DEVELOPMENT OF STRUCTURE AT EXTRUSION OF A STRIP OF SHEET MADE OF CU THROUGH THE DRECE MACHINERY

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27230%2F10%3A86076388" target="_blank" >RIV/61989100:27230/10:86076388 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/27768953:_____/10:#0000032

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

DEVELOPMENT OF STRUCTURE AT EXTRUSION OF A STRIP OF SHEET MADE OF CU THROUGH THE DRECE MACHINERY

Popis výsledku v původním jazyce

Achievement of ultra-fine grained (UFG) structure in the strip of sheet is one of the basic problems of the current research in the field of forming. Contrary to bulk forming (processes ECAP, HPT, Conform, etc.), it is much more difficult to achieve highdegree of deformation during 5 to 7-8 passes by the processes ARB, C2S2 (DCAP). At extrusion of the strip of sheet with use of the process C2S2 the refinement of structure (e.g. in the sheet made of Al) is visible only after 12 - 15 passes. This is given by the possibility of use of only one type of passes designated in literature as "C" (pass with turning of material by 180°). This creates smaller number of different types of shear planes than at the passes of the type "Bc". The paper gives an analysis of influence of number of passes on structure refinement of a strip of Al sheet on the brand new prototype equipment "DRECE ("Dual Rolling Equal Channel Extrusion"). The process was mathematically simulated and results were mutually com

Název v anglickém jazyce

DEVELOPMENT OF STRUCTURE AT EXTRUSION OF A STRIP OF SHEET MADE OF CU THROUGH THE DRECE MACHINERY

Popis výsledku anglicky

Achievement of ultra-fine grained (UFG) structure in the strip of sheet is one of the basic problems of the current research in the field of forming. Contrary to bulk forming (processes ECAP, HPT, Conform, etc.), it is much more difficult to achieve highdegree of deformation during 5 to 7-8 passes by the processes ARB, C2S2 (DCAP). At extrusion of the strip of sheet with use of the process C2S2 the refinement of structure (e.g. in the sheet made of Al) is visible only after 12 - 15 passes. This is given by the possibility of use of only one type of passes designated in literature as "C" (pass with turning of material by 180°). This creates smaller number of different types of shear planes than at the passes of the type "Bc". The paper gives an analysis of influence of number of passes on structure refinement of a strip of Al sheet on the brand new prototype equipment "DRECE ("Dual Rolling Equal Channel Extrusion"). The process was mathematically simulated and results were mutually com

Druh

D - Stať ve sborníku

CEP obor

JR - Ostatní strojírenství

OECD FORD obor

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Projekt

<a href="/cs/project/2A-1TP1%2F124" target="_blank" >2A-1TP1/124: Výzkum vlivu extrémních podmínek deformace na submikrostrukturu kovů a zkušebních metod pro diagnostiku jejich technologických vlastností.</a><br>

Návaznosti

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

Rok uplatnění

2010

Kód důvěrnosti údajů

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

Název statě ve sborníku

METAL 2010

ISBN

978-80-87294-17-8

ISSN

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e-ISSN

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Počet stran výsledku

6

Strana od-do

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Název nakladatele

TANGER, spol. s r.o.

Místo vydání

Ostrava

Místo konání akce

Olomouc

Datum konání akce

18. 5. 2010

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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