2009
DOI: 10.4028/www.scientific.net/kem.410-411.61
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Abstract: The need of light weight construction for high efficient vehicles leads to the use of new materials like aluminium and magnesium alloys or high strength and ultra high strength steels. At elevated temperatures the formability of steel increases as the flow stresses decrease. Forming high complex geometries like chassis components or components of the exhaust system of vehicles can be done by hydroforming. The hydroforming process by oils is limited to temperatures of approximately 300 °C and brings disadvantag… Show more

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Cited by 6 publications
(1 citation statement)
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“…With applied compression stress the movable plate is displaced 10 mm through the position of concentricity. By this it is possible to determine pairs of compression stress σ and shear stress τ [7]. These pairs of values describe directly the Mohr-Coulomb material model which can be transferred by calculations to pressure and v. Mises stress in the Drucker-Prager material model for plane strain deformation states [8].…”
Section: High Pressure Shear Testmentioning
confidence: 99%
“…With applied compression stress the movable plate is displaced 10 mm through the position of concentricity. By this it is possible to determine pairs of compression stress σ and shear stress τ [7]. These pairs of values describe directly the Mohr-Coulomb material model which can be transferred by calculations to pressure and v. Mises stress in the Drucker-Prager material model for plane strain deformation states [8].…”
Section: High Pressure Shear Testmentioning
confidence: 99%