About: Microstructure development of Ca-doped Mg-Zn alloy during hot deformation

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Structure and properties of magnesium can be modified by addition of solutes as well as by the metal working operations. To elucidate the alloying effect on both the deformation and the recrystallization mechanism, the present work compares the development of the microstructures of Mg-4Zn and Mg-4Zn-0.4Ca alloys (in wt.%) processed via two different deformation processes: the uniaxial compression (UC) and the equal channel angular pressing (ECAP). The stress-strain curves exhibited the classic evolution with the strain rate sensitivity slightly higher for Mg-4Zn than for Mg-4Zn-0.4Ca whereas the absolute value of the stress was higher in case of the ternary alloy during two deformation processes. Microstructure analysis showed that the hot deformation resulted generally in formation of the bimodal structure composed of fine grains of several micrometers and coarse unrecrystallized grains. Moreover, lower strain rates condition led to deformation-induced precipitation. The aim of the current work is therefore to better describe the effect of the Ca addition into Mg-4Zn alloy on its deformation as well as to reveal the mechanism(s) of the recrystallization phenomenon observed in such alloys. Structure and properties of magnesium can be modified by addition of solutes as well as by the metal working operations. To elucidate the alloying effect on both the deformation and the recrystallization mechanism, the present work compares the development of the microstructures of Mg-4Zn and Mg-4Zn-0.4Ca alloys (in wt.%) processed via two different deformation processes: the uniaxial compression (UC) and the equal channel angular pressing (ECAP). The stress-strain curves exhibited the classic evolution with the strain rate sensitivity slightly higher for Mg-4Zn than for Mg-4Zn-0.4Ca whereas the absolute value of the stress was higher in case of the ternary alloy during two deformation processes. Microstructure analysis showed that the hot deformation resulted generally in formation of the bimodal structure composed of fine grains of several micrometers and coarse unrecrystallized grains. Moreover, lower strain rates condition led to deformation-induced precipitation. The aim of the current work is therefore to better describe the effect of the Ca addition into Mg-4Zn alloy on its deformation as well as to reveal the mechanism(s) of the recrystallization phenomenon observed in such alloys. (en)
Title	Microstructure development of Ca-doped Mg-Zn alloy during hot deformation Microstructure development of Ca-doped Mg-Zn alloy during hot deformation (en)
skos:prefLabel	Microstructure development of Ca-doped Mg-Zn alloy during hot deformation Microstructure development of Ca-doped Mg-Zn alloy during hot deformation (en)
skos:notation	RIV/60461373:22310/12:43894429!RIV13-MSM-22310___
http://linked.open...avai/predkladatel	Fakulta chemické technologie
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(KAN300100801), S
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Lejček, Pavel Hradilová, Monika
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemické technologie
http://linked.open...dnocenehoVysledku	150431
http://linked.open...ai/riv/idVysledku	RIV/60461373:22310/12:43894429
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	microstructure; recrystallization; deformation; Magnesium alloys (en)
http://linked.open.../riv/klicoveSlovo	recrystallization Magnesium alloys microstructure deformation
http://linked.open...ontrolniKodProRIV	[49FE3A1888F0]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Ostrava
http://linked.open...i/riv/nazevZdroje	Proceedings of 21st International Conference on Metallurgy and Materials
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Multifunctional bulk metallic materials with nanocrystalline and ultrafine-grained structure
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Lejček, Pavel Hradilová, Monika Desrayaud, Christophe Fraczkiewicz, Fraczkiewicz Montheille, Frank
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open...ain/vavai/riv/wos	000318506500184
http://linked.open.../riv/zahajeniAkce	2012-05-23 (xsd:date)
number of pages	7 (xsd:int)
http://purl.org/ne...btex#hasPublisher	TANGER
https://schema.org/isbn	978-80-87294-29-1
http://localhost/t...ganizacniJednotka	22310
is http://linked.open...avai/riv/vysledek of	Microstructure development of Ca-doped Mg-Zn alloy during hot deformation

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