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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium In-situ Methods for Unraveling Structure-Property Relationships in Light Metals
Presentation Title Advanced Aluminum Alloys Development and In-Situ Fitness-for-Service Testing in Automotive Lightweighting
Author(s) Dimitry G. Sediako, David Weiss, Ahmed Nabawy
On-Site Speaker (Planned) Dimitry G. Sediako
Abstract Scope Lightweighting has led to increased use of aluminum alloys in many automotive systems, including the powertrain, body-in-white, and suspension. Fitness-for-service certification of new alloys for these applications frequently requires development of new testing methods that would subject the test components to realistic conditions of temperature and load, while studying the long-term materials’ response. As the typical lifetime of a vehicle exceeds 3000 hours, the new testing methods must provide clear indication on the material suitability for a target application over a more realistic timeframe. In-situ study of the creep behavior using neutron diffraction quickly reveals the response of individual crystallographic planes to the applied load under the in-service operating conditions, yielding the critical information on the expected lifetime of the targeted component. This knowledge helps to identify alloy chemistry and processing conditions that result in manufacturing components capable of sustaining the thermal mechanical loads over the expected life cycle of a vehicle. Two advanced aluminum alloys, based on Al-Si and Al-Cu systems, have been the focus of in this research.
Proceedings Inclusion? Planned:

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

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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