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Meeting MS&T21: Materials Science & Technology
Symposium Advances in Ferrous Metallurgy
Presentation Title Radiative Properties of Al-Si Coated 22MnB5 Steel
Author(s) Cameron Klassen, Boxuan Zhao, Kyle Daun
On-Site Speaker (Planned) Cameron Klassen
Abstract Scope Hot stamping of aluminum-silicon (Al-Si) coated 22MnB5 steel blanks is used to produce light and crashworthy vehicle components. Accurate blank heating models are needed to maximize production rates while ensuring the parts are sufficiently austenitized. The heat absorption of the blanks is governed by their radiative properties, which evolve as the Al-Si coating liquefies and transforms into a rough intermetallic layer. However, the connection between surface morphology and radiative properties is poorly understood. This paper presents in-situ emissivity measurements obtained using a Fourier-transform infrared reflectometer equipped with a heated measurement stage, which are compared to ex-situ reflectometer measurements for samples heated in a muffle furnace and quenched at intermediate times, as well as optical roughness profilometry and scanning electron microscope images. The results elucidate the evolving surface characteristics of the steel and provide valuable insight to hot stamping practitioners.


3D Non-destructive Characterization of Texture Evolution in Electrical Steels with Lab-based Diffraction Contrast Tomography
Cost Modeling and Life Cycle Analysis of Low-Emissions Iron Production
Development of Fine Grained Steel for Cold Heading Application
Effect of Alloying Content on Fractional Softening Behavior and Microstructural Evolution During Double-twist Torsion Testing of Microalloyed Steels
Effect of CO2 Injection into Blast Furnace Tuyeres on Smelting Parameters
Evaluation of Different Austenitization Sub-Models for 22MnB5 Steel Using Bayesian Model Selection Technique
High Strength Low Alloy Steels strengthened by Heusler precipitates
Hole Expansion Performance of Three High Strength Steels: Observation of Room Temperature Strain Ageing Phenomena
Impact of Alloy Composition on the Hot Ductility of Steel during Continuous Casting
New Roll Alloys Concepts Using in Finishing Stands of Rebar Rolling
Radiative Properties of Al-Si Coated 22MnB5 Steel
Reducing the Effects of Texture on Phase Fraction Measurement of Retained Austenite Using X-ray Diffraction
Research on the Phosphate Capacity of CaO-FeO-MgO-SiO2-MnO-TiO2-V2O5-P2O5 Slags
Structure Optimizations of Submerged Entry Nozzle in a Steel Slab Continuous Casting Mold
Studying Processing – Microstructure – Mechanical Property Correlation in a Multi-phase Advanced High Strength Steel
The Effect of Energy-power Parameters of Hot Rolling on Structure and Properties of Low Alloyed Steels
The Study and Optimization of Calcium Flux for Self-fluxed Pellets
Thermodynamics and Kinetics of Coke Breeze Combustion Under Different Oxygen Content in Sintering Process

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