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Meeting Materials Science & Technology 2019
Symposium Formability and Fracture of Metal Sheets
Presentation Title Biaxial Tensile Testing Using Laser-deposited Cruciform and Its Extension to Non-proportional Loading
Author(s) Yong Hou, Junying Min, Nan Guo, Jianping Lin, John E. Carsley, Thomas Stoughton, Changwei Lian
On-Site Speaker (Planned) John E. Carsley
Abstract Scope Biaxial tensile testing with the cruciform specimen is useful for calibrating and validating advanced material models to improve simulation accuracy of sheet metal forming. In this study, a laser deposition method was developed to strengthen the arms of cruciform specimens based on ISO16842-2014 to achieve greater plastic deformation in the gauge area. The stress-strain curves under biaxial tension at larger equivalent plastic strain were obtained experimentally for several materials with the aid of digital image correlation (DIC) techniques. Some advanced constitutive models were proposed and calibrated using these experimental data to accurately describing the yield behavior of materials. Additionally, biaxial tensile testing was carried out to deform laser-deposited cruciforms following specific predefined bi-linear strain paths, e.g. equi-biaxial tension followed by plane strain. Accurate stress-strain responses of sheet metals under bi-linear strain paths were characterized.
Proceedings Inclusion? Definite: At-meeting proceedings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Method to Predict the Ductile Fracture of Metal Sheets under Complex Plane Stress
Anisotropic and Time-dependent Continuum Damage Coupled Plasticity Model for Predicting Ductile Fracture of AA 6xxx
Behavior of Quenched-and-Partitioned Steels Deformed at Elevated Temperatures
Biaxial Tensile Testing Using Laser-deposited Cruciform and Its Extension to Non-proportional Loading
Deformation Mode Effects on Austenite Stability of Quenched-and-Partitioned Steel Measured via X-ray Diffraction and Electron Backscattered Diffraction
Distortional Anisotropic Hardening Model for Describing Complex Bauschinger and Transient Effects in Metal Forming Simulations
Edge Stretchability of Hot Rolled High-strength Low-alloy Steel
Effect of Ultrasonic-assisted Two-point Incremental Sheet Forming (UA-TPIF) on Surface Finish
Mechanical Behavior of Ni and Cr added Bainite/ Martensite Multiphase Steels
Mitigation of Edge Cracking during Accumulative Roll Bonding of Aluminum Alloys
P3-90: Prediction Method of Voids Distribution in the Punched Surface of the Spheroidizing Annealed Medium Carbon Steel Sheet by the Scrap
Stress-strain Response in the Early Stage of Hydraulic Bulge Testing
Study of GP-zone/MgZn2 Precipitation Coupled with Deformation in Al-Zn-Mg-Cu to Overcome the Strength-ductility Paradox
The Influence of Phase Constituents on Hole Expansion Capacity of Multi-phase Steels

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