Ellipticity loss analysis for tangent moduli deduced from a large strain elastic–plastic self-consistent model [PDF]
, 2009 In order to investigate the impact of microstructures and deformation mechanisms on the ductility of materials, the criterion first proposed by Rice is applied to elastic–plastic tangent moduli derived from a large strain micromechanical model combined ...
LORRAIN, Jean-Paul +5 more
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Structural bifurcation for ductile necking localization [PDF]
, 2010 Necking localization is common unstable behavior in ductile solids. This paper describes the unified necking localization mechanism. After describing one-dimensional instability problem, general material and structural instability criteria are formulated
Okazawa, Shigenobu
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Advances in Civil Engineering, 2021 This paper will employ the transparent soil experiment technology to explore the influences of shallow necking on the vertical bearing capacity of single pile with cap.
Zhijun Xu, Zhaoxiang Guo
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Investigation of the Geometry of Metal Tube Walls after Necking in Uniaxial Tension
Metals, 2017 : In order to characterize the deformation and true stress–strain relation of metal tubes, the geometry of tube walls after necking in uniaxial tension need to be determined. The paper investigated the necking process of metal tube.
Chong Li +3 more
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Identification of plastic constitutive parameters at large deformations from three dimensional displacement fields [PDF]
, 2011 The aim of this paper is to provide a general procedure to extract the constitutive parameters of a plasticity model starting from displacement measurements and using the Virtual Fields Method.
Fabrice Pierron +4 more
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Practical Blended Flow Models for Bulk Metal Forming Using the Cylindrical Tensile Test with Its Related Flow Behavior at Large Strain [PDF]
한국정밀공학회지, 2022 The fundamental flow models of metallic materials at room temperature, including the Ludwik, Hollomon, Swift and Voce models, were evaluated in terms of tensile test with an emphasis on the necking phenomena and post-necking behavior, to emphasize their ...
Chang Woon Jee +3 more
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Experimental approach for the determination of the Bridgman's necking parameters [PDF]
, 2019 Two ways of determining Bridgman's parameters are presented to estimate the equivalent Bridgman stress-strain (BSS) curve after the onset of necking in cylindrical specimens. The accurate experimental determination of the minimum necking radius, rN,
Siegmann , Philip +2 more
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On the thermomechanical behaviour of polymeric sheets at localized necking [PDF]
MATEC Web of ConferencesPolymeric materials are among the most widely used materials in modern industry. Their advantages, including lightweight properties, high corrosion resistance, and excellent thermal and electrical insulation, have garnered significant interest from ...
Palomo David +3 more
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Friction influence on the AA6060 aluminium alloy formability
Fracture and Structural Integrity, 2019 Using a finite element calculation code, this work analyses the influence of friction during a stamping test conducted on the AA6060 aluminium-based alloy. The study focuses on phenomena happening when the sheet necking appears.
Costanzo Bellini +2 more
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Thermo-Responsive Shape-Memory Effect and Surface Features in Polycarbonate (PC)
Applied Sciences, 2017 The influence of programming strain and temperature on the shape memory effect and surface morphology in programmed polycarbonate (PC) samples via uni-axial stretching is investigated.
Xuelian Wu +3 more
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