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Meeting Materials Science & Technology 2019
Symposium Advanced High Strength Steels / From Design to End Users
Presentation Title Strengthening of 3rd Generation AHSS during Cold Stamping
Author(s) Daniel J. Branagan, Craig S. Parsons, Tad V. Machrowicz, Jonathan M. Cischke, Andrew E. Frerichs, Brian E. Meacham, Sheng Cheng, Alla V. Sergueeva
On-Site Speaker (Planned) Daniel J. Branagan
Abstract Scope Extensive development of advanced high strength steel (AHSS) over the past decade is driven by the demand from the automotive industry for stronger materials that can enable lightweighting to meet increasing fuel efficiency requirements. However, achievement of higher strength in many AHSS grades comes with reduction in ductility and formability. This reduction in cold formability diminishes the benefits of AHSS resulting in constraints, limiting geometric complexity and the ability to lightweight while maintaining stiffness through geometric design. NanoSteel 3rd Generation AHSS overcomes this trade-off in ductility due to structural changes through a novel complex mechanism leading to material strengthening during metal stamping while retaining a significant ductility for energy absorption during a crash event. The specific characteristics of this mechanism will be detailed in this presentation including structure and property evolution during stamping as well as non-destructive approaches to model and predict yield strength values in actual stampings.
Proceedings Inclusion? Definite: At-meeting proceedings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3rd Generation AHSS by Thin Slab Technology
Approach for Developing Ultra High Strength Fastener Steel for Automotive Application
Correlation between EBSD Quantification and Dilatometry Examination of an X70 Steel
Creation of Wearproof Eutecticum Composition Materials for the Details of the High Temperature Dynamic Systems
Effect of Ni Content on Impact Toughness in Tempered Matensitic Steels
Effect of Retained Austenite Control with Multi-step Heat treatment on the Microstructure Evolution and Mechanical Properties of Direct Quenched High Hardness Armor (HHA) Steel
Effect of Strain Rate on the Columnar to Equiaxed Transition in an As-cast Medium Carbon Low Alloy Steel during Hot Deformation
Effect of Yttrium-based Rare Earth on the Microstructure and Impact Toughness of E36 Shipbuilding Steel
Evolution of Microstructure and Mechanical Properties during Conventional and Ultra-fast Heating of a Low Carbon Steel: The Effect of Soaking Time
Hydrogen Uptake and Its Effect on Mechanical and Fracture Behavior of Ultra-high Strength Press-hardened Steels
Microstructure and Mechanical Properties of Intercritical Annealed 7 Mn Steels with Additional Warm-rolling
P3-82: Development of Copper Strengthened 0.2%C Low Alloyed Steel
P3-83: Nucleation of Graphite Particles Formed in Medium Carbon Steel after Graphitising Anneal
P3-84: Optimizations of Submerged Entry Nozzle in a Steel Slab Continuous Casting Mold
Steel-copper Nano Composited Materials
Strengthening of 3rd Generation AHSS during Cold Stamping
Stronger than Titanium, Lighter than Aluminum, Stops Blast/Bullets: Readily Weldable 1500-2000MPa Armor Technology for Lightweight Structure and Stampings

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