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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium Material Behavior Characterization via Multi-Directional Deformation of Sheet Metal
Presentation Title Inflation of Stainless Steel 304L Microtubes under Axial Tension and Internal Pressure to Assess the Plastic Anisotropy
Author(s) Peter W Ripley, Yannis Korkolis
On-Site Speaker (Planned) Yannis Korkolis
Abstract Scope We describe a custom testing machine for biaxial loading of microtubes under axial-force and internal-pressure. The machine is composed of a meso-scale tensile stage and a high-pressure pump, which operate in a fully coupled way. In addition, 3D digital image correlation is used to acquire the strain fields in real time. The system is capable of performing both proportional and non-proportional loading paths in the 1st quadrant of the axial-hoop nominal stress space. Fourteen proportional paths were performed on stainless steel SS-304L microtubes. The induced strain paths indicated that this material is anisotropic. Also plotted were contours of constant plastic work. It was discovered that the anisotropy of the material evolved at different rates for different loading paths, indicating deformation-induced anisotropy. These data were used to calibrate the Yld2000-2D and Yld2004-3D anisotropic yield criteria, which provided very close agreement with the experiments.
Proceedings Inclusion? Planned: A print-only volume


A Novel In-situ Planar Biaxial Experiment
Advanced Cruciform Testing at the NIST Center for Automotive Lightweighting
An Experimental and Microstructural Investigation of Biaxial Bauschinger Effects in Sheet Metals
An Experimentally Validated, Microstructure Based Model for Forming of Low-symmetry Alpha-uranium
Biaxial Loading of Anisotropic Al-6022-T4 Sheets Using Cruciform Specimens
Determination of Bending Limit Curves for Aluminium Alloy AA6014-T4: An Experimental Approach
Dilational Response of Voided Polycrystals
Effect of Complex Strain Paths on Microstructure Evolution Studied by In-situ Neutron Diffraction
Evalution of Formability in Aluminum Alloys across Strain Rates Using Digital Image Correlation Technique
Hardening Behavior of 316L SS Subject to Biaxial Strain Path Change: Multiscale Modeling for Guiding Experiments
Inflation of Stainless Steel 304L Microtubes under Axial Tension and Internal Pressure to Assess the Plastic Anisotropy
Modeling Anisotropic Hardening and Nonlinear Elasticity under Loading Path Change
Multi-scale Analysis of Springback in Microforming of Thin Nickel Sheets
On the Non-proportional Deformation of Sheet Steel Using In-situ Diffraction and Modelling Methods
Onset of Plasticity via Relaxation Analysis (OPRA)
Optimization of Biaxial Tensile Test Specimen Design
Predicting Cyclic Deformation of AA6022-T4 and DP590 Using Polycrystal Plasticity
Sensitivity Analysis of the Bauschinger Behavior on Bending Springback for Prestrained Sheets
The Influence of Deformation Mechanisms on Forming of Commercially Pure Titanium Sheets

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