Mechanical properties and microstructure evolution in ultrafine-grained AZ31 alloy processed by severe plastic deformation

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F13%3A10193496" target="_blank" >RIV/00216208:11320/13:10193496 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1007/s10853-013-7151-x" target="_blank" >http://dx.doi.org/10.1007/s10853-013-7151-x</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s10853-013-7151-x" target="_blank" >10.1007/s10853-013-7151-x</a>

Result language

angličtina

Original language name

Mechanical properties and microstructure evolution in ultrafine-grained AZ31 alloy processed by severe plastic deformation

Original language description

Commercial MgAlZn alloy AZ31 was processed by two techniques of severe plastic deformation (SPD)-extrusion followed by equal channel angular pressing (EX-ECAP), and high pressure torsion (HPT). Processing by ECAP was conducted at elevated temperature of180 A degrees C for 1-12 passes following route B-C. HPT was applied at room temperature, and the specimens of the diameter of 19 mm with different number of turns (N = A1/4A -A 15) were prepared. Mechanical properties and grain fragmentation with straindue to EX-ECAP and HPT were investigated by Vickers microhardness measurements and transmission electron microscopy, respectively. Variations in dislocation density were investigated by positron annihilation spectroscopy. Differences in microhardness, grain refinement and dislocation density evolution resulting from principal differences of straining were found in the specimens. EX-ECAP resulted in homogeneous microstructure throughout the specimen's cross section as early as after four

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

BM - Solid-state physics and magnetism

OECD FORD branch

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Project

<a href="/en/project/GA106%2F09%2F0482" target="_blank" >GA106/09/0482: Mechanical properties and microstructure development of ultrafine-grained magnesium alloys prepared by various processing routes</a><br>

Continuities

S - Specificky vyzkum na vysokych skolach

Publication year

2013

Confidentiality

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

Name of the periodical

Journal of Materials Science

ISSN

0022-2461

e-ISSN

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Volume of the periodical

48

Issue of the periodical within the volume

13

Country of publishing house

US - UNITED STATES

Number of pages

8

Pages from-to

4705-4712

UT code for WoS article

000317367200032

EID of the result in the Scopus database

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