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Meeting Materials Science & Technology 2017
Symposium Shaping & Forming of Advanced High Strength Steels II
Organizer(s) Kester Clarke, Colorado School of Mines
Tyson W. Brown, General Motors Corporation
Myoung-Gyu Lee, Korea University
Amy J Clarke, Colorado School of Mines
Kip O. Findley, Colorado School of Mines
Mark R. Stoudt, National Institute of Standards and Technology
Scope The need to improve fuel economy through reductions in vehicle weight has created a global demand for advanced high strength steels. Recent advances in computational alloy design methods and microstructural development during processing have produced several new classes of steel alloys that demonstrate excellent combinations of properties. Many of these new alloys contain complicated metastable phases that are able to transform during deformation, (e.g., transformation-induced plasticity (TRIP) steels), and as such, often exhibit novel temperature and strain path-dependent behavior. Property data and constitutive relationships that accurately describe the mechanical behavior of alloys with complex microstructures are needed to improve the reliability of numerical formability models. The current inability to consistently predict the mechanical response of these alloys under the complex loading generated during sheet metal forming creates significant obstacles that impede the widespread incorporation of these steels.

The main objective of this symposium is to provide a high-level scientific forum that spotlights the numerous advances in the experimental and computational methods used for constitutive analyses and improves our knowledge of the mechanical and metallurgical responses of advanced high strength steels to complex sheet forming processes. This includes increasing our understanding of the relationships between complex microstructures and mechanical behavior, as well as the relative influences of strain path and temperature on formability and failure.

Abstracts are requested in the following general topic areas relating to advanced high strength steels: enhanced mechanical property measurement methods including advanced in-situ technique development; characterization of phase transformations and deformation mechanisms in multiphase microstructures during forming; theory and modeling related to the mechanical properties; deformation simulations, forming processes, friction and springback; multi-scale mechanical testing; integration of scientific knowledge with manufacturing practices; and development of accurate constitutive relationships.
Abstracts Due 03/31/2017
Proceedings Plan Undecided

A Design of Experiments Approach for Determining Sensitivities of various Forming Limit Analyses Techniques to changes in Experimental Parameters
Bridging the Gap Between Advanced Sheet Steel Product Development and Successful Implementation of These Products in Automotive Body Structures
Complex Anisotropy of Advanced-high Strength Steels
Computational design of steel chemistries
Constitutive Study and Modelling of High Temperature Flow Stress for YQ450NQR1 High Strength Micro-alloyed Steel Containing Vanadium
Data-Driven Approaches for Predicting Fatigue Strength of Steels
Deformation and damage micro-mechanisms in complex strain-paths: A novel quasi-in-situ mapping approach
Effects of Texture and Austenite Transformation on Mechanical Anisotropy during Uniaxial Tensile Deformation of TRIP-Assisted Sheet Steels
Joining of double sheet metal blanks using deep drawing and springback behavior
Key Factors Governing Stretch-Flangeability of Sheet Metals
Linking Microstructural Changes during Tempering to Enhanced Edge Stretchability in Dual Phase Steels
Modeling springback with a multi-surface approach for nonlinear unloading-reloading behavior of sheet metal
Robust CAE Modeling of Retained Austenite-Containing GEN3 Steels
Texture Induced Systematic Bias Errors in Phase Fraction Measurements
The chaind-die forming of AHSS
The Fracture Resistance of Dual-Phase and Q&P Sheet Steels in Tension
The influence of microstructure on the mechanical behavior of quench and partition steels

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