomas

Publikováno v: Matériaux. Université de Poitiers, 2021. Français. ⟨NNT : 2021POIT2260⟩

Surface chemistry, disorder and stacking effects play majors roles in the MXenes properties. Hence, characterizing those effects on the MXene electronic structure represents a fundamental concern for the study of these materials. Transmission electro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::d0d1f67b991ec946f6979905c54514a0
https://tel.archives-ouvertes.fr/tel-03185547

Modeling gas-driven microstructural evolution in ODS-EUROFER steel by high dose helium and hydrogen ion implantation

Autor: Emelianova, Olga

Publikováno v: Condensed Matter [cond-mat]. Université Paris-Saclay; National Research Nuclear University MEPhI (Moscou), 2020. English. ⟨NNT : 2020UPASP056⟩

Oxide dispersion strengthened (ODS) ferritic-martensitic steels are advanced high-performance structural materials for next generation nuclear and fusion facilities. An important issue for operation performance of these steels is their resistance to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::f0c8a2e2dcadd4519a272c5f11f90248
https://tel.archives-ouvertes.fr/tel-03510386/document

Etude expérimentale des cinétiques de diffusion et de la ségrégation induite sous irradiation d'alliages modèles et industriel austénitiques

Autor: Rouland, Solene

Publikováno v: Matériaux. Normandie Université, 2020. Français. ⟨NNT : 2020NORMR050⟩

Radiation induced segregation (RIS) is a process identified to be involved in most of the degradation mechanisms of austenitic stainless steels core components of nuclear reactors. During irradiation within the operating temperature range of present

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::e69dc9a903573fe40e16b464caa70d3e
https://theses.hal.science/tel-03128646