Exceptional mechanical properties of ultra-fine grain Mg-4Y-3RE alloy processed by ECAP

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F17%3A10369909" target="_blank" >RIV/00216208:11320/17:10369909 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60461373:22310/17:43915369

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.msea.2017.09.106" target="_blank" >http://dx.doi.org/10.1016/j.msea.2017.09.106</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.msea.2017.09.106" target="_blank" >10.1016/j.msea.2017.09.106</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Exceptional mechanical properties of ultra-fine grain Mg-4Y-3RE alloy processed by ECAP

Popis výsledku v původním jazyce

Precipitation hardenable WE43 magnesium alloy containing yttrium and rare earth elements was processed by ECAP. Microstructure, phase composition, mechanical properties and texture of the processed material was investigated by several complementary techniques. Substantial precipitation during ECAP led to exceptional grain refinement with the resulting average grain size of similar to 340 nm. The processed material exhibited previously unreported weak texture without a typical component usually observed in magnesium alloys processed similarly. The observed texture resulted from a massive particle-induced recrystallization during the processing through ECAP. The ultra-fine grain microstructure, the high density of Mg5RE particles and the specific texture resulted in the significant strengthening of the ECAPed material. The yield compression strength of similar to 427 MPa was by 340% higher than that of the initial as-cast condition and by 210% higher than that of the peak age-hardened one.

Název v anglickém jazyce

Exceptional mechanical properties of ultra-fine grain Mg-4Y-3RE alloy processed by ECAP

Popis výsledku anglicky

Precipitation hardenable WE43 magnesium alloy containing yttrium and rare earth elements was processed by ECAP. Microstructure, phase composition, mechanical properties and texture of the processed material was investigated by several complementary techniques. Substantial precipitation during ECAP led to exceptional grain refinement with the resulting average grain size of similar to 340 nm. The processed material exhibited previously unreported weak texture without a typical component usually observed in magnesium alloys processed similarly. The observed texture resulted from a massive particle-induced recrystallization during the processing through ECAP. The ultra-fine grain microstructure, the high density of Mg5RE particles and the specific texture resulted in the significant strengthening of the ECAPed material. The yield compression strength of similar to 427 MPa was by 340% higher than that of the initial as-cast condition and by 210% higher than that of the peak age-hardened one.

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

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2017

Kód důvěrnosti údajů

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

Název periodika

Materials Science &amp; Engineering A: Structural Materials: Properties, Microstructure and Processing

ISSN

0921-5093

e-ISSN

—

Svazek periodika

708

Číslo periodika v rámci svazku

neuveden

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

6

Strana od-do

193-198

Kód UT WoS článku

000415770100019

EID výsledku v databázi Scopus

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