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01.10.2023 | STRUCTURE, PHASE TRANSFORMATIONS, AND DIFFUSION

Study of the Al–Sc Solid Solution Decomposition during Annealing of Strained Al–0.5% Mg–Sc Alloys

verfasst von: I. S. Shadrina, A. V. Nokhrin, A. A. Bobrov, O. G. Krutova, E. O. Shishulin, G. V. Shcherbak, V. I. Kopylov, V. N. Chuvil’deev, E. S. Smirnova, N. Yu. Tabachkova

Erschienen in: Physics of Metals and Metallography | Ausgabe 10/2023

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Abstract

Results of investigations of the kinetics of solid solution decomposition during annealing of fine-grained (FG) Al–0.5% Mg–Sc conductor alloys with different scandium contents are reported. The alloys are prepared by induction casting, and the FG microstructure is formed by equal-channel angular pressing. The kinetics of solid solution decomposition is studied by electrical resistivity and microhardness measurements. The results are analyzed using the Johnson–Mehl–Avrami–Kolmogorov equation. It is shown that, after annealing of the UF alloys, the precipitation of Al₃Sc particles at lattice dislocation cores is observed, and discontinuous decomposition of scandium solid solution in aluminum occurs.

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Nächster Artikel Effect of the Mechanical Activation Time on the Density of Fine-Grained 90W–7Ni–3Fe Alloy Synthesized by Spark Plasma Sintering

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Titel: Study of the Al–Sc Solid Solution Decomposition during Annealing of Strained Al–0.5% Mg–Sc Alloys
verfasst von: I. S. Shadrina
A. V. Nokhrin
A. A. Bobrov
O. G. Krutova
E. O. Shishulin
G. V. Shcherbak
V. I. Kopylov
V. N. Chuvil’deev
E. S. Smirnova
N. Yu. Tabachkova
Publikationsdatum: 01.10.2023
Verlag: Pleiades Publishing
Erschienen in: Physics of Metals and Metallography / Ausgabe 10/2023
Print ISSN: 0031-918X
Elektronische ISSN: 1555-6190
DOI: https://doi.org/10.1134/S0031918X23601750

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