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Title of Journal: Metall and Materi Trans B

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Abbravation: Metallurgical and Materials Transactions B

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Springer US

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DOI

10.1007/bf01229560

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1543-1916

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Measuring Mechanical Behavior of Steel During Soli

Authors: Matthew Rowan Brian G Thomas Robert Pierer Christian Bernhard
Publish Date: 2011/05/07
Volume: 42, Issue: 4, Pages: 837-851
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Abstract

The submerged split chill contraction SSCC test can measure forces in a solidifying steel shell under controlled conditions that match those of commercial casting processes A computational model of this test is developed and applied to increase understanding of the thermalmechanical behavior during the initial solidification of steel Determining the stress profile is difficult because of the complicated geometry of the experimental apparatus and the nonuniform temperature and strength across the shell The twodimensional axisymmetric elasticviscoplastic finiteelement model of the SSCC test features different mechanical properties and constitutive equations for deltaferrite and austenite that are functions of both the temperature and the strain rate The model successfully matches measurements of 1 temperature history 2 shell thickness 3 solidification force and 4 failure location In addition the model reveals the stress and strain profiles through the shell and explains what the experiment is actually measuring In addition to the strength of the shell the measured force is governed by the strength of the junction between the upper and lower test pieces and depends on friction at the shell–cylinder interface The SSCC test and the validated model together are a powerful analysis tool for mechanical behavior hot tear crack formation and other phenomena in solidification processes such as continuous casting

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  2. Morphological Changes of Panzhihua Ilmenite During Oxidation Treatment
  3. A Thermodynamic Model of Sulfur Distribution Ratio between CaO–SiO 2 –MgO–FeO–MnO–Al 2 O 3 Slags and Molten Steel during LF Refining Process Based on the Ion and Molecule Coexistence Theory
  4. Melting Mechanism of Water-Cooled Billet-Type Bottom Electrode of Direct Current Arc Furnace: A Numerical Approach
  5. Laboratory Carburization of Direct-Reduced Iron in CH 4 -H 2 -N 2 Gas Mixtures, and Comparison with Industrial Samples
  6. Predicting the Effect of Pouring Temperature on the Crystallite Density, Remelting, and Crystal Growth Kinetics in the Solidification of Aluminum Alloys
  7. A Critical Review of the Modified Froude Number in Ladle Metallurgy
  8. A Framework for Soft Sensing of Liquid Pool Length of Continuous Casting Round Blooms
  9. Conditions for the Efficient Crushing of the As-Cast Microstructure of 30Cr10Ni Duplex Stainless Steel
  10. Coating tungsten composites for improved low temperature ductility
  11. Vaporization Studies from Slag Surfaces Using a Thin Film Technique
  12. Analysis of Microstructure Effects on Edge Crack of Thin Strip During Cold Rolling
  13. Separation of Phosphorus- and Iron-Enriched Phase from CaO-SiO 2 -FeO-MgO-P 2 O 5 Melt with Super Gravity
  14. A Study for Initial Solidification of Sn-Pb Alloy during Continuous Casting: Part I. The Development of the Technique
  15. An investigation of the validity of certain tempering parameters
  16. Chemical diffusion in the β phase of the Zr-Ti alloy system
  17. Morphology Control for Al 2 O 3 Inclusion Without Ca Treatment in High-Aluminum Steel
  18. A Semi-empirical Mathematical Model to Estimate the Duration of the Atmosphere within a Double Oxide Film Defect in Pure Aluminum Alloy
  19. Thermal Conductivity of Molten Silicate of Al 2 O 3 -CaO-Na 2 O-SiO 2 Measured by Means of a Front Heating-Front Detection Laser Flash Method
  20. New integration of the Gibbs-Duhem equation and thermodynamics of Pr-Zn alloys
  21. Influence of Turbulent Flows in the Nozzle on Melt Flow Within a Slab Mold and Stability of the Metal–Flux Interface
  22. Freeze-Lining Formation of a Synthetic Lead Slag: Part II. Thermal History
  23. Preparation and Thermal Stability of Ultrafine Nickel Powders Containing hcp-Ni Nanocrystallites Using Liquid-Phase Reduction Method
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