Microstructure and corrosion resistance of a duplex structured Mg-7.5Li-3Al-1Zn
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F21%3A43922964" target="_blank" >RIV/60461373:22310/21:43922964 - isvavai.cz</a>
Alternative codes found
RIV/60461373:22310/20:43920879
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S2213956720301535?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S2213956720301535?via%3Dihub</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jma.2020.07.007" target="_blank" >10.1016/j.jma.2020.07.007</a>
Alternative languages
Result language
angličtina
Original language name
Microstructure and corrosion resistance of a duplex structured Mg-7.5Li-3Al-1Zn
Original language description
This study describes the corrosion resistance of extruded, and extruded with post-processing annealing, Mg-7.5Li-3Al-1Zn alloys. The results demonstrate that extrusion at 350 degrees C with an extrusion speed 0.5 s(-1) does not lead to the full recrystallization of the alloy, and the material still exhibits a dendritic microstructure. The post-processing annealing triggers the microstructure transformation, and the relative composition of the alloy changes. The ratio of beta(Li) to alpha(Mg) in the extruded alloy was 29-71%; after annealing amount of beta(Li) increased, and the ratio of beta(Li) to alpha(Mg) in the annealed alloy was 35-65%. Corrosion testing shows that in 3.5 wt% NaCl the extruded alloys immediately undergo strong dissolution. As a result of the subsequent annealing, an improvement of corrosion resistance is observed. The higher amount of beta(Li) in the annealed alloy reduces the area ratio of cathodic to anodic sites of corrosion, and this makes the annealed alloy more resistive under the analyzed conditions. (C) 2020 Chongqing University. Publishing services provided by Elsevier B.V. on behalf of KeAi Communications Co. Ltd.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20501 - Materials engineering
Result continuities
Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Journal of Magnesium and Alloys
ISSN
2213-9567
e-ISSN
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Volume of the periodical
9
Issue of the periodical within the volume
2
Country of publishing house
CN - CHINA
Number of pages
11
Pages from-to
467-477
UT code for WoS article
000640516900007
EID of the result in the Scopus database
2-s2.0-85092212500