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Meeting Materials Science & Technology 2019
Symposium Formability and Fracture of Metal Sheets
Presentation Title Edge Stretchability of Hot Rolled High-strength Low-alloy Steel
Author(s) David Overby, Chad Cathcart, Xingcai Yu, Tihe Zhou, Peter Badgley, Chris Martin-Root
On-Site Speaker (Planned) Xingcai Yu
Abstract Scope Three different chemical composition approaches of hot rolled high strength low alloyed steels (HSLA) grade 80 (550 MPa), produced at Stelco’s Lake Erie Works (LEW), were studied to correlate composition with microstructure, mechanical properties and edge stretchability. Each product showed a ferrite, pearlite microstructure with fine precipitates. Mechanical properties of each design were very similar, however, the hole expansion ratios ranged from 48% to 68%. Metallography, fractography and inclusion studies were conducted to determine the underlying factors that control the edge stretchability during hole expansion testing. Some basic trends were detected which could be useful to design new HSLA steel grades with enhanced edge stretchability.
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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