Structure and properties of AA6082 aluminium alloy processed by high pressure torsion

Kód výsledku v IS VaVaI

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RIV/26316919:_____/15:#0000686

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Structure and properties of AA6082 aluminium alloy processed by high pressure torsion

Popis výsledku v původním jazyce

In this study ultrafine grain structure evolution during high pressure torsion of commercial aluminium alloy AA6082 at increased temperature is presented. Two different initial structural states of the alloy were prepared by thermal treatment. The progress in structure refinement in dependence on the shear strain level was investigated in thin foils by TEM. The impact of different amount of strain Eef introduced was analyzed with respect to the effect of increased temperature. The microhardness resultsmeasured across the HPT deformed discs pointed out to data scattering. The microstructure analyses results shoved that ultrafine grain (ufg) structure was already formed in deformed disc upon the first turn, regardless the initial structure of alloy, which resulted from prior thermal treatment. The heterogeneity in ufg structure development across the deformed discs was observed in thin foils, supporting by received microhardness results scattering. By increasing strain value, applying i

Název v anglickém jazyce

Structure and properties of AA6082 aluminium alloy processed by high pressure torsion

Popis výsledku anglicky

In this study ultrafine grain structure evolution during high pressure torsion of commercial aluminium alloy AA6082 at increased temperature is presented. Two different initial structural states of the alloy were prepared by thermal treatment. The progress in structure refinement in dependence on the shear strain level was investigated in thin foils by TEM. The impact of different amount of strain Eef introduced was analyzed with respect to the effect of increased temperature. The microhardness resultsmeasured across the HPT deformed discs pointed out to data scattering. The microstructure analyses results shoved that ultrafine grain (ufg) structure was already formed in deformed disc upon the first turn, regardless the initial structure of alloy, which resulted from prior thermal treatment. The heterogeneity in ufg structure development across the deformed discs was observed in thin foils, supporting by received microhardness results scattering. By increasing strain value, applying i

Druh

D - Stať ve sborníku

CEP obor

JG - Hutnictví, kovové materiály

OECD FORD obor

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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

2015

Kód důvěrnosti údajů

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

Název statě ve sborníku

XXXIV. Verformungskundliches Kolloquium

ISBN

978-3-902078-20-9

ISSN

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e-ISSN

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Počet stran výsledku

5

Strana od-do

193-197

Název nakladatele

Lehrstuhl für Umformtechnik

Místo vydání

Leoben, AT

Místo konání akce

Leoben, AT

Datum konání akce

14. 3. 2015

Typ akce podle státní příslušnosti

EUR - Evropská akce

Kód UT WoS článku

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