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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium In-situ Methods for Unraveling Structure-Property Relationships in Light Metals
Presentation Title I-19: Development of Plasticity Models via Point-by-Point Comparison with HREBSD and Microscale DIC
Author(s) Timothy Ruggles, Geoffery Bomarito, Jacob Hochhalter, Saikumar Yeratapally
On-Site Speaker (Planned) Timothy Ruggles
Abstract Scope Advances in microscopy methods have led to an abundance of microstructural information. Attempts to incorporate this information into plasticity models often involve vast reduction of data in order to fit simplified constitutive laws or the use of computationally expensive inverse finite element methods. Coupling of two developing microscopy techniques, high resolution electron backscatter diffraction (HREBSD) and microscale digital image correlation (DIC) provides a unique way to avoid inverse methods without unnecessary data reduction. Using the concurrent measurements of dislocation density from HREBSD and full-field deformation mapping from DIC, hardening rules may be calibrated directly from each point in the microstructure, without the need of a finite element method. To test this concept, an AlCu oligocrystal single edge notch specimen is examined with HREBSD before and after deformation and DIC is performed in situ using an optimized microscale stamp pattern which is then removed for the final HREBSD step.
Proceedings Inclusion? Planned:


3D Microstructural Evolution on Solidifying Mg-5Nd-5Zn Alloy Observed via In Situ Synchrotron Tomography
Acoustic Emission Study of Deformation Behavior of Wrought Mg Alloys
Advanced Aluminum Alloys Development and In-Situ Fitness-for-Service Testing in Automotive Lightweighting
Ambient Pressure X-ray Photoelectron Spectroscopy in Light Element Materials Investigations
Analysis of Microstructure and Damage Evolution in Ultra-thin Wires of the Magnesium Alloy MgCa0.8 at Multipass Drawing
Effect of the Zn Content on the Compression Behaviour of Mg5Nd(Zn): An In Situ Synchrotron Radiation Diffraction Study
Effect of Thermo-mechanical Treatment of Extruded Z1 Mg Alloy on Resulting Mechanical Properties
Formability of Magnesium Alloy AZ31B from Room Temperature to 125C under Biaxial Tension
I-19: Development of Plasticity Models via Point-by-Point Comparison with HREBSD and Microscale DIC
I-21: Parameter Study and Experimental Validation of Crystal-scale Finite Element Analyses of Titanium Alloys
I-22: The Application of Synchrotron X-ray Tomography in the Solidification of Mg Alloys
In-situ Investigation of Deformation Mechanisms in Mg-Zn-Y Magnesium Alloy with LPSO Phase by Diffraction Methods and Acoustic Emission
In-situ Real-time Monitoring of Aging Processes in an Aluminum Alloy by High-precision Dilatometry
In-situ X-ray Synchrotron Profile Analysis during High Pressure Torsion of Ti
Morphological Transition of α-Mg Dendrites during Near-isothermal Solidification of a Mg-Nd-Gd-Zn-Zr Casting Alloy
Overview of In-Situ X-ray Studies of Light Alloy Solidification in Microgravity
Real-time Observation of AZ91Solidification by Synchrotron Radiography
Structural Evolution of Metals at High Temperature: Complementary Investigations with Neutron and Synchrotron Quantum Beams
The Effect of Grain Refinement on Hot Tearing in AZ91D Magnesium Alloys
The Use of In-situ X-ray Imaging Methods in the Research and Development of Magnesium-based Grain-refined and Nanocomposite Materials

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