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01-06-2024 | STRUCTURE, PHASE TRANSFORMATIONS, AND DIFFUSION

Effect of Annealing Twins on Grain Boundary Migration in High-Purity Copper

Authors: N. V. Sakharov, V. N. Chuvil’deev

Published in: Physics of Metals and Metallography | Issue 6/2024

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Abstract

The effect of grain boundary retardation by annealing twins in pure copper has been experimentally and theoretically investigated. A model that describes the influence of annealing twins on the migration of grain boundaries in pure metals has been proposed. The retarding force from the twins has been demonstrated to be analogous to the Zener retarding force created by incoherent fine particles. An equation has been derived to calculate the retarding force induced by annealing twins. The force has been demonstrated to be inversely proportional to the size of the twins and directly proportional to their volume fraction. The simulation results have been compared with the experimental results. A satisfactory correlation between the theoretical and experimental results has been achieved.

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Appendix
Available only for authorised users
Literature
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Metadata
Title
Effect of Annealing Twins on Grain Boundary Migration in High-Purity Copper
Authors
N. V. Sakharov
V. N. Chuvil’deev
Publication date
01-06-2024
Publisher
Pleiades Publishing
Published in
Physics of Metals and Metallography / Issue 6/2024
Print ISSN: 0031-918X
Electronic ISSN: 1555-6190
DOI
https://doi.org/10.1134/S0031918X24600167