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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Material Behavior Characterization via Multi-Directional Deformation of Sheet Metal
Presentation Title Production of Commercially Pure Aluminum Strips via a Single-Step, Machining-based Technique
Author(s) Mohammed Naziru Issahaq, Kevin P. Trumble, Srinivasan Chandrasekar
On-Site Speaker (Planned) Mohammed Naziru Issahaq
Abstract Scope Commercially pure aluminum sheets and strips are conventionally produced through cold rolling. This process is a multi-step deformation technique that imposes relatively low incremental plastic strains on the strips. This work explores an alternative technique that imposes high strains in a single-step, machining-based deformation to produce the sheets and strips. However, the commercially pure aluminum alloys have high ductility in the as-cast or annealed (O-temper) condition, and often exhibit “gummy” behavior during machining. The ductile flow mode of these alloys renders the production of extremely thicker strips with uneven free surfaces. By varying the rake angle and cutting speeds, a process map will be demonstrated to enhance the selection of appropriate cutting conditions necessary to produce strips with improved surface finish comparable to the conventional cold rolling processes. The microstructure and texture are also shown to be distinctly different from strips produced by conventional cold rolling.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A New Yield Criterion Accounting for Anisotropy and Anisotropic Asymmetry from Near Isotropy to Triclincity
An Investigation into Improved Elongation-to-fracture in AHSS via Continuous Bending Under Tension
Damage Detection of Sheet Metal via Multi-directional Deformation
Development of a Lean Duplex TRIP Steel with a Superior Formability
Effects of Y Concentration on Mechanical Response of Mg-Y Alloys
Evolution of Local Formability Concepts for Advanced High Strength Steels (AHSS)
Experimental Studies into the Role of Cyclic Bending during Stretching of Dual-phase Steel Sheets
Formability of Textured Anisotropic Uranium Plate
High Precision Material Modeling of 5000 Series Aluminum Alloy Sheet Using Biaxial Tensile Tests and Hole Expansion Simulation
In-situ Neutron Diffraction of Strain Path Change Effects in Cold-rolled MgAZ31B Sheet
Industry Perspective on the Mechanical Characterization of Next Generation Steels
K-137 (Invited): Understanding Room Temperature Softening Behavior in AA5182
Large-strain Cruciform Testing for Characterization of Macro- and Micro-scale Formability of Sheet Metals
Material Modeling in Biaxial Stress Field and Hole Expansion Simulation of Hot-rolled Steel Sheets
Measuring the Multiaxial Nature of Thermomechanical Constitutive Relationships of Crystalline Materials
Microstructural Response of Stainless Steel Subjected to Biaxial Load Path Changes: In-situ Neutron Diffraction and Multi-scale Modeling
Microstructure Control for Enhanced Multi-step Formability
Modeling Anisotropic Plasticity Under Complex Loading Conditions: Effects of Loading Path Changes on Flow Stress, Springback and Formability of Sheet Metals
Modeling of Hole-expansion of Prestrained Sheets Using Distortional Hardening
Multi-directional Deformation Capabilities in the NIST Center for Automotive Lightweighting (NCAL)
Multiscale Modeling of Self-piercing Riveting Process
Production of Commercially Pure Aluminum Strips via a Single-Step, Machining-based Technique
Strain Localization and Damage in a α+β Titanium Alloy: A Study of Microstructure Heterogeneity and Strain Path Effects

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