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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Material Behavior Characterization via Multi-Directional Deformation of Sheet Metal
Presentation Title Strain Localization and Damage in a α+β Titanium Alloy: A Study of Microstructure Heterogeneity and Strain Path Effects
Author(s) Jiyun Kang, Ikuho Nakahata, C. Cem Tasan
On-Site Speaker (Planned) Jiyun Kang
Abstract Scope Ti alloys have been extensively employed in aerospace applications, due to their high specific strength and superior corrosion resistance, but their limited room-temperature formability still remains as a manufacturing bottleneck. The present work focuses on understanding microstructural mechanisms which govern plasticity and damage evolution in an α+β titanium alloy. These micro-mechanisms are systematically investigated by carrying out in-situ uniaxial and biaxial tensile deformation experiments, and supporting scanning electron microscopy and microscopic-digital image correlation analysis. A particular focus is on strain path effects on microstructural plasticity and damage processes.
Proceedings Inclusion? Planned: Supplemental Proceedings volume


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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