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DETERMINATION OF FLOW STRESS BY THE HYDRAULIC BULGE TEST.

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Title: DETERMINATION OF FLOW STRESS BY THE HYDRAULIC BULGE TEST.
Alternate Title: Određivanje naprezanja tečenja hidrauličnim pokusom dubokog izvlačenja.
Authors: Slota, J.1, Spišák, E.1
Source: Metalurgija. 2008, Vol. 47 Issue 1, p13-17. 5p. 2 Black and White Photographs, 1 Diagram, 1 Chart, 5 Graphs.
Subjects: Hydraulics, Sheet metal working machinery, Strains & stresses (Mechanics), Finite element method, Bulging (Metalwork), Thickness measurement
Abstract (English): In sheet metal forming operations the mechanical properties of the sheet metal (stress-strain curve, flow stress) greatly influence metal flow and product quality. Accurate determination of the stress-strain relationship is important in process simulation by finite element method. In this paper the sheet thickness gradation in different points of the hemisphere formed in the bulge test is analysed, both theoretically and experimentally. A precise determination of sheet thickness at the pole is very important in the precise determination of stress-strain relationship. The use of the hydraulic bulge test for estimation of flow stress under biaxial stress-strain state is discussed. [ABSTRACT FROM AUTHOR]
Abstract (Croatian): Određivanje naprezanja tečcenja hidrauličnim pokusom dubokog izvlačenja. U oblikovanju trake mehanič ka svojstva trake (σ-ϵ dijagram, naprezanje tečenjem) značajno utječu na tečenje i kakvću proizvoda. Točno određivanje odnosa naprezanje-istezanje je važno u procesu simulacije metodom konačnih elemenata. Na pokusu dobijenim dubokim izvlačenjem analiziralo se i teoretski i eksperimentalno, po debljini trake i polukugli. Precizno određivanje po debljini trake je važno za odnos naprezanje-istezanje. Raspravljeno je rabljenje hidrauličkog pokusa dubokog izvlačenja za procjenu naprezanja tečenja za dvoosno stanje naprezanje- istezanje. [ABSTRACT FROM AUTHOR]
Copyright of Metalurgija is the property of Croatian Metallurgical Society and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 37246193
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PubType: Academic Journal
PubTypeId: academicJournal
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IllustrationInfo
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  Label: Title
  Group: Ti
  Data: DETERMINATION OF FLOW STRESS BY THE HYDRAULIC BULGE TEST.
– Name: TitleAlt
  Label: Alternate Title
  Group: TiAlt
  Data: Određivanje naprezanja tečenja hidrauličnim pokusom dubokog izvlačenja.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Slota%2C+J%2E%22">Slota, J.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Spišák%2C+E%2E%22">Spišák, E.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Metalurgija%22">Metalurgija</searchLink>. 2008, Vol. 47 Issue 1, p13-17. 5p. 2 Black and White Photographs, 1 Diagram, 1 Chart, 5 Graphs.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Hydraulics%22">Hydraulics</searchLink><br /><searchLink fieldCode="DE" term="%22Sheet+metal+working+machinery%22">Sheet metal working machinery</searchLink><br /><searchLink fieldCode="DE" term="%22Strains+%26+stresses+%28Mechanics%29%22">Strains & stresses (Mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Finite+element+method%22">Finite element method</searchLink><br /><searchLink fieldCode="DE" term="%22Bulging+%28Metalwork%29%22">Bulging (Metalwork)</searchLink><br /><searchLink fieldCode="DE" term="%22Thickness+measurement%22">Thickness measurement</searchLink>
– Name: Abstract
  Label: Abstract (English)
  Group: Ab
  Data: In sheet metal forming operations the mechanical properties of the sheet metal (stress-strain curve, flow stress) greatly influence metal flow and product quality. Accurate determination of the stress-strain relationship is important in process simulation by finite element method. In this paper the sheet thickness gradation in different points of the hemisphere formed in the bulge test is analysed, both theoretically and experimentally. A precise determination of sheet thickness at the pole is very important in the precise determination of stress-strain relationship. The use of the hydraulic bulge test for estimation of flow stress under biaxial stress-strain state is discussed. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label: Abstract (Croatian)
  Group: Ab
  Data: Određivanje naprezanja tečcenja hidrauličnim pokusom dubokog izvlačenja. U oblikovanju trake mehanič ka svojstva trake (σ-ϵ dijagram, naprezanje tečenjem) značajno utječu na tečenje i kakvću proizvoda. Točno određivanje odnosa naprezanje-istezanje je važno u procesu simulacije metodom konačnih elemenata. Na pokusu dobijenim dubokim izvlačenjem analiziralo se i teoretski i eksperimentalno, po debljini trake i polukugli. Precizno određivanje po debljini trake je važno za odnos naprezanje-istezanje. Raspravljeno je rabljenje hidrauličkog pokusa dubokog izvlačenja za procjenu naprezanja tečenja za dvoosno stanje naprezanje- istezanje. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Metalurgija is the property of Croatian Metallurgical Society and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 5
        StartPage: 13
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      – SubjectFull: Hydraulics
        Type: general
      – SubjectFull: Sheet metal working machinery
        Type: general
      – SubjectFull: Strains & stresses (Mechanics)
        Type: general
      – SubjectFull: Finite element method
        Type: general
      – SubjectFull: Bulging (Metalwork)
        Type: general
      – SubjectFull: Thickness measurement
        Type: general
    Titles:
      – TitleFull: DETERMINATION OF FLOW STRESS BY THE HYDRAULIC BULGE TEST.
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            NameFull: Slota, J.
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            NameFull: Spišák, E.
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              Text: 2008
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              Y: 2008
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