Partitioning of Solutes at Crystal Defects in Borides After Creep and Annealing in a Polycrystalline Superalloy
| العنوان: | Partitioning of Solutes at Crystal Defects in Borides After Creep and Annealing in a Polycrystalline Superalloy |
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| المؤلفون: | Aleksander Kostka, Sammy Tin, Stoichko Antonov, Lola Lilensten, Baptiste Gault, Sylvie Lartigue-Korinek, Paraskevas Kontis |
| المساهمون: | Institut de Recherche de Chimie Paris (IRCP), Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Ministère de la Culture (MC), Ruhr University Bochum (RUB), Institut de Chimie et des Matériaux Paris-Est (ICMPE), Institut de Chimie du CNRS (INC)-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Centre National de la Recherche Scientifique (CNRS), Max Planck Institute für Eisenforschung (MPIE), Illinois Institute of Technology (IIT), Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Ministère de la Culture (MC) |
| المصدر: | JOM Journal of the Minerals, Metals and Materials Society JOM Journal of the Minerals, Metals and Materials Society, Springer Verlag (Germany), 2021, 73, pp.2293-2302. ⟨10.1007/s11837-021-04736-5⟩ |
| بيانات النشر: | HAL CCSD, 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | Materials science, phase transformation, Annealing (metallurgy), 02 engineering and technology, Atom probe, coarsening, 01 natural sciences, creep, law.invention, Tetragonal crystal system, superalloy, law, 0103 physical sciences, solute partitioning, General Materials Science, Composite material, faulted planes, stacking faults, 010302 applied physics, crystal defect, Boride, General Engineering, 021001 nanoscience & nanotechnology, Crystallographic defect, segregation, Superalloy, Creep, [PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci], Orthorhombic crystal system, Crystallite, 0210 nano-technology, dislocations |
| الوصف: | International audience; We have investigated the partitioning of solutes at crystal defects in intergranular Cr-rich M2B borides after creep at 850°C/185MPa and annealing at 850°C for approximately 3000 hours in a polycrystalline nickel-based superalloy. Borides were found to coarsen in both cases, with the borides after creep to be the thickest (800-1100nm), compared to borides annealed in the absence of external applied load (400-600nm). Transmission electron microscopy revealed that the coarsened borides have either a tetragonal I4/mcm structure, or an orthorhombic Fddd, with those two structures coexisting in a single particle. The presence of a very high density of planar faults is systematically 2 observed within the coarsened borides. The faults were correlated with chemical fluctuations of B and Cr, revealed by atom probe tomography. In addition, partitioning of Ni and Co was observed at dislocations within the borides after creep providing insights into the deformation of borides. |
| اللغة: | English |
| تدمد: | 1047-4838 |
| DOI: | 10.1007/s11837-021-04736-5⟩ |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86140735b249348a9914e3860d44d837 https://hal.archives-ouvertes.fr/hal-03435740 |
| Rights: | CLOSED |
| رقم الانضمام: | edsair.doi.dedup.....86140735b249348a9914e3860d44d837 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 10474838 |
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| DOI: | 10.1007/s11837-021-04736-5⟩ |