High frequency cycling behaviour of three AZ magnesium - alloys microstructural characterisation

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F16%3A10333301" target="_blank" >RIV/00216208:11320/16:10333301 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.3139/146.111414" target="_blank" >http://dx.doi.org/10.3139/146.111414</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3139/146.111414" target="_blank" >10.3139/146.111414</a>

Jazyk výsledku

angličtina

Název v původním jazyce

High frequency cycling behaviour of three AZ magnesium - alloys microstructural characterisation

Popis výsledku v původním jazyce

Three Mg-Al-Zn alloys, namely AZ31, AZ63 and AZ91, were subjected to high frequency cyclic loading with the aim of revealing their fatigue behaviour. AZ63 and AZ91 alloys contained discontinuous and continuous precipitates and also the intermetallic compound Mg17Al12. Samples were loaded step by step at increasing stress amplitudes at room temperature. Three characteristics of the cycled samples were investigated: the sample surface, the fatigue fracture surface and the fracture surface after the static fracture of samples. Details of the fatigue and fracture behaviour were examined using scanning electron microscopy. The significant roles of twinning and dislocation movement during the high frequency cycling are discussed. The limited plasticity of alloys estimated during the high frequency cycling is due to a decrease in the moving dislocation density entering into the thermally activated process.

Název v anglickém jazyce

High frequency cycling behaviour of three AZ magnesium - alloys microstructural characterisation

Popis výsledku anglicky

Three Mg-Al-Zn alloys, namely AZ31, AZ63 and AZ91, were subjected to high frequency cyclic loading with the aim of revealing their fatigue behaviour. AZ63 and AZ91 alloys contained discontinuous and continuous precipitates and also the intermetallic compound Mg17Al12. Samples were loaded step by step at increasing stress amplitudes at room temperature. Three characteristics of the cycled samples were investigated: the sample surface, the fatigue fracture surface and the fracture surface after the static fracture of samples. Details of the fatigue and fracture behaviour were examined using scanning electron microscopy. The significant roles of twinning and dislocation movement during the high frequency cycling are discussed. The limited plasticity of alloys estimated during the high frequency cycling is due to a decrease in the moving dislocation density entering into the thermally activated process.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BM - Fyzika pevných látek a magnetismus

OECD FORD obor

—

Projekt

<a href="/cs/project/GA15-11879S" target="_blank" >GA15-11879S: Zotavovací procesy ve vybraných hořčíkových slitinách, připravených intenzívní plastickou deformací</a><br>

Návaznosti

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

Rok uplatnění

2016

Kód důvěrnosti údajů

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

Název periodika

International Journal of Materials Research

ISSN

1862-5282

e-ISSN

—

Svazek periodika

107

Číslo periodika v rámci svazku

10

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

13

Strana od-do

903-915

Kód UT WoS článku

000385693500004

EID výsledku v databázi Scopus

2-s2.0-84991666102