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VERMA, R. KRÁL, L. OSTAPOVETS, A.
Originální název
Faceting of {11(2)over-bar6} twin interfaces in rolled pure magnesium
Typ
článek v časopise ve Web of Science, Jimp
Jazyk
angličtina
Originální abstrakt
Recent studies proved that the faceting of twin boundaries is a common feature in hcp materials. It was demonstrated that the asymmetrical facets in the most frequent {10 (1) over bar2} and {10 (1) over bar1} twin interfaces are the consequence of the twin boundary migration mechanism. We demonstrate that a similar mechanism is also applicable to less common {11 (2) over bar6} twins, observed in pure magnesium rolled at room temperature. The migration of {11 (2) over bar6} twin boundary is mediated by disconnections, which have Burgers vector b = 0.030[11 (2) over bar(1) over bar] and step height equal to four {11 (2) over bar6} interplanar distances. The mechanism of asymmetrical facets nucleation is also demonstrated by using atomistic simulations. The simulations are supported by transmission electron microscopy (TEM) of asymmetrical basal-pyramidal interfaces of {11 (2) over bar6} twins.
Klíčová slova
Magnesium; twin boundary; interfaces; atomistic simulations; SEM; TEM
Autoři
VERMA, R.; KRÁL, L.; OSTAPOVETS, A.
Vydáno
19. 5. 2022
Nakladatel
TAYLOR & FRANCIS LTD
Místo
ABINGDON
ISSN
1478-6443
Periodikum
PHILOSOPHICAL MAGAZINE
Ročník
102
Číslo
10
Stát
Spojené království Velké Británie a Severního Irska
Strany od
861
Strany do
874
Strany počet
14
URL
https://www.tandfonline.com/doi/full/10.1080/14786435.2021.2022232
BibTex
@article{BUT177508, author="Ritu {Verma} and Lubomír {Král} and Andriy {Ostapovets}", title="Faceting of {11(2)over-bar6} twin interfaces in rolled pure magnesium", journal="PHILOSOPHICAL MAGAZINE", year="2022", volume="102", number="10", pages="861--874", doi="10.1080/14786435.2021.2022232", issn="1478-6443", url="https://www.tandfonline.com/doi/full/10.1080/14786435.2021.2022232" }