Type and density of dislocations in a plastically deformed long-period stacking ordered magnesium alloy

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F19%3A10407032" target="_blank" >RIV/00216208:11320/19:10407032 - isvavai.cz</a>
Result on the web
<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=vUzMFHwp7~" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=vUzMFHwp7~</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jallcom.2018.08.313" target="_blank" >10.1016/j.jallcom.2018.08.313</a>

Result language
angličtina
Original language name
Type and density of dislocations in a plastically deformed long-period stacking ordered magnesium alloy
Original language description
The density and type of dislocations were studied in a plastically deformed long-period stacking ordered (LPSO) phase of a Mg89Y7Zn4 (at.%) alloy. The volume fraction of the LPSO phase was as high as similar to 85%. The plastic deformation was carried out by uniaxial compression up to the strain of similar to 25% in both as-cast and extruded states. The order of magnitude of the dislocation density was similar to 10(14) m(-2) after compression to the strain of similar to 25% for both as-cast and extruded materials. It was also found that most of the dislocations formed in the LPSO phase during extrusion and compression were of 'a'-type. The as-cast sample did not exhibit a strong crystallographic texture, but extrusion caused a texture in which the normal vector of the basal plane was perpendicular to the extrusion axis. The texture developed during extrusion yielded an anisotropic evolution of the dislocation density during subsequent compression. Namely, the density of dislocations developed during compression was lower when the deformation was carried out parallel to the extrusion axis. (c) 2018 Elsevier B.V. All rights reserved.
Czech name
—
Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Project
<a href="/en/project/GA16-12075S" target="_blank" >GA16-12075S: Optimization of mechanical properties of advanced high-strength magnesium alloys</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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