i

Title of the course

MM 624: Advanced Concepts in Steel Making

ii

Credit structure

L          T          P          C

3           0          0           6

iii

Pre-requisite, if any

None

iv

Course content

Review of thermo : solutions, change of standard states, activity interaction parameters. Reactor models : CSTR and plug flow reactors, residence time distributions; Structure and thermodynamics of slags.C-O, Si-O, Mn-O reactions, reactions of S and P, sulphide and phosphate capacities. Oxygen steelmaking : design parameters for vessel and lance, material and heat balances. Process dynamics, static dynamic and process models, process control. Electric arc furnace : reaction mechanisms, material and heat balances, equipment design principles.Ladle metallurgy; Deoxidation : thermodynamic and kinetic analysis, inclusion shape control. Secondary and alloy steel making: thermo- and kinetic analysis, model building.Continuous casting: solidification mechanisms and structure, fluid flow and heat transfer in tundish and strand, physical and mathematical models, understanding defects, recent developments.Refractories and phase diagrams.

v

Texts/References

Making, Shaping and Treating of Steel, Vol.1: Ironmaking, 11th Ed., AISE Steel Foundation, 1999.A. Ghosh and A. Chatterji, Ironmaking and Steelmaking : Theory and Practice, Prentice- Hall (India), 2008.F.D. Richardson : Physical Chemistry of Melts in Metallurgy, Academic Press, 1974.T.A. Engh, Principles of Metal Refining, Oxford Univ. Press, 1992.

vi

Instructor(s) name

Prof. Somnath Basu