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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Material Behavior Characterization via Multi-Directional Deformation of Sheet Metal
Presentation Title A Practical Edge Fracture Limit for the Advanced High Strength Steels
Author(s) Hua-Chu Shih
On-Site Speaker (Planned) Hua-Chu Shih
Abstract Scope A robust methodology is in demand to evaluate and develop edge fracture limit and subsequently predict the sheared edge formability. In the study, different shear edge conditions of various AHSS materials were evaluated by the conventional hole expansion test and the half specimen dome test (HSDT). The edge fracture limit developed from HSDT method was validated by FEA predictions with experimental data. Results indicated that material processed along rolling direction under the 15-18% cutting clearance can deliver a competitive sheared edge formability as the laser cutting edge. The edge limit developed from the hole expansion test can be utilized for a more conservative sheared edge formability prediction on normal mechanical-trim edge blank, while HSDT data for a properly prepared edge condition can be used for the prediction of laser-trim edge blank. A proposed five levels shear face condition vs. stretchability reduction chart is recommended for a quick field validation criterion.
Proceedings Inclusion? Planned:
Keywords Other, Other, Other

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Novel Anisotropic Continuum Damage Evolution Model Coupled with Anisotropic Hardening under Non-proportional Deformation Paths
A Practical Edge Fracture Limit for the Advanced High Strength Steels
Anisotropic Behaviour and Deformation Mechanism of Ti407 Sheets with Reduced Al Content
Characterization and Modeling of Anisotropic Fracture of Advanced High Strength Steels
Characterization of Commercially Pure Titanium Twinning under Proportional Loading Paths
Determination of Optimum Tension-compression Loops/Cycles for Estimating Yoshida-Uemori Constitutive Model Parameters for Advanced Lightweighting Materials
Examining Temperature, Strain Rate, and Strain State on TRIP-assisted Steel Forming Behavior
Predicting Strength and Ductility of Multi-directionally Deformed Steel Plate: a Coupled Distortional Hardening and Continuum Damage Mechanics
Simplifying Complex Loading for Training Advanced Constitutive Models: Treating Sheet Metal Like It’s Not 2D

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