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Meeting 2024 TMS Annual Meeting & Exhibition
Symposium Formability and Spring-back Issues in Ultra-high Strength Steels and High Strength Aluminum Alloys
Presentation Title Hot Stamping of Third Generation Advanced High Strength Steels
Author(s) Abdelbaset Midawi, Cameron Tolton, Timothy Skszek, Clifford Butcher, Michael Worswick
On-Site Speaker (Planned) Michael Worswick
Abstract Scope The hot stamping of third generation Advanced High Strength Steels (Gen3 AHSS) is considred, using a quench and partition (Q&P) hot stamping process route. Gen3 grades offer a good combination of strength and ductility due to the different micro-constituents inherent in the as-received microstructure; however, room temperature forming requires high press tonnage, results in high springback and potentially consumes part of or all of the retained austenite-to-martensite reaction, leaving little work hardening for crash energy absorption. Forming at high temperatures offers the potential to reduce press tonnage requirements; however, will impose phase transformation within the final product, resulting in differing microstructures and changes in mechanical properties (strength, bendability, and ductility). The Q&P hot stamping process is applied to maintain or recover the as-received microstructure. The influence of peak temperature, holding time at peak temperature, quenching temperature, and partitioning temperature on the final microstructure and mechanical properties was investigated.
Proceedings Inclusion? Planned:
Keywords Shaping and Forming, Iron and Steel


A Investigation of the Bendability of Friction-stir Processed Aluminum 7075 & 6111 Alloys and Its Effect on Formability
Anisotropic Fracture of Mild and Advanced High Strength Steel in Non-linear Strain Paths
Dimensional Control in Flexible Fabrication of Sheet Metals for Automotive Applications
Hot Stamping of Third Generation Advanced High Strength Steels
Hybrid Bead Development and Validation; Auto Steel Partnership
Influence of Yoshida-Uemori Model on Springback Prediction
Microstructure and Mechanical Properties According to Heat Treatment of High Tensile Strength Steel Alloy
On Local Formability of Multi-phase Ultra-high-strength Steels
Retrogression Forming and Reaging for Forming and Joining AA7075-T6 Sheet
Roller Bending/Unbending Process for Improving the Local Mechanical Properties of Aluminum Sheets
The “Next Era in Stamping Technology” (NEST), The Fundamentals of a Hybrid Stamping Technology

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