Annealing Behavior of a Mg-Y-Zn-Al Alloy Processed by Rapidly Solidified Ribbon Consolidation

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F24%3A10484766" target="_blank" >RIV/00216208:11320/24:10484766 - isvavai.cz</a>

Výsledek na webu

<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=80TZZupP5S" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=80TZZupP5S</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/ma17184511" target="_blank" >10.3390/ma17184511</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Annealing Behavior of a Mg-Y-Zn-Al Alloy Processed by Rapidly Solidified Ribbon Consolidation

Popis výsledku v původním jazyce

Mg-Y-Zn-Al alloys processed by the rapidly solidified ribbon consolidation (RSRC) techniqueare candidate materials for structural applications due to their improved mechanical performance.Their outstanding mechanical strength is attributed to solute-enriched stacking faults(SESFs), which can form cluster-arranged layers (CALs) and cluster-arranged nanoplates (CANaPs)or complete the long-period stacking ordered (LPSO) phase. The thermal stability of these solutearrangements strongly influences mechanical performance at elevated temperatures. In this study, anRSRC-processed Mg-0.9%, Zn-2.05%, Y-0.15% Al (at%) alloy was heated at a rate of 0.666 K/s upto 833 K, a temperature very close to melting point. During annealing, in situ X-ray diffraction (XRD)measurements were performed using synchrotron radiation in order to monitor changes in the structure.These in situ XRD experiments were completed with ex situ electron microscopy investigationsbefore and after annealing. At 753 K and above, the ratio of the matrix lattice constants, c/a, decreasedconsiderably, which was restored during cooling. This decrease in c/a could be attributed to partialmelting in the volumes with high solute contents, causing a change in the chemical composition ofthe remaining solid material. In addition, the XRD intensity of the secondary phase increased at thebeginning of cooling and then remained unchanged, which was attributed to a long-range orderingof the solute-enriched phase. Both the matrix grains and the solute-enriched particles were coarsenedduring the heat treatment, as revealed by electron microscopy.

Název v anglickém jazyce

Annealing Behavior of a Mg-Y-Zn-Al Alloy Processed by Rapidly Solidified Ribbon Consolidation

Popis výsledku anglicky

Mg-Y-Zn-Al alloys processed by the rapidly solidified ribbon consolidation (RSRC) techniqueare candidate materials for structural applications due to their improved mechanical performance.Their outstanding mechanical strength is attributed to solute-enriched stacking faults(SESFs), which can form cluster-arranged layers (CALs) and cluster-arranged nanoplates (CANaPs)or complete the long-period stacking ordered (LPSO) phase. The thermal stability of these solutearrangements strongly influences mechanical performance at elevated temperatures. In this study, anRSRC-processed Mg-0.9%, Zn-2.05%, Y-0.15% Al (at%) alloy was heated at a rate of 0.666 K/s upto 833 K, a temperature very close to melting point. During annealing, in situ X-ray diffraction (XRD)measurements were performed using synchrotron radiation in order to monitor changes in the structure.These in situ XRD experiments were completed with ex situ electron microscopy investigationsbefore and after annealing. At 753 K and above, the ratio of the matrix lattice constants, c/a, decreasedconsiderably, which was restored during cooling. This decrease in c/a could be attributed to partialmelting in the volumes with high solute contents, causing a change in the chemical composition ofthe remaining solid material. In addition, the XRD intensity of the secondary phase increased at thebeginning of cooling and then remained unchanged, which was attributed to a long-range orderingof the solute-enriched phase. Both the matrix grains and the solute-enriched particles were coarsenedduring the heat treatment, as revealed by electron microscopy.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Projekt

<a href="/cs/project/8F21011" target="_blank" >8F21011: Development of Advanced Magnesium Alloys for Multifunctional Applicants in Extreme Environments</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Materials

ISSN

1996-1944

e-ISSN

1996-1944

Svazek periodika

2024

Číslo periodika v rámci svazku

17

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

18

Strana od-do

4511

Kód UT WoS článku

001323085400001

EID výsledku v databázi Scopus

2-s2.0-85205291319