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Meeting 2019 TMS Annual Meeting & Exhibition
Symposium TMS-DGM Symposium on Lightweight Metals: A Joint US-European Symposium on Challenges in Light Weighting the Transportation Industry
Presentation Title Assessing the Impact of Texture and its Gradients on the Forming Limits of an AA6xxx Sheet Alloy
Author(s) Jishnu Bhattacharyya, Nathan Peterson, Richard Burrows, David Anderson, Fatih Sen, Vishwanath Hegadekatte, Sean Agnew
On-Site Speaker (Planned) Jishnu Bhattacharyya
Abstract Scope The automotive industry is increasingly interested in Al alloy sheet material for body construction to reduce weight. Therefore, it is increasingly important to get a deeper understanding of the formability of Al alloys. Previous studies have illustrated that both the initial texture and texture evolution during forming can have a profound impact upon forming limits. Here, the effect of texture gradients within common Al alloys on predicted forming limit curves (FLCs) is examined. Experimental measurements at the surface, 1/6th, 1/3rd and mid-planes are used to assess the gradients in crystallographic texture of some common Al alloys sheets of 1 mm thickness. In turn, these textures are used as inputs to a FLC prediction code. The established Marciniak-Kuczynski (MK) approach is employed, together with the viscoplastic self-consistent (VPSC) polycrystal plasticity model. It is suggested that specific layers can be responsible for enhancing or degrading the formability.
Proceedings Inclusion? Planned: Light Metals


A Novel Flexible SSM and HPDC Equipment to Process Secondary Aluminium Alloys for Decarbonising Lightweight Parts in Automotive Sector
A Theory for Designing Ductile Materials with Anisotropy
Assessing the Impact of Texture and its Gradients on the Forming Limits of an AA6xxx Sheet Alloy
D-35: Development of New Magnesium Alloy Strengthened by Nano Second Phase Precipitation
D-36: Issues of Castability of Magnesium Alloys
Effect of Split Sleeve Cold Expansion on the Residual Stress, Texture and Fatigue Life of Rolled AZ31B Magnesium Alloy
Increasing the Strength and Electrical Conductivity of AA6101 Aluminum by Nanostructuring
Influences of SiC Particle Additions on the Grain Refinement of Mg-Zn Alloys
Mechanical and Microstructural Characterization of Ultrasonic Metal Welded Large Cross Section Aluminum Wire/Copper Terminal Joints
The Dependence of Local Strain Distribution on Quench Rate for Extruded Al-Mg-Si-Mn-Fe Alloys
The Effect of through Thickness Texture Variation on the Anisotropic Mechanical Response of an Extruded Al-Mn-Fe-Si Alloy
The Effects of Strontium Addition on the Microstructures and Mechanical Properties of Al-7Si Alloy Reinforced with In-situ Al3Ti Particulates

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