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Meeting Materials Science & Technology 2019
Symposium Thermomechanical Processing in Shaping and Forming of Steels
Presentation Title Yield Strength Improvement in 3rd Generation AHSS Through Warm Rolling
Author(s) Alla V. Sergueeva, Andrew E. Frerichs, Brian E. Meacham, Sheng Cheng, Daniel J. Branagan
On-Site Speaker (Planned) Alla V. Sergueeva
Abstract Scope Utilizing 3rd Generation AHSS for structural applications in automobiles offers the promise of lightweighting due to enhanced strength enabling gauge reduction of structural components. However, increasing strength, including yield strength, often comes with commensurate decreases in ductility, formability, and toughness, leading to geometric constraints on part design and limitations in their application. Significant increase in yield strength may be obtained in NanoSteel 3rd Generation AHSS through altered processing of the sheet involving a rolling reduction at intermediate temperatures with the result of maintaining ductility, formability, and toughness. This warm rolling strategy can be applied to either the hot band or cold band condition depending on the targeted applications and end user requirements. In this presentation, the warm rolling effect on structure, properties, and deformation mechanisms of NanoSteel 3rd Generation AHSS will be demonstrated.


Characterizing Longitudinal Defects in Steel Continuous Casting
Deformation Behavior of Non-metallic Inclusions during the Hot Torsion Process of Carbon Steel
Effect of Thermomechanical Strategy and Mo-Nb-B Alloying Additions on High Strength Medium Carbon Q/Q&T Steels
Effect of Vanadium and Aluminum Grain Refining Treatment on Steel Machinability
Effects of Thermomechanical Processing, Microalloying, and Rapid Heat Treatment on Microstructural Development, Carbonitride Precipitation, and Mechanical Behavior of Medium Carbon Steels
Evolution of Inclusions in Solid Steel during Reheating Process
Ferrite and Bainite Transformation from Austenite Grain Boundary in 0.6 wt.% C Steel
Formation of Polygonized Structures and Nuclear Recrystallization under Controlled Rolling of Low-carbon Steels
Some Aspects of Industrial Thermomechanical Processing of Steels
Yield Strength Improvement in 3rd Generation AHSS Through Warm Rolling

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